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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $variable in /in/2WWHA on line 3 ok
Output for 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: variable in /in/2WWHA on line 3 ok
Output for 7.3.32 - 7.3.33, 7.4.26
ok
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/2WWHA on line 7
Process exited with code 255.
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: variable in /in/2WWHA on line 3 Notice: Undefined variable: variable in /in/2WWHA on line 4 ok
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: variable in /in/2WWHA on line 3 Notice: Undefined variable: variable in /in/2WWHA on line 4 ok

preferences:
196.68 ms | 402 KiB | 307 Q