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@ 2013-03-17T08:43:33Z

<?php
abstract class Module
{
    public static function work($it) {
		return preg_replace_callback('~\w+~', '.::replace', $it);
    }
    private static function replace($matches) {
        return sprintf('[[[%s]]]', $matches[0]);
    }
}
echo Module::work('hello world.');

Output
Performance
VLD
References
Branches

preg_replace_callback: documentation ( source)
sprintf: documentation ( source)

preferences:dark modelive preview

32.51 ms | 402 KiB | 5 Q