3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2); $query = 'found {{$the}}'; $the = 'var'; preg_match('/({{\$(.*)}})/',$query,$matches); var_dump($matches[2]); var_dump(${$matches[2]}); $new = preg_replace('/({{\$(.*)}})/',${$matches[2]},$query); echo $new;
based on VCNMe
Output for 4.3.0 - 7.1.0
string(3) "the" string(3) "var" found var