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<?php $aArray = array("0"=> "toto", "user" => "sdfdmlsfk", "1" => "sdfdsf"); $callback = function($key, $value) { if (is_numeric($key)) { return $value; } return null; }; $values = array_filter($aArray, $callback, ARRAY_FILTER_USE_BOTH); var_dump($values);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(0) { }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Notice: Use of undefined constant ARRAY_FILTER_USE_BOTH - assumed 'ARRAY_FILTER_USE_BOTH' in /in/s0RRn on line 11 Warning: array_filter() expects at most 2 parameters, 3 given in /in/s0RRn on line 11 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/s0RRn on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/s0RRn on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/s0RRn on line 5
Process exited with code 255.

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