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<?php array_walk($undefined, 'var_dump');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_walk(): Argument #1 ($array) must be of type array, null given in /in/jNoW0:2 Stack trace: #0 /in/jNoW0(2): array_walk(NULL, 'var_dump') #1 {main} thrown in /in/jNoW0 on line 2
Process exited with code 255.

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