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<?php echo Module::work('hello world.'), "\n"; echo MyModule::work('hello world.'); abstract class MyModule extends Module { protected static $mask = '{{{%s}}}'; } abstract class Module { private static $mask = '[[[%s]]]'; public static function work($it) { return preg_replace_callback('~\w+~', 'static::replace', $it); } private static function replace($matches) { return sprintf(static::$mask, $matches[0]); } }

preferences:
35.42 ms | 402 KiB | 5 Q