when i looked at the php error log it says
PHP Startup: Unable to load dynamic library 'C:\Program Files (x86)\PHP\v5.6\ext\php_Solr.dll' - %1 is not a valid Win32 application.
when i tried to install from php_solr-2.4.0-5.6-ts-vc11-x86
PHP Startup: Unable to load dynamic library 'C:\Program Files (x86)\PHP\v5.6\ext\php_solr.dll' - The specified module could not be found.