3v4l.org

run code in 300+ PHP versions simultaneously
<?php $j1 = '{"1":"9","3":"7","4":"6","5":"10","6":"8"}'; $j2 = '{"1":"1","2":"1","3":"1","4":"1","5":"1","6":"7"}'; $array1 = json_decode($j1, true); $array2 = json_decode($j2, true); foreach ($array1 as $key => $product_id) { $quantity = $array2[$key] ?? 0; echo "Product $product_id: Quantity: $quantity\n"; }
Output for 7.1.25 - 7.1.32, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Product 9: Quantity: 1 Product 7: Quantity: 1 Product 6: Quantity: 1 Product 10: Quantity: 1 Product 8: Quantity: 7
preferences:
155.28 ms | 408 KiB | 5 Q