3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array('element1' => array('subelement1'=>'value','subelement2'=>array('sub21'=>'hello')), 'element2'=>array('something'=>'this','subelement1'=>'awesome','subelement2'=>array('sub21'=>'world'))); function deepReplace($searchPath, $newValue, &$array) { if (count($searchPath) == 0) { $array = $newValue; } $lookFor = array_shift($searchPath); if ($lookFor === null) { foreach ($array as $value) { deepReplace($searchPath, $newValue, $value); } } else if (is_array($array) && array_key_exists($lookFor, $array)) { deepReplace($searchPath, $newValue, $array[$lookFor]); } } print_r($data); deepReplace(array(null, "subelement1"), "newValue", $data); print_r($data);

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