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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array[0]['somekey'] = 'bla'; isset($array[0]['somekey']['someotherkey']) ? print array_key_exists($array[0]['somekey']['someotherkey']) : print 'NOT SET';
based on TEaZe
Output for 5.0.0 - 5.0.2, 5.4.0 - 7.1.0
NOT SET
Output for 5.3.0 - 5.3.29
Warning: array_key_exists() expects exactly 2 parameters, 1 given in /in/Mq2tN on line 5
Output for 4.3.0 - 4.4.9, 5.0.3 - 5.2.17
Warning: Wrong parameter count for array_key_exists() in /in/Mq2tN on line 5