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<?php spl_autoload_extensions(".class.php"); spl_autoload_register('spl_autoload_callez', false); var_dump(class_exists('\\test\\ting'));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: spl_autoload_register(): Argument #1 ($callback) must be a valid callback or null, function "spl_autoload_callez" not found or invalid function name in /in/MtVdA:3 Stack trace: #0 /in/MtVdA(3): spl_autoload_register('spl_autoload_ca...', false) #1 {main} thrown in /in/MtVdA on line 3
Process exited with code 255.

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