3v4l.org

run code in 500+ PHP versions simultaneously
<?php interface EditorInterface { public function getDefaultSettings($extra = NULL) : array; } class EditorInTheWild implements EditorInterface { public function getDefaultSettings(): array { return []; } }
Output for 8.5.0 - 8.5.9
Fatal error: Declaration of EditorInTheWild::getDefaultSettings(): array must be compatible with EditorInterface::getDefaultSettings($extra = null): array in /in/YoQn6 on line 8 Stack trace: #0 {main}
Process exited with code 255.
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24
Fatal error: Declaration of EditorInTheWild::getDefaultSettings(): array must be compatible with EditorInterface::getDefaultSettings($extra = null): array in /in/YoQn6 on line 8
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Declaration of EditorInTheWild::getDefaultSettings(): array must be compatible with EditorInterface::getDefaultSettings($extra = NULL): array in /in/YoQn6 on line 8
Process exited with code 255.
preferences:
79.42 ms | 1317 KiB | 4 Q