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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"); $intersect = array_intersect_keys(array_combine($numbers, $numbers), array_fill_keys(range(1, 80), null)); ksort($intersect); var_dump($intersect);
based on mHQBQ
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function array_intersect_keys() in /in/UEKrE:4 Stack trace: #0 {main} thrown in /in/UEKrE 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/UEKrE on line 4
Process exited with code 255.