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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('static', 'self::replace'), $it); } protected static function replace($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 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Use of "static" in callables is deprecated in /in/Bhv6f on line 10 Deprecated: Callables of the form ["Module", "self::replace"] are deprecated in /in/Bhv6f on line 10 [[[hello]]] [[[world]]]. Deprecated: Use of "static" in callables is deprecated in /in/Bhv6f on line 10 Deprecated: Callables of the form ["MyModule", "self::replace"] are deprecated in /in/Bhv6f on line 10 {{{hello}}} {{{world}}}.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
[[[hello]]] [[[world]]]. {{{hello}}} {{{world}}}.
Output for 5.2.0 - 5.2.17
Warning: preg_replace_callback(): Requires argument 2, 'static::self::replace', to be a valid callback in /in/Bhv6f on line 10 hello world. Warning: preg_replace_callback(): Requires argument 2, 'static::self::replace', to be a valid callback in /in/Bhv6f on line 10 hello world.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: preg_replace_callback(): requires argument 2, 'static::self::replace', to be a valid callback in /in/Bhv6f on line 10 hello world. Warning: preg_replace_callback(): requires argument 2, 'static::self::replace', to be a valid callback in /in/Bhv6f on line 10 hello world.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/Bhv6f on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/Bhv6f on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Bhv6f on line 5
Process exited with code 255.

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