3v4l.org

run code in 300+ PHP versions simultaneously
<?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('self', 'static::replace'), $it); } private static function replace($matches) { return sprintf(self::$mask, $matches[0]); } } abstract class MyModule extends Module { private static $mask = '{{{%s}}}'; protected static function replace($matches) { return sprintf(self::$mask, $matches[0]); } }
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Use of "self" in callables is deprecated in /in/5c4s3 on line 10 Deprecated: Callables of the form ["Module", "static::replace"] are deprecated in /in/5c4s3 on line 10 [[[hello]]] [[[world]]]. Deprecated: Use of "self" in callables is deprecated in /in/5c4s3 on line 10 Fatal error: Uncaught TypeError: preg_replace_callback(): Argument #2 ($callback) must be a valid callback, class Module is not a subclass of MyModule in /in/5c4s3:10 Stack trace: #0 /in/5c4s3(10): preg_replace_callback('~\\w+~', Array, 'hello world.') #1 /in/5c4s3(3): Module::work('hello world.') #2 {main} thrown in /in/5c4s3 on line 10
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
[[[hello]]] [[[world]]]. Fatal error: Uncaught TypeError: preg_replace_callback(): Argument #2 ($callback) must be a valid callback, class Module is not a subclass of MyModule in /in/5c4s3:10 Stack trace: #0 /in/5c4s3(10): preg_replace_callback('~\\w+~', Array, 'hello world.') #1 /in/5c4s3(3): Module::work('hello world.') #2 {main} thrown in /in/5c4s3 on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
[[[hello]]] [[[world]]]. Warning: preg_replace_callback(): Requires argument 2, 'self::static::replace', to be a valid callback in /in/5c4s3 on line 10 hello world.
Output for 5.2.0 - 5.2.17
Warning: preg_replace_callback(): Requires argument 2, 'self::static::replace', to be a valid callback in /in/5c4s3 on line 10 hello world. Warning: preg_replace_callback(): Requires argument 2, 'self::static::replace', to be a valid callback in /in/5c4s3 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, 'self::static::replace', to be a valid callback in /in/5c4s3 on line 10 hello world. Warning: preg_replace_callback(): requires argument 2, 'self::static::replace', to be a valid callback in /in/5c4s3 on line 10 hello world.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/5c4s3 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/5c4s3 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5c4s3 on line 5
Process exited with code 255.

preferences:
234.35 ms | 401 KiB | 348 Q