3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $numbers = array("1","3","5","6","12","13","15","20","24","28","32","33","34","42","47","49","50","54","59","79"); $intersect = array_intersect_keys(array_fill_keys(array_diff(range(1, 80), $numbers), null), $numbers); ksort($intersect); var_dump($intersect);
based on Y4ulo
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function array_intersect_keys() in /in/H0pVb:4 Stack trace: #0 {main} thrown in /in/H0pVb on line 4
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Fatal error: Call to undefined function array_intersect_keys() in /in/H0pVb on line 4
Process exited with code 255.