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<?php $testarr = array ( 'advertiser' => array ( 'id' => 135234, 'name' => 'Some Advertiser', 'agency' => array ( 'id' => 137734, 'name' => 'Some Agenecy', 'organisation' => array ( 'id' => 383734, 'name' => 'Some Organisation' ), ) ) ); function getkeypath($arr, $lookup) { if (in_array($lookup, $arr)) { return array($lookup); } else { foreach ($arr as $key => $subarr) { if (is_array($subarr)) { $ret = getkeypath($subarr, $lookup); if ($ret) { $ret[] = $key; return $ret; } } } } return null; } echo '$testarr: ' . "/n"; print_r($testarr); echo '<br>' . 'Organisation: ' . '<br>' . print_r(getkeypath($testarr, '383734'), true) . '<br>';
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
$testarr: /nArray ( [advertiser] => Array ( [id] => 135234 [name] => Some Advertiser [agency] => Array ( [id] => 137734 [name] => Some Agenecy [organisation] => Array ( [id] => 383734 [name] => Some Organisation ) ) ) ) <br>Organisation: <br>Array ( [0] => 383734 [1] => organisation [2] => agency [3] => advertiser ) <br>

preferences:
329.93 ms | 407 KiB | 459 Q