3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function createApp() {} } class B extends A { use C; } trait C { public static function createApp() { echo "You should not be here\n"; } } (new B)->createApp();
Output for 7.4.0 - 7.4.30, 8.0.0 - 8.0.23, 8.1.0 - 8.1.10
Fatal error: Cannot make non static method A::createApp() static in class C in /in/I2E5Y on line 15
Process exited with code 255.
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Cannot make non static method A::createApp() static in class C in /in/I2E5Y on line 8
Process exited with code 255.

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