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Bugs & Features
<?php $a = array(15 => '', 16 => true); var_dump(array_key_exist(15, $a)); var_dump(isset($a[15])); var_dump(array_key_exist(16, $a)); var_dump(isset($a[16]));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function array_key_exist() in /in/MErR4:3 Stack trace: #0 {main} thrown in /in/MErR4 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Call to undefined function array_key_exist() in /in/MErR4 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_key_exist() in /in/MErR4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_key_exist() in /in/MErR4 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_key_exist() in /in/MErR4 on line 3