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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('a' => 123, 'b' => 213, 'c' => 321); $allowed = array('b', 'c'); print_r(array_intersect_key($arr, array_flip($allowed)));
Output for 5.1.0 - 7.1.0
Array ( [b] => 213 [c] => 321 )
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/8fkXk on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/8fkXk on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/8fkXk on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/8fkXk on line 5