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run code in 150+ php & hhvm versions
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<?php function array_only($array, $keys) { return array_intersect_key($array, array_flip((array) $keys)); } $array= array('title'=>'fuck','shit'=>'lol'); print_r(array_only($array,'shit'));
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [shit] => lol )
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/iNfvg on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/iNfvg on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/iNfvg on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/iNfvg on line 4