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<?php echo Module::work('hello world.'), "\n"; echo MyModule::work('hello world.'); abstract class Module { public static function work($it) { return preg_replace_callback('~\w+~', array('self', 'static::replace'), $it); } protected static function replace($matches) { return sprintf('[[[%s]]]', $matches[0]); } } abstract class MyModule extends Module { protected static function replace($matches) { return sprintf('{{{%s}}}', $matches[0]); } }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Use of "self" in callables is deprecated in /in/BIvCc on line 8 Deprecated: Callables of the form ["Module", "static::replace"] are deprecated in /in/BIvCc on line 8 [[[hello]]] [[[world]]]. Deprecated: Use of "self" in callables is deprecated in /in/BIvCc on line 8 Fatal error: Uncaught TypeError: preg_replace_callback(): Argument #2 ($callback) must be a valid callback, class Module is not a subclass of MyModule in /in/BIvCc:8 Stack trace: #0 /in/BIvCc(8): preg_replace_callback('~\\w+~', Array, 'hello world.') #1 /in/BIvCc(3): Module::work('hello world.') #2 {main} thrown in /in/BIvCc on line 8
Process exited with code 255.

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