3v4l.org

run code in 300+ PHP versions simultaneously
<?php <script> echo "Hello"; var a,b,c; a=parseInt.prompt("Enter first number?"); b=parseInt.prompt("Enter second number?"); c=a+b; document.write ("summation is: +c"); </script> ?>
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.24
Parse error: syntax error, unexpected '<' in /in/fQgDb on line 2
Process exited with code 255.
preferences:
179.57 ms | 1395 KiB | 61 Q