3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_NONE); $a = "2d9"; $a++; $a++; echo $a; // 2 // 2d11 //*3 // 4 // 4d9 // r2d2 echo "\n"; $a = "0"; $b = 0; $c = NULL; if ($a == $b && $b == $c) { echo $a == $c ? 'true' : 'false'; } else { echo 'none'; } // true //*false // none // 42

preferences:
38.99 ms | 402 KiB | 5 Q