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<?php set_exception_handler("foo");
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: set_exception_handler(): Argument #1 ($callback) must be a valid callback or null, function "foo" not found or invalid function name in /in/oDmqb:3 Stack trace: #0 /in/oDmqb(3): set_exception_handler('foo') #1 {main} thrown in /in/oDmqb on line 3
Process exited with code 255.

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