3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2); if (array_keys_exist('1', $a)) { echo "--------------"; }
based on NHLHP
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function array_keys_exist() in /in/bH9XT:4 Stack trace: #0 {main} thrown in /in/bH9XT on line 4
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Fatal error: Call to undefined function array_keys_exist() in /in/bH9XT on line 4
Process exited with code 255.