3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'a'; $b = '3'; echo (isset ($a) && isset ($b) && !is_numeric (($a * $b) . '') ? 1 : 0; ?>
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.27
Parse error: syntax error, unexpected ';' in /in/t29Jh on line 4
Process exited with code 255.
preferences:
175.44 ms | 1395 KiB | 64 Q