3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a=array("red","green"); array_push($a , "\xF0\x9F\x94\x99"); print_r($a); ?>
based on KlYW4
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
Array ( [0] => red [1] => green [2] => 🔙 )