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run code in 300+ PHP versions simultaneously
<?php function a() { function b() { } } function b() { } a();
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Cannot redeclare b() (previously declared in /in/JkTfM:11) in /in/JkTfM on line 4
Process exited with code 255.
preferences:
214.67 ms | 404 KiB | 293 Q