Online PHP editor | output for PvdEk

<?php $json = '{ "shops": [ { "shop_id": "100", "locations": [ { "location_id": "100_1", "distance": "10.3" }, { "location_id": "100_2", "distance": "15.2" } ] }, { "shop_id": "101", "locations": [ { "location_id": "101_1", "distance": "19.3" }, { "location_id": "101_2", "distance": "12.4" } ] }] }'; // Decode the JSON data $json_data = json_decode($json,true); // Do a foreach loop foreach($json_data['shops'] as $shops) { $distances = array_column($shops['locations'], 'distance'); $locations = array_column($shops['locations'], 'location_id'); $min = min($distances); $location = array_search($min, $distances); echo $locations[$location] . ' -> ' . $min . "\n"; }