3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "<derp>"; $words = array(); $words[] = &$string; $string = substr($string, 1); $string = substr($string, 0, -1); var_dump($words);
Output for 4.3.0 - 5.6.23, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { [0]=> &string(4) "derp" }