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<?php echo Module::work('hello world.'), "\n"; echo MyModule::work('hello world.'); abstract class Module { private static $mask = '[[[%s]]]'; public static function work($it) { return preg_replace_callback('~\w+~', array('sef', 'self::replace'), $it); } private static function replace($matches) { return sprintf(self::$mask, $matches[0]); } } abstract class MyModule extends Module { protected static $mask = '{{{%s}}}'; private static function replace($matches) { return sprintf(self::$mask, $matches[0]); } }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: preg_replace_callback(): Argument #2 ($callback) must be a valid callback, class "sef" not found in /in/hXhis:10 Stack trace: #0 /in/hXhis(10): preg_replace_callback('~\\w+~', Array, 'hello world.') #1 /in/hXhis(2): Module::work('hello world.') #2 {main} thrown in /in/hXhis on line 10
Process exited with code 255.

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