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<?php $newarray = array('489289', '536516', '332833', '536516'); $rockin = array( '489289' => array('536516','value1'), '332833' => array('536516'), ); foreach ($rockin as $array) { foreach ($array as $value) { if (in_array($value, $newarray)) { $newarray = array_diff($newarray, array(key($value))); break; } } } var_dump($newarray);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: key(): Argument #1 ($array) must be of type array, string given in /in/60gOJ:13 Stack trace: #0 /in/60gOJ(13): key('536516') #1 {main} thrown in /in/60gOJ 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 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: key() expects parameter 1 to be array, string given in /in/60gOJ on line 13 Warning: key() expects parameter 1 to be array, string given in /in/60gOJ on line 13 array(4) { [0]=> string(6) "489289" [1]=> string(6) "536516" [2]=> string(6) "332833" [3]=> string(6) "536516" }
Output for 4.3.2 - 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: key(): Passed variable is not an array or object in /in/60gOJ on line 13 Warning: key(): Passed variable is not an array or object in /in/60gOJ on line 13 array(4) { [0]=> string(6) "489289" [1]=> string(6) "536516" [2]=> string(6) "332833" [3]=> string(6) "536516" }
Output for 4.3.0 - 4.3.1
Warning: key() [http://www.php.net/function.key]: Passed variable is not an array or object in /in/60gOJ on line 13 Warning: key() [http://www.php.net/function.key]: Passed variable is not an array or object in /in/60gOJ on line 13 array(4) { [0]=> string(6) "489289" [1]=> string(6) "536516" [2]=> string(6) "332833" [3]=> string(6) "536516" }
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