Online PHP editor | output for dJ7hq

<?php $array = [ ['customerName' => "John Dunk", 'customerPhone' => 5555555555, 'Difference' => 125.0], ['customerName' => "John Dunk", 'customerPhone' => 5555555555, 'Difference' => 192.0], ['customerName' => "James Morle", 'customerPhone' => 111111111, 'Difference' => 145.0], ['customerName' => "James Morle", 'customerPhone' => 111111111, 'Difference' => 114.0], ]; $result = []; foreach ($array as $row) { if (!isset($ref[$row['customerName']])) { $ref[$row['customerName']] = $row; $result[] =& $ref[$row['customerName']]; } elseif ($ref[$row['customerName']]['Difference'] > $row['Difference']) { $ref[$row['customerName']]['customerPhone'] = $row['customerPhone']; $ref[$row['customerName']]['Difference'] = $row['Difference']; } } var_export($result);