Online PHP editor | refs for 0ssGC

<?php $results = [ ['name' => 'Benjoe', 'number' => '001'], ['name' => 'Benjoe', 'number' => '002'], ['name' => 'Benjoe', 'number' => '001'], ]; $temp = []; foreach($results as $index => $log) { $val = $log['name'] . '_' . $log['number']; if (in_array($val, $temp)) { echo "Duplicate found at index {$index}<br/>\n"; } else { $temp[] = $val; } }