3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2); $test = '{{$the}}'; $the = 'var'; $theVar = preg_match('/({{\$(.*)}})/',$test,$matches); var_dump($matches[2]); echo ${$matches[2]};
based on GWKdC
Output for 4.3.0 - 7.2.0
string(3) "the" var