3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=str_replace($a,"\","");
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Parse error: syntax error, unexpected '"' in /in/jZ1BB on line 3
Process exited with code 255.
preferences:
190.55 ms | 1395 KiB | 66 Q