- var_dump: documentation ( source)
- preg_replace_callback: documentation ( source)
<?php
$x = function($m){ return $this->waa();};
class x
{
function __construct($x){ var_dump(preg_replace_callback('~.~', $x, 'wazaa')); }
function waa(){ return 'meukee'; }
}
new x($x);