3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i = 0; $i < 200; $i++){ $lala = "e".$i; $rs = sha1($lala); if(substr($rs, 0, 2) === "e0"){ echo "$lala: ".$rs."\n"; } }

preferences:
31.23 ms | 402 KiB | 5 Q