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<?php if (!($letter >= 'A' && $letter <= 'Z' || $letter >= 'a' && $letter <= 'z')) { throw new \InvalidArgumentException(); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $letter in /in/A7F7K on line 2 Warning: Undefined variable $letter in /in/A7F7K on line 2 Fatal error: Uncaught InvalidArgumentException in /in/A7F7K:3 Stack trace: #0 {main} thrown in /in/A7F7K on line 3
Process exited with code 255.

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