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run code in 200+ php & hhvm versions
Bugs & Features
<?php $keys = array(1,2,3,6,9); //note that 9 does not exist as key in the $values array $values = array('000', '001', '002', '003', '004', '005', '006', '007'); $data = array_intersect_key($values, array_flip($keys)); var_dump($data);
Output for 5.1.0 - 7.2.0
array(4) { [1]=> string(3) "001" [2]=> string(3) "002" [3]=> string(3) "003" [6]=> string(3) "006" }
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/HuqSj 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/HuqSj 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/HuqSj 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/HuqSj on line 4