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<?php interface Greet { function speak(): string; } class Hello implements Greet { function speak() { return 'world'; } } new Hello();
Output for git.master_jit, git.master
Fatal error: Declaration of Hello::speak() must be compatible with Greet::speak(): string in /in/Pi1eW on line 9 Stack trace: #0 {main}
Process exited with code 255.

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