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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo Module::work('hello world.'), "\n"; echo MyModule::work('hello world.'), "\n"; echo YourModule::work('hello world.'); 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(self::$mask, $matches[0]); } } abstract class MyModule extends Module { protected static $mask = '{{{%s}}}'; } abstract class YourModule extends Module { protected static $mask = '***%s***'; public static function work($it) { return call_user_func('parent::work', $it); } }
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
[[[hello]]] [[[world]]]. [[[hello]]] [[[world]]]. [[[hello]]] [[[world]]].
Output for 5.2.2 - 5.2.17
Warning: preg_replace_callback(): Requires argument 2, 'static::replace', to be a valid callback in /in/OkKik on line 11 hello world. Warning: preg_replace_callback(): Requires argument 2, 'static::replace', to be a valid callback in /in/OkKik on line 11 hello world. Fatal error: Cannot call method parent::work() or method does not exist in /in/OkKik on line 29
Process exited with code 255.
Output for 5.2.0 - 5.2.1
Warning: preg_replace_callback(): Requires argument 2, 'static::replace', to be a valid callback in /in/OkKik on line 11 hello world. Warning: preg_replace_callback(): Requires argument 2, 'static::replace', to be a valid callback in /in/OkKik on line 11 hello world. Warning: call_user_func(parent::work): Unable to call parent::work(hello world.) in /in/OkKik on line 29
Output for 5.1.2 - 5.1.6
Warning: preg_replace_callback(): requires argument 2, 'static::replace', to be a valid callback in /in/OkKik on line 11 hello world. Warning: preg_replace_callback(): requires argument 2, 'static::replace', to be a valid callback in /in/OkKik on line 11 hello world. Warning: call_user_func(parent::work): Unable to call parent::work(hello world.) in /in/OkKik on line 29
Output for 5.0.0 - 5.1.1
Warning: preg_replace_callback(): requires argument 2, 'static::replace', to be a valid callback in /in/OkKik on line 11 hello world. Warning: preg_replace_callback(): requires argument 2, 'static::replace', to be a valid callback in /in/OkKik on line 11 hello world. Warning: call_user_func(parent::work): First argument is expected to be a valid callback in /in/OkKik on line 29
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/OkKik on line 6
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/OkKik on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/OkKik on line 6
Process exited with code 255.