public function bitOr( $value1, $value2 )
    {
        $value1 = $this->getIdentifier( $value1 );
        $value2 = $this->getIdentifier( $value2 );
        return "( {$value1} | {$value2} )";
    }
public function bitOr( $value1, $value2 )
    {
        $value1 = $this->getIdentifier( $value1 );
        $value2 = $this->getIdentifier( $value2 );
        return "( {$value1} | {$value2} )";
    }
public function bitOr ( $ value1 , $ value2 ) { $ value1 = $ this -> getIdentifier ( $ value1 ) ; $ value2 = $ this -> getIdentifier ( $ value2 ) ; return "( {$value1} | {$value2} )" ; }
Returns the SQL that performs the bitwise OR on two values.

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