3v4l.org

run code in 300+ PHP versions simultaneously
<?php // $result = 5 * $variable; $variable; echo $variable;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: Undefined variable $variable in /in/N8o9V on line 6
Output for 5.3.28 - 5.3.29, 5.4.18 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: variable in /in/N8o9V on line 6
Output for 7.3.32 - 7.3.33
Output for 7.1.10

Process exited with code 137.
Output for 5.3.25 - 5.3.27, 5.4.16 - 5.4.17
Notice: Undefined variable: variable in /in/9BLkr on line 6
Output for 5.3.0 - 5.3.24, 5.4.0 - 5.4.15
Notice: Undefined variable: variable in N8o9V on line 6
preferences:
215.68 ms | 402 KiB | 262 Q