3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $constant = 'AUTH_KEY'; echo preg_replace( '#(define\(.*(\'' . $constant . '\'|"' . $constant . '"),(.*))#', '/*Commented by SecuPress*/ /* $0 */', "define('AUTH_KEY', 'd.K7bRKnt/6*}rKMqbuF(yyr5?>WqUBElKrY1#XMdhlnF1K@FoVJ#8>ghm=r^?l<L,');" ) . "\n";
based on uqbdZ
Output for 5.5.0 - 7.3.0beta1
/*Commented by SecuPress*/ /* define('AUTH_KEY', 'd.K7bRKnt/6*}rKMqbuF(yyr5?>WqUBElKrY1#XMdhlnF1K@FoVJ#8>ghm=r^?l<L,'); */