Hi,
I got a moodle instance with about 30 users active in parallel.
mod/quiz/attempt.php is extremely slow.
when navigating , it hangs for 4.71 in TTFB.
The whole page takes 9.34 to be loaded.
I use php 7.1.10 with 8 CPUs.
I record what takes so long, and here are the result (each line represents 0.1 seconds):
Array
(
[1509342840.100000] => main()==>require_login==>get_fast_modinfo==>course_modinfo::instance==>course_modinfo::__construct==>cache_application::get==>cache::get==>cachestore_redis::get==>Redis::hGet
[1509342840.200000] => main()==>require_login==>get_fast_modinfo==>course_modinfo::instance==>course_modinfo::__construct==>context_helper::preload_course==>context::get_child_contexts==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT ctx.*
FROM mdl_context ctx
WHERE ctx.path LIKE '/1/3/795/%'
[1509342840.300000] => main()==>require_login==>get_fast_modinfo==>course_modinfo::instance==>course_modinfo::__construct==>context_helper::preload_course==>context::get_child_contexts==>context::create_instance_from_record==>context::cache_add==>context::__get
[1509342840.400000] => main()==>require_login==>get_fast_modinfo==>course_modinfo::instance==>course_modinfo::__construct==>context_helper::preload_course==>context::get_child_contexts==>context::create_instance_from_record==>context::cache_add
[1509342840.500000] => main()==>require_login==>get_fast_modinfo==>course_modinfo::instance==>course_modinfo::__construct==>context_helper::preload_course==>context::get_child_contexts==>context::create_instance_from_record==>context::cache_add
[1509342840.600000] => main()==>require_login==>get_fast_modinfo==>course_modinfo::instance==>course_modinfo::__construct
[1509342840.700000] => main()==>require_login==>get_fast_modinfo==>course_modinfo::instance==>course_modinfo::__construct
[1509342840.800000] => main()==>require_login==>get_fast_modinfo==>course_modinfo::instance==>course_modinfo::__construct==>cm_info::__construct==>moodle_url::__construct==>parse_url
[1509342840.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance
[1509342841.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '6134'
[1509342841.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql
[1509342841.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '6777'
[1509342841.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '7203'
[1509342841.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>get_capability_info==>get_all_capabilities
[1509342841.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '8007'
[1509342841.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '8353'
[1509342841.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '9387'
[1509342841.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '9926'
[1509342841.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '10494'
[1509342842.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '10865'
[1509342842.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '11205'
[1509342842.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '11561'
[1509342842.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '11920'
[1509342842.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '12141'
[1509342842.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>moodle_url::out==>moodle_url::raw_out==>moodle_url::out_omit_querystring
[1509342842.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities
[1509342842.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>get_capability_info==>get_all_capabilities==>cache::make
[1509342842.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '13715'
[1509342842.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>array_change_key_case
[1509342843.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>get_capability_info==>get_all_capabilities==>cache::make==>cache_factory::create_cache_from_definition
[1509342843.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>is_siteadmin
[1509342843.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::where_clause
[1509342843.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '15318'
[1509342843.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability
[1509342843.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '16026'
[1509342843.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '16369'
[1509342843.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql
[1509342843.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::where_clause
[1509342843.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '17328'
[1509342844.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>get_capability_info==>get_all_capabilities
[1509342844.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context
[1509342844.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>get_capability_info==>get_all_capabilities==>cache_application::get==>cache::get
[1509342844.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '18757'
[1509342844.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '19014'
[1509342844.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_on_click==>cm_info::obtain_dynamic_data==>course_modinfo::get_user_id
[1509342844.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>get_capability_info==>get_all_capabilities==>cache::make==>cache_factory::create_cache_from_definition==>cache::set_identifiers
[1509342844.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '19978'
[1509342844.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>get_capability_info==>get_all_capabilities==>cache::make
[1509342844.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::where_clause
[1509342845.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::where_clause==>debugging
[1509342845.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '21175'
[1509342845.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>get_capability_info
[1509342845.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>moodle_url::out==>moodle_url::raw_out==>moodle_url::out_omit_querystring
[1509342845.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>moodle_url::out
[1509342845.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability
[1509342845.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible
[1509342845.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '22946'
[1509342845.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '23225'
[1509342845.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::where_clause
[1509342846.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>section_info::__get
[1509342846.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get
[1509342846.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '24470'
[1509342846.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>moodle_url::out==>moodle_url::raw_out==>moodle_url::out_omit_querystring
[1509342846.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>load_course_context
[1509342846.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '25336'
[1509342846.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>has_capability_in_accessdata
[1509342846.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>moodle_database::fix_sql_params
[1509342846.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '26267'
[1509342846.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities
[1509342847.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '26828'
[1509342847.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>get_capability_info
[1509342847.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql
[1509342847.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>context::cache_add
[1509342847.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>has_capability==>get_capability_info==>get_all_capabilities==>cache::make==>cache_factory::create_cache_from_definition
[1509342847.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>get_capability_info==>get_all_capabilities==>cache_application::get
[1509342847.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>cm_info::get_context==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND insta!
nceid = '28670'
[1509342847.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities
[1509342847.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::generate_sections_and_activities==>cm_info::__get==>cm_info::get_name==>cm_info::obtain_dynamic_data==>cm_info::update_user_visible==>cm_info::is_user_access_restricted_by_capability==>get_capability_info==>get_all_capabilities==>cache_application::get==>cache::get
[1509342847.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>moodle_database::fix_sql_params==>moodle_database::fix_table_names==>preg_replace
[1509342848.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '6355'
[1509342848.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '6740'
[1509342848.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '7125'
[1509342848.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '7380'
[1509342848.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '7785'
[1509342848.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '8147'
[1509342848.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '9181'
[1509342848.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '9787'
[1509342848.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '10408'
[1509342848.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities
[1509342849.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql
[1509342849.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '11556'
[1509342849.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '11972'
[1509342849.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli_result::fetch_assoc
[1509342849.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '12781'
[1509342849.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '13101'
[1509342849.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record
[1509342849.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '13910'
[1509342849.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '14314'
[1509342849.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::where_clause
[1509342850.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>navigation_node::add==>navigation_node::create==>navigation_node::__construct
[1509342850.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '15392'
[1509342850.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '15799'
[1509342850.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>navigation_node::add==>navigation_node::add_node==>navigation_node_collection::add
[1509342850.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '16573'
[1509342850.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>moodle_database::fix_sql_params==>moodle_database::detect_objects
[1509342850.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '17234'
[1509342850.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>format_string
[1509342850.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '18029'
[1509342850.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '18361'
[1509342851.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '18792'
[1509342851.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record
[1509342851.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql
[1509342851.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>navigation_node::add==>navigation_node::create
[1509342851.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>format_string
[1509342851.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '20549'
[1509342851.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '20892'
[1509342851.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '21248'
[1509342851.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>context_module::__construct
[1509342851.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select
[1509342852.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli_native_moodle_database::emulate_bound_params==>array_reverse
[1509342852.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance
[1509342852.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '22838'
[1509342852.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '23186'
[1509342852.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>moodle_database::fix_sql_params==>preg_match_all
[1509342852.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '23755'
[1509342852.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>moodle_database::fix_sql_params==>preg_match_all
[1509342852.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::where_clause==>debugging
[1509342852.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '24810'
[1509342852.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>moodle_database::query_start
[1509342853.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::where_clause
[1509342853.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '25746'
[1509342853.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '26095'
[1509342853.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '26449'
[1509342853.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '26800'
[1509342853.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>navigation_node::add==>navigation_node::add_node==>navigation_node_collection::add==>array_key_exists
[1509342853.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '27348'
[1509342853.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>moodle_url::__construct==>parse_url
[1509342853.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>get_string==>strpos
[1509342853.900000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '28373'
[1509342854.000000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>context_module::instance==>moodle_database::get_record==>moodle_database::get_record_select==>moodle_database::get_record_sql==>mysqli_native_moodle_database::get_records_sql==>mysqli::query#SELECT * FROM mdl_context WHERE contextlevel = '70' AND instanceid = '28729'
[1509342854.100000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities==>navigation_node::add==>navigation_node::create==>navigation_node::__construct==>navigation_node::check_if_active==>moodle_url::compare==>moodle_url::out_omit_querystring
[1509342854.200000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>global_navigation::load_course_sections==>format_weeks::extend_course_navigation==>format_base::extend_course_navigation==>global_navigation::load_generic_course_sections==>global_navigation::load_section_activities
[1509342854.300000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>navigation_node::contains_active_node==>navigation_node::contains_active_node@1==>navigation_node::contains_active_node@2==>navigation_node::contains_active_node@3==>navigation_node::contains_active_node@4==>navigation_node_collection::getIterator
[1509342854.400000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>global_navigation::initialise==>navigation_node::contains_active_node==>navigation_node::contains_active_node@1==>navigation_node::contains_active_node@2==>navigation_node::contains_active_node@3
[1509342854.500000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>navigation_node::contains_active_node==>navigation_node::contains_active_node@1==>navigation_node::contains_active_node@2==>navigation_node::contains_active_node@3==>navigation_node::contains_active_node@4==>navigation_node_collection::getIterator
[1509342854.600000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navbar::has_items==>navigation_node::contains_active_node==>navigation_node::contains_active_node@1==>navigation_node::contains_active_node@2==>navigation_node::contains_active_node@3
[1509342854.700000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navigation_node::find_active_node==>navigation_node::find_active_node@1==>navigation_node::find_active_node@2==>navigation_node::find_active_node@3==>navigation_node::find_active_node@4==>navigation_node_collection::getIterator
[1509342854.800000] => main()==>mod_quiz_renderer::attempt_page==>plugin_renderer_base::header==>plugin_renderer_base::__call==>core_renderer::header==>core_renderer::render_page_layout==>core_renderer::full_header==>theme_bootstrapbase_core_renderer::navbar==>navbar::get_items==>navigation_node::find_active_node==>navigation_node::find_active_node@1==>navigation_node::find_active_node@2==>navigation_node::find_active_node@3==>navigation_node::find_active_node@4
[1509342854.900000] => main()==>mod_quiz_renderer::attempt_page==>mod_quiz_renderer::attempt_form==>quiz_attempt::render_question==>quiz_attempt::render_question_helper==>question_usage_by_activity::render_question==>question_attempt::render==>question_behaviour::render==>core_question_renderer::question==>core_question_renderer::info==>core_question_renderer::number==>get_string==>core_string_manager_standard::get_string==>core_string_manager_standard::load_component_strings==>core_string_manager_standard::get_key_suffix
)
what is the problem with my moodle instance/server.
Help is required.
Thanks!