protected function _sanitize($value)
    {
        $value = strip_tags($value);
        // Preserve escaped octets.
        $value = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $value);
        // Remove percent signs that are not part of an octet.
        $value = str_replace('%', '', $value);
        // Restore octets.
        $value = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $value);

        if ($this->_utf8($value)) {
            if (function_exists('mb_strtolower')) {
                $value = mb_strtolower($value, 'UTF-8');
            }
            $value = $this->_utf8encode($value, $this->_slug_length);
        }

        $value = strtolower($value);
        $value = preg_replace('/&.+?;|[^%a-z0-9_-]/', '-', $value); // replace entities and non-alpahnum with dashes
        $value = preg_replace('|-+|', '-', $value);
        $value = trim($value, '-');

        return $value;
    }
protected function _sanitize($value)
    {
        $value = strip_tags($value);
        // Preserve escaped octets.
        $value = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $value);
        // Remove percent signs that are not part of an octet.
        $value = str_replace('%', '', $value);
        // Restore octets.
        $value = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $value);

        if ($this->_utf8($value)) {
            if (function_exists('mb_strtolower')) {
                $value = mb_strtolower($value, 'UTF-8');
            }
            $value = $this->_utf8encode($value, $this->_slug_length);
        }

        $value = strtolower($value);
        $value = preg_replace('/&.+?;|[^%a-z0-9_-]/', '-', $value); // replace entities and non-alpahnum with dashes
        $value = preg_replace('|-+|', '-', $value);
        $value = trim($value, '-');

        return $value;
    }
protected function _sanitize ( $ value ) { $ value = strip_tags ( $ value ) ; // Preserve escaped octets. $ value = preg_replace ( '|%([a-fA-F0-9][a-fA-F0-9])|' , '---$1---' , $ value ) ; // Remove percent signs that are not part of an octet. $ value = str_replace ( '%' , '' , $ value ) ; // Restore octets. $ value = preg_replace ( '|---([a-fA-F0-9][a-fA-F0-9])---|' , '%$1' , $ value ) ; if ( $ this -> _utf8 ( $ value ) ) { if ( function_exists ( 'mb_strtolower' ) ) { $ value = mb_strtolower ( $ value , 'UTF-8' ) ; } $ value = $ this -> _utf8encode ( $ value , $ this -> _slug_length ) ; } $ value = strtolower ( $ value ) ; $ value = preg_replace ( '/&.+?;|[^%a-z0-9_-]/' , '-' , $ value ) ; // replace entities and non-alpahnum with dashes $ value = preg_replace ( '|-+|' , '-' , $ value ) ; $ value = trim ( $ value , '-' ) ; return $ value ; }
Sanitize a Value.

@param scalar Value to be validated

@return string The santizied value
Sanitize a Value .