_stripQuoted example

protected function _prepare($sql)
    {
        return;
    }

    /** * @param string $sql * @return void */
    protected function _parseParameters($sql)
    {
        $sql = $this->_stripQuoted($sql);

        // split into text and params         $this->_sqlSplit = preg_split('/(\?|\:[a-zA-Z0-9_]+)/',
            $sql, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);

        // map params         $this->_sqlParam = array();
        foreach ($this->_sqlSplit as $key => $val) {
            if ($val == '?') {
                if ($this->_adapter->supportsParameters('positional') === false) {
                    /** * @see Zend_Db_Statement_Exception */