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<?php class Drive_Filter_NormalizeName // implements Zend_Filter_Interface { protected function _replace(array $match) { print_r($match); } public function filter($name) { if (function_exists('mb_strtolower')) { $name = mb_strtolower($name); } else { $name = strtolower($name); } $name = preg_replace_callback('/(\d+)(\.)?/', array($this, '_replace'), $name); return $name; } } $filter = new Drive_Filter_NormalizeName; echo $filter->filter('dupa5_5.23_dupa3');

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