src/xPDO/xPDO.php
public function literal($string) {
        $string = trim($string, $this->_escapeCharOpen . $this->_escapeCharClose . $this->_quoteChar);
        return $string;
    }
public function literal($string) {
        $string = trim($string, $this->_escapeCharOpen . $this->_escapeCharClose . $this->_quoteChar);
        return $string;
    }
public function literal ( $ string ) { $ string = trim ( $ string , $ this -> _escapeCharOpen . $ this -> _escapeCharClose . $ this -> _quoteChar ) ; return $ string ; }
Use to insert a literal string into a SQL query without escaping or quoting.

@param string $string A string to return as a literal, unescaped and unquoted.
@return string The string with any escape or quote characters trimmed.
Use to insert a literal string into a SQL query without escaping or quoting .