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<?php declare(strict_types = 1); interface SafeC { /** @throws void */ function get(): null; } class C { /** * @throws \Exception */ function get(): int { return random_int(0, 2) > 0 ? 1 : throw new \Exception("oops"); } } class CSafe1 extends C implements SafeC {}; class CSafe2 extends C implements SafeC { function get(): never { throw new \Exception("oops"); } };
Output for 8.5.0 - 8.5.2
Fatal error: Declaration of C::get(): int must be compatible with SafeC::get(): null in /in/sO1AE on line 12 Stack trace: #0 {main}
Process exited with code 255.
Output for 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.17
Fatal error: Declaration of C::get(): int must be compatible with SafeC::get(): null in /in/sO1AE on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34
Fatal error: Null can not be used as a standalone type in /in/sO1AE on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected 'throw' (T_THROW) in /in/sO1AE on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/sO1AE on line 1 Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/sO1AE on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/sO1AE on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' or ';' in /in/sO1AE on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/sO1AE on line 3
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/sO1AE on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sO1AE on line 3
Process exited with code 255.

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