Many-to-many relations Default theme

Many-to-many (FK) relations can be displayed as simple multiselect fields. This method changes only fk table.

<?php
	$xcrud = Xcrud::get_instance();
    $xcrud->table('customers');
    $xcrud->columns('customerNumber,Customer orders,city');
    $xcrud->fk_relation('Customer orders','customerNumber','customers_orders_fk','customer_id','order_id','orders','orderNumber',array('orderNumber','orderDate'));
    echo $xcrud->render();
?>

Customers

#	Customernumber	Customer orders	City
1	103	10100 2003-01-06 00:00:00, 10101 2003-01-09…	Nantes
2	112	10100 2003-01-06 00:00:00, 10101 2003-01-09…	Las Vegas
3	114	10100 2003-01-06 00:00:00	Melbourne
4	119	10100 2003-01-06 00:00:00	Nantes
5	121	10101 2003-01-09 00:00:00, 10102 2003-01-10…	Stavern
6	124	10364 2005-01-06 00:00:00	San Rafael
7	125	10126 2003-05-28 00:00:00	Warszawa
8	128	10100 2003-01-06 00:00:00, 10101 2003-01-09…	Frankfurt
9	129	10100 2003-01-06 00:00:00, 10104 2003-01-31…	San Francisco
10	131		NYC

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