3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = 5 * $variable; $variable; //echo $variable; // Undefined //echo $variable = 'ok'; //string ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $variable in /in/mvlK5 on line 3
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: variable in /in/mvlK5 on line 3
Output for 7.3.32 - 7.3.33
preferences:
206.09 ms | 401 KiB | 316 Q