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<?php $arr = array('test' => array('percy' => array('hello' => 'hatcherson'), 'percy' => array('mitchell', 'anderson'))); $combined = array(); foreach ($arr as $k => $v) { $combined[] = array_intersect_key($arr, array_flip($allowed)); } var_dump($res);
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
Warning: Undefined variable $allowed in /in/W9DAh on line 10 Fatal error: Uncaught TypeError: array_flip(): Argument #1 ($array) must be of type array, null given in /in/W9DAh:10 Stack trace: #0 /in/W9DAh(10): array_flip(NULL) #1 {main} thrown in /in/W9DAh on line 10
Process exited with code 255.
Output for 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: allowed in /in/W9DAh on line 10 Warning: array_flip() expects parameter 1 to be array, null given in /in/W9DAh on line 10 Warning: array_intersect_key(): Expected parameter 2 to be an array, null given in /in/W9DAh on line 10 Notice: Undefined variable: res in /in/W9DAh on line 15 NULL
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: array_flip() expects parameter 1 to be array, null given in /in/W9DAh on line 10 Warning: array_intersect_key(): Expected parameter 2 to be an array, null given in /in/W9DAh on line 10 NULL
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 - 7.1.20, 7.2.0 - 7.2.33
Notice: Undefined variable: allowed in /in/W9DAh on line 10 Warning: array_flip() expects parameter 1 to be array, null given in /in/W9DAh on line 10 Warning: array_intersect_key(): Argument #2 is not an array in /in/W9DAh on line 10 Notice: Undefined variable: res in /in/W9DAh on line 15 NULL
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined variable: allowed in /in/W9DAh on line 10 Warning: array_flip(): The argument should be an array in /in/W9DAh on line 10 Warning: array_intersect_key(): Argument #2 is not an array in /in/W9DAh on line 10 Notice: Undefined variable: res in /in/W9DAh on line 15 NULL
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/W9DAh on line 10
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/W9DAh on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/W9DAh on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/W9DAh on line 10
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