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<?php define('§', function($input) { $output = $input; // do something here return $output; }); $n = §(123);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function §() in /in/CSWav:10 Stack trace: #0 {main} thrown in /in/CSWav on line 10
Process exited with code 255.

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