asd

public static function filterInput($value, $type) {

        if(!isset($type))
            return;

        switch($type)
        {
            case 'email':               $pattern = '#^[\w-\._\+%]+@(?:[\w-]+\.)+[\w]{2,6}$#';               break;
            case 'password':            $pattern = '#\b(?=.*[a-z]+)(?=.*[0-9]+).{6,20}\b#';                 break;
            case 'username':            $pattern = '#\b[a-z0-9\.]{8,32}\b#';                                break;
            case 'phone':               $pattern = '#^(\(\d+\)\s{0,1}){0,1}(\d+((\-|\s){0,1})\d+){0,}$#';   break;
            case 'number':              $pattern = '#\b[\d]+\b#';                                           break;
            case 'only-string':         $pattern = '#\b[a-z]+\b#i';                                         break;
            case 'only-string-lower':   $pattern = '#\b[a-z]+\b#';                                          break;
            case 'only-string-upper':   $pattern = '#\b[A-Z]+\b#';                                          break;
            case 'alnum':               $pattern = '#\b[a-z0-9]+\b#i';                                      break;
            case 'word':                $pattern = '#\b[a-z0-9_]+\b#';                                      break;
        }

        if(preg_match($pattern, $value)){
            #array_push(self::$_temporary, $value, $type, 'success');
            self::$serialized = self::serialize(array($value, $type, 'success'));
        }
        else {
            #array_push(self::$_temporary, $value, $type, 'failed');
            self::$serialized = self::serialize(array($value, $type, 'failed'));
        }

        return self::$that;
    }

    public static function setFilterValue() {

        $unserialized = array();
        $unserialized = self::unserialize(self::$serialized);

        if(!empty($unserialized)) {

            if(in_array('success', $unserialized)){
                array_push(self::$_filtered, array($unserialized[1] => $unserialized[0]));
            }
            else{
                array_push(self::$_unfiltered, array($unserialized[1] => $unserialized[0]));
            }

        }

        return;
    }