3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php // your code goes here $html = '<body link="#0066FF" vlink="#6633CC" bgcolor="#4CDCFF" style=\'margin:0\'>'; echo preg_replace('#<body link="\#[a-zA-Z0-9]+" vlink="\#[a-zA-Z0-9]+" bgcolor="\#[a-zA-Z0-9]+" style=\'margin:0\'>#', $head, $html);
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: head in /in/IPt5m on line 7
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: head in /in/IPt5m on line 7