3v4l.org

run code in 300+ PHP versions simultaneously
<?php $j=[ ['type' => ['href' => 'http://foo.bar']], ['embedded' => [['type' => ['href' => 'http://foo.bar']]] ]]; array_walk_recursive($j, function(&$v, $k) { print $k; if ($k == 'type') { print $k; print_r($v); $v['href'] = str_replace('foo', 'foz', $v['href']); } }); print_r($j);

preferences:
34.63 ms | 402 KiB | 5 Q