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<?php interface I { const C = 12; protected static $var = 12; public static function test(array $a); } abstract class A { const C = 14; protected static $var = 17; } class B extends A implements I { const D = 15; public static function test(array $a){ return self::C; } } var_dump(B::test(array()), A::C, B::C);
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Fatal error: Interfaces may not include member variables in /in/SbPee on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/SbPee on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/SbPee on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/SbPee on line 2
Process exited with code 255.

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