- var_dump: documentation ( source)
<?php
$products = [1, 2, 3, 4, 5];
$vendors = ["Amazon", "Newegg", "##php"];
$combinations = [];
foreach ($vendors as $vendor) {
foreach ($products as $productID) {
$combinations[] = array('product' => $productID, 'vendor' => $vendor);
}
}
var_dump($combinations);