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<?php function coolPluck($array, $lookup) { $output = array(); foreach($array as $k => $v) { if($k === $lookup) { $output[$k] = $v; } else if(is_array($v)) { $results = coolPluck($v, $lookup); if(isset($results[$lookup]) && isset($output[$lookup])) { $output[$lookup] = array($output[$lookup], $results[$lookup]); } else { $output = array_merge($output, $results); } } } return $output; } $testArray = array('test' => array('percy' => array('philip', 'hatcherson'), 'thomas' => array('mitchell', 'anderson'))); var_dump(coolPluck($testArray, 0));
Output for git.master_jit, git.master, rfc.property-hooks
array(1) { [0]=> array(2) { [0]=> string(6) "philip" [1]=> string(8) "mitchell" } }

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