Online PHP editor | refs for 2NaME

<?php $array = [ ['apn' => 345345353, 'sqft' => 1121, 'address' => '12 Lincoln Ave.'], ['apn' => 345345351, 'sqft' => 1643, 'address' => '13 Lincoln Ave.'], ['apn' => 345345352, 'sqft' => 1222, 'address' => '14 Lincoln Ave.'], ['apn' => 345345358, 'sqft' => 1226, 'address' => '6 Olark Ave.'], ['apn' => 345345345, 'sqft' => 1200, 'address' => '323 Pacific Ave.'], ['apn' => 345345342, 'sqft' => 1421, 'address' => '324 Pacific Ave.'], ['apn' => 345345347, 'sqft' => 1093, 'address' => '328 Pacific Ave.'], ]; foreach ($array as $row) { [$number, $street] = explode(' ', $row['address'], 2); $group[$street][] = $number; } $result = []; foreach ($group as $street => $numbers) { if (sizeof($numbers) > 1) { array_push($result, min($numbers) . ' ' . $street, max($numbers) . ' ' . $street); } } var_export($result);