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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(0,3,4); $b = array("A","B","C","D","E"); $c = array_intersect_key($b, array_flip($a));
Output for 5.1.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/uPGO5 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/uPGO5 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/uPGO5 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/uPGO5 on line 5