Online PHP editor | refs for JqTGG

<?php $array = [ ['group' => 'A', 'A' => 1, 'B' => 2,], ['group' => 'B', 'A' => 3, 'B' => 4,], ['group' => 'A', 'A' => 5, 'B' => 6,], ['group' => 'B', 'A' => 7, 'B' => 8,] ]; $result = []; foreach ($array as ['group' => $group, $group => $result[$group][]]); var_export($result);