A callback function for the notification context parameter
Syntax
stream_notification_callback ( int $notification_code , int $severity , string $message , int $message_code , int $bytes_transferred , int $bytes_max ) : void
Parameters
notification_code
One of the STREAM_NOTIFY_* notification constants.
severity
One of the STREAM_NOTIFY_SEVERITY_* notification constants.
message
Passed if a descriptive message is available for the event.
message_code
Passed if a descriptive message code is available for the event.
The meaning of this value is dependent on the specific wrapper in use.
bytes_transferred
If applicable, the bytes_transferred will be populated.
bytes_max
If applicable, the bytes_max will be populated.
Return
No value is returned.
Examples
<?
function stream_notification_callback($notification_code, $severity, $message, $message_code, $bytes_transferred, $bytes_max)
{
switch($notification_code)
{
case STREAM_NOTIFY_RESOLVE:
case STREAM_NOTIFY_AUTH_REQUIRED:
case STREAM_NOTIFY_COMPLETED:
case STREAM_NOTIFY_FAILURE:
case STREAM_NOTIFY_AUTH_RESULT:
var_dump($notification_code, $severity, $message, $message_code, $bytes_transferred, $bytes_max);
break;
case STREAM_NOTIFY_CONNECT:
echo "connect";
break;
case STREAM_NOTIFY_MIME_TYPE_IS:
echo "mime type: " . $message;
break;
case STREAM_NOTIFY_FILE_SIZE_IS:
echo "file size: " . $bytes_max;
break;
case STREAM_NOTIFY_REDIRECTED:
echo "redirected: " . $message . "\n";
break;
case STREAM_NOTIFY_PROGRESS:
echo "progress: " . $bytes_transferred;
break;
}
echo "\n";
}
$stream_or_context = stream_context_create();
$params = array("notification" => "stream_notification_callback");
stream_context_set_params($stream_or_context, $params);
$filename = "http://osbo.com/";
$use_include_path = false;
file_get_contents($filename, $use_include_path, $stream_or_context);
?>
connect mime type: text/html file size: 707 redirected: https://osbo.com/ connect mime type: text/html; charset=UTF-8 progress: 0 progress: 0 progress: 8192 progress: 14994 progress: 23186 progress: 31378 progress: 39570 progress: 47762 progress: 55954 progress: 64146 progress: 72338 progress: 80530 progress: 88722 progress: 96914 progress: 105106 progress: 113298 progress: 121490 progress: 129682 progress: 137874 progress: 146066 progress: 148918 progress: 148923
