public function concat()
    {
        $args = func_get_args();
        $cols = ezcQuerySelect::arrayFlatten( $args );

        if ( count( $cols ) < 1 )
        {
            throw new ezcQueryVariableParameterException( 'concat', count( $args ), 1 );
        }

        $cols = $this->getIdentifiers( $cols );
        return join( ' + ', $cols );
    }
public function concat()
    {
        $args = func_get_args();
        $cols = ezcQuerySelect::arrayFlatten( $args );

        if ( count( $cols ) < 1 )
        {
            throw new ezcQueryVariableParameterException( 'concat', count( $args ), 1 );
        }

        $cols = $this->getIdentifiers( $cols );
        return join( ' + ', $cols );
    }
public function concat ( ) { $ args = func_get_args ( ) ; $ cols = ezcQuerySelect :: arrayFlatten ( $ args ) ; if ( count ( $ cols ) < 1 ) { throw new ezcQueryVariableParameterException ( 'concat' , count ( $ args ) , 1 ) ; } $ cols = $ this -> getIdentifiers ( $ cols ) ; return join ( ' + ' , $ cols ) ; }
Returns a series of strings concatinated

concat() accepts an arbitrary number of parameters. Each parameter
must contain an expression or an array with expressions.

@param string|array(string) $... strings that will be concatinated.
Returns a series of strings concatinated