Online PHP editor | output for 0oWi4

@ 2014-01-26T16:35:35Z

<?php

$torrent = 'd8:announce37:http://blender.waag.org:6969/announce13:creation datei1212070099e4:infod6:lengthi196898674e4:name30:big_buck_bunny_720p_stereo.ogg12:piece lengthi262144e6:pieces15040:DñÀsÑ45/';

$regex = "/lengthi([0-9]+)e/i";

$sizes = array();

preg_replace_callback($regex, function($matches) use(&$sizes)
{

    $sizes[] = $matches[1];
}, $torrent);

var_dump($sizes); // I want to get "262144", you can see this just before "pieces", top right

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: array(2) { [0]=> string(9) "196898674" [1]=> string(6) "262144" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/0oWi4 on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/0oWi4 on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/0oWi4 on line 9
Process exited with code 255.

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