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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array_key( array('photo' => 'foo.jpeg', 'audio' => 'bar.mp3') ); $b = array('photo', 'audio', 'video'); var_dump(array_values(array_merge(array_diff($b, $a), array_diff($a, $b))));
based on vvnNo
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function array_key() in /in/ahrr9:2 Stack trace: #0 {main} thrown in /in/ahrr9 on line 2
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Fatal error: Call to undefined function array_key() in /in/ahrr9 on line 2
Process exited with code 255.