3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '<?php $x = \'*\'; echo str_replace(chr(0x2A), addslashes($x), $x); ?>'; echo str_replace(chr(0x2A), addslashes($x), $x); ?>

preferences:
35.4 ms | 402 KiB | 5 Q