3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2); $test = '{{$the}}'; $the = 'var'; $theVar = preg_match('/({{\$(.*)}})/', '${2}', $test); echo $theVar; echo ${$theVar};
based on LkAp8
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0 Notice: Undefined variable: 0 in /in/MmqNj on line 8
Output for 4.3.0 - 5.0.3
0 Notice: Undefined variable: 0 in /in/MmqNj on line 8