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<?php $a = array('a','b','c','d','e'); function arrayFlip($a) { $b = array_flip($a); var_dump(isset($a['a'])); } function inArray($a) { var_dump(in_array(1,$a)); } in_array($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught ArgumentCountError: in_array() expects at least 2 arguments, 1 given in /in/4eEd5:13 Stack trace: #0 /in/4eEd5(13): in_array(Array) #1 {main} thrown in /in/4eEd5 on line 13
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: in_array() expects at least 2 parameters, 1 given in /in/4eEd5 on line 13
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Wrong parameter count for in_array() in /in/4eEd5 on line 13

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