3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array("server"=>array("web11"=>"1", "web12"=>"fails", "web13"=>"1"), "maxCdn"=>"200", "status" => "200"); print_r($arr); print_r($arr["server"]); print_r(array_search("fails",$arr));

preferences:
51.83 ms | 402 KiB | 5 Q