public function bitXor( $value1, $value2 )
    {
        $value1 = $this->getIdentifier( $value1 );
        $value2 = $this->getIdentifier( $value2 );
        return "( {$value1} + {$value2} - bitand( {$value1}, {$value2} ) * 2 )";
    }
public function bitXor( $value1, $value2 )
    {
        $value1 = $this->getIdentifier( $value1 );
        $value2 = $this->getIdentifier( $value2 );
        return "( {$value1} + {$value2} - bitand( {$value1}, {$value2} ) * 2 )";
    }
public function bitXor ( $ value1 , $ value2 ) { $ value1 = $ this -> getIdentifier ( $ value1 ) ; $ value2 = $ this -> getIdentifier ( $ value2 ) ; return "( {$value1} + {$value2} - bitand( {$value1}, {$value2} ) * 2 )" ; }
Returns the SQL that performs the bitwise XOR on two values.

@param string $value1
@param string $value2
@return string
Returns the SQL that performs the bitwise XOR on two values .