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<?php interface I1 { public static function foo($bar) : int; } interface I2 { public static function foo($bar) : string; } class A implements I1, I2 { // which interface should be inherited here? public static function foo($bar) : int {} }
Output for 8.5.0 - 8.5.3
Fatal error: Declaration of A::foo($bar): int must be compatible with I2::foo($bar): string in /in/oWPT3 on line 13 Stack trace: #0 {main}
Process exited with code 255.
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
Fatal error: Declaration of A::foo($bar): int must be compatible with I2::foo($bar): string in /in/oWPT3 on line 13
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of A::foo($bar): int must be compatible with I2::foo($bar): string in /in/oWPT3 on line 11
Process exited with code 255.

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