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<?php function array_pluck($key, $input) { if (is_array($key) || !is_array($input)) return array(); $array = array(); foreach($input as $v) { if(array_key_exists($key, $v)) $array[]=$v[$key]; } return $array; } $testArray = array(1, 'test' => array('a' => array('percy', 'mitch'), 'b', 'c')); $res = array_pluck('a', $testArray); var_dump($res);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, int given in /in/bYaQ8:7 Stack trace: #0 /in/bYaQ8(16): array_pluck('a', Array) #1 {main} thrown in /in/bYaQ8 on line 7
Process exited with code 255.

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