3v4l.org

run code in 300+ PHP versions simultaneously
<?php function file_exists($path) { return true; }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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 - 7.1.6
Fatal error: Cannot redeclare file_exists() in /in/JZHcp on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot redeclare file_exists() in /in/JZHcp on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot redeclare file_exists() in /in/JZHcp on line 3
preferences:
272.16 ms | 1395 KiB | 232 Q