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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('x' => 1, 'y' => 2, 'z' => 3, 'a' => 4, 'b' => 4); $b = array('x', 'z', 'a'); $result = array_intersect_key($a, array_fill_keys($b, 1)); print_r($result);
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [x] => 1 [z] => 3 [a] => 4 )
Output for 5.1.0 - 5.1.6
Fatal error: Call to undefined function array_fill_keys() in /in/387kO on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/387kO on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/387kO on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/387kO on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/387kO on line 6