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<?php abstract class Module { public static function work($it) { return preg_replace_callback('~\w+~', '__CLASS__::replace', $it); } private static function replace($matches) { return sprintf('[[[%s]]]', $matches[0]); } } echo Module::work('hello world.');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: preg_replace_callback(): Argument #2 ($callback) must be a valid callback, class "__CLASS__" not found in /in/oSQ7L:5 Stack trace: #0 /in/oSQ7L(5): preg_replace_callback('~\\w+~', '__CLASS__::repl...', 'hello world.') #1 /in/oSQ7L(11): Module::work('hello world.') #2 {main} thrown in /in/oSQ7L on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_replace_callback(): Requires argument 2, '__CLASS__::replace', to be a valid callback in /in/oSQ7L on line 5 hello world.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: preg_replace_callback(): requires argument 2, '__CLASS__::replace', to be a valid callback in /in/oSQ7L on line 5 hello world.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/oSQ7L on line 2
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/oSQ7L on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oSQ7L on line 2
Process exited with code 255.
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