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<?php function getString() : int { return 'some string'; } var_dump(getString());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: getString(): Return value must be of type int, string returned in /in/IrANl:5 Stack trace: #0 /in/IrANl(8): getString() #1 {main} thrown in /in/IrANl on line 5
Process exited with code 255.

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