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<?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);
Output for git.master, git.master_jit, rfc.property-hooks
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.

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