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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(get_called_class(), 'static::replace'), $it); } private static function replace($matches) { return sprintf(self::$mask, $matches[0]); } } abstract class MyModule extends Module { protected static $mask = '{{{%s}}}'; protected static function replace($matches) { return sprintf(self::$mask, $matches[0]); } }
Output for 5.3.20 - 5.3.29, 5.4.10 - 7.1.0
[[[hello]]] [[[world]]]. {{{hello}}} {{{world}}}.
Output for 5.3.0 - 5.3.19, 5.4.0 - 5.4.9
[[[hello]]] [[[world]]]. [[[hello]]] [[[world]]].
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function get_called_class() in /in/BUjCW on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/BUjCW on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/BUjCW on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/BUjCW on line 5
Process exited with code 255.