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<?php abstract class A { abstract 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 7.4.2
Fatal error: Cannot make non static method A::createApp() static in class C in /in/WgSfr on line 15
Process exited with code 255.
Output for 5.4.11 - 7.4.1
You should not be here
Output for 5.4.0 - 5.4.10
Fatal error: Cannot make non static method A::createApp() static in class B in /in/WgSfr on line 11
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_USE, expecting T_FUNCTION in /in/WgSfr on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_USE, expecting T_FUNCTION in /in/WgSfr on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/WgSfr on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/WgSfr on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WgSfr on line 3
Process exited with code 255.