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run code in 300+ PHP versions simultaneously

@ 2013-10-09T19:04:58Z

<?php


function coolPluck($array, $lookup) {
        $output = array();

        foreach($array as $k => $v) {
            if($k === $lookup && (isset($array[$k]))) {
                $output[$k] = $v;  
            }
            if(is_array($v)) {
                $results = coolPluck($v, $lookup);
                if(isset($results[$lookup]) && isset($output[$lookup])) {

                    $output = array_merge((array) $results[$lookup], (array) $output[$lookup]);

                    var_dump($output);
                }
                else {
                    $output = array_merge($results, $output);

                    var_dump($output);
                }
            }
        }

    return $output;
    }


$testArray = array('test' => array('percy' => array('percy' => 'hatcherson'), 'percy' => array('mitchell', 'anderson')));


var_dump(coolPluck($testArray, 'percy'));

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 8.2.18, 8.3.0 - 8.3.6: array(1) { ["percy"]=> array(2) { [0]=> string(8) "mitchell" [1]=> string(8) "anderson" } } array(1) { ["percy"]=> array(2) { [0]=> string(8) "mitchell" [1]=> string(8) "anderson" } } array(1) { ["percy"]=> array(2) { [0]=> string(8) "mitchell" [1]=> string(8) "anderson" } }

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