Online PHP editor | refs for KLf8Y

<?php $input = [ [ 'group' => '1', 4 => '19', 6 => '27', 8 => '160', ], [ 'group' => '2', 4 => '20', 6 => '28', 8 => '200', ], ]; $output = []; foreach ($input as $subArray) { $group = $subArray['group']; unset($subArray['group']); foreach ($subArray as $setId => $variationId) { $output[] = [ 'group' => $group, 'es_variation_set_id' => $setId, 'es_variation_id' => $variationId, ]; } } var_dump($output);