3v4l.org

run code in 300+ PHP versions simultaneously
<?php class BackendController { private $backendLogin = WEB_ROOT . "backend/login"; }
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting ',' or ';' in /in/58q56 on line 5
Process exited with code 255.

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82.86 ms | 407 KiB | 5 Q