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<?php function coolPluck($array, $allowed) { $output = array(); foreach($allowed as $keyToFind) { foreach($array as $k => $v) { if($k === $keyToFind) { $output[$keyToFind] = $v; } if(is_array($v)) { $results = coolPluck($v, $allowed); if (isset($results[$keyToFind])) { var_dump($output[$keyToFind]); $output[$keyToFind] = array_merge(array($output[$keyToFind]), array($results[$keyToFind])); } } } } return $output; } $testArray = array( 'test' => array( 'percy' => array( 'percy' => 'hatcherson' ), 'percy' => array( 'mitchell', 'anderson' ) ) ); var_dump(coolPluck($testArray, array('percy')));

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