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Hello All 

Is there anyone who can help  regarding the error 

Here is my code 

if(isset($_POST['submit'])){

     $imagename = $_FILES["image"]["name"]; 

   $params = array('component' => 'user','filearea' => 'draft', 'itemid' => 0,'filename' => $imagename,'filepath' => '/','filecontent' => base64_encode($imagename), 'contextlevel' => 'user', 'instanceid' =>2);    

$ch = curl_init();

curl_setopt($ch, CURLOPT_HEADER, 0); 

curl_setopt($ch, CURLOPT_VERBOSE, 0); 

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

curl_setopt($ch, CURLOPT_URL, $url . '/webservice/rest/server.php?wstoken='.$token.'&wsfunction=core_files_upload&moodlewsrestformat=json');

curl_setopt($ch, CURLOPT_POST, true);

curl_setopt($ch, CURLOPT_POSTFIELDS, $params);

$response = curl_exec($ch);

$result=json_decode($response, true);

//echo $result['itemid'];

//print_r($result);

$params2 = array( 'draftitemid' => $result['itemid'],'userid' => 385217);

$ch2 = curl_init(); 

curl_setopt($ch2, CURLOPT_HEADER, 0);

curl_setopt($ch2, CURLOPT_VERBOSE, 0); 

curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true);

curl_setopt($ch2, CURLOPT_URL, $url . '/webservice/rest/server.php?wstoken='.$token.'&wsfunction=core_user_update_picture&moodlewsrestformat=json');

curl_setopt($ch2, CURLOPT_POST, true);

curl_setopt($ch2, CURLOPT_POSTFIELDS, $params2);

$response2 = curl_exec($ch2);

print_r($response2);

 }

Output showing this 
{"success":false,"warnings":[]}

Thanks 
Deepak