Попробуйте это: -
<?php
$var = array("0"=>array('rmsId' => '123456789','departmentName' => 'Britax','categoryName' => 'Car Seat','productName' => 'Test Product For Britax Car Seat','productPrice' => 33.99,'productQty' => 10),
"1"=>array('rmsId' => '987654321','departmentName' => 'Stokke','categoryName' => 'Highchairs','productName' => 'Test Product For Stokke Highchair','productPrice' => 83.99,'productQty' => 20),
"2"=>array('rmsId' => '13579','departmentName' => 'Maclaren','categoryName' => 'Buggy','productName' => 'Test Product For Maclaren Buggy','productPrice' => 183.99,'productQty' => 5)
);
foreach ($var as $key=>$val) {
$id = $val['rmsId'];
$dname = $val['departmentName'];
$cname = $val['categoryName'];
$pname = $val['productName'];
$price = $val['productPrice'];
$qnt = $val['productQty'];
$query = mysql_query("INSERT INTO TABLENAME (rmsId,departmentName,categoryName,productName,productPrice,productQty) VALUE(".$id.",".$dname.",".$cname.",".$pname.",".$price.",".$qnt.")");
}
?>