3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $defaults = array('hi'=>1, 'hi2'=>2); $args = array('hi'=>11, 'this'=>33); $args += $defaults; extract($args); print_r($args); echo $hi, $hi2, $this;
Output for 7.1.0
Fatal error: Uncaught Error: Cannot re-assign $this in /in/qVZGn:7 Stack trace: #0 /in/qVZGn(7): extract(Array) #1 {main} thrown in /in/qVZGn on line 7
Process exited with code 255.
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
Array ( [hi] => 11 [this] => 33 [hi2] => 2 ) 11233