3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php function foo() { $a = 0; $b = &$a; echo ++$a + $a++; } function bar() { $a = 0; echo ++$a + $a++; }
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.29, 5.6.8 - 5.6.13
Parse error: syntax error, unexpected '<' in /in/tvja3 on line 3
Process exited with code 255.
preferences:
178.91 ms | 1395 KiB | 56 Q