3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = urlencode("http://1/2/3/4/5/a.a?b=b&c=c"); $v1 = urlencode($v); echo $v; echo "\n--------\n"; echo $v1; echo "\n--------\n"; echo urldecode(urldecode($v1));

preferences:
41.88 ms | 402 KiB | 5 Q