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run code in 300+ PHP versions simultaneously
<?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);

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