The data: (» RFC 2397) stream wrapper is available since PHP 5.2.0.
Example #1 Print data:// contents
<?php// prints "I love PHP"echo file_get_contents('data://text/plain;base64,SSBsb3ZlIFBIUAo=');?>
Example #2 Fetch the media type
<?php$fp = fopen('data://text/plain;base64,', 'r');$meta = stream_get_meta_data($fp);// prints "text/plain"echo $meta['mediatype'];?>