3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php function &myFunction() { $string = "MyString"; var_dump($string); return ($undefined); } for($i = 0; $i < 10; $i++) { $retval = myFunction(); } ?>
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '<' in /in/gLQX1 on line 2
Process exited with code 255.
preferences:
182.54 ms | 1399 KiB | 67 Q