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<?php function rechne(?string $test): ?int { return $test; } var_dump(rechne(null)); var_dump(rechne("str"));
Output for git.master, git.master_jit, rfc.property-hooks
NULL Fatal error: Uncaught TypeError: rechne(): Return value must be of type ?int, string returned in /in/1o9rj:4 Stack trace: #0 /in/1o9rj(8): rechne('str') #1 {main} thrown in /in/1o9rj on line 4
Process exited with code 255.

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