Online PHP editor | refs for QEC47

<?php class Helpers { /** * Like array_merge() but case-insensitive keys comparison. * @param array * @param array * @return array */ public static function iMerge(array $one, array $two) { $keys = array_combine(array_keys(array_change_key_case($one, CASE_LOWER)), array_keys($one)); foreach ($two as $k => $v) { if (is_int($k)) { $one[] = $v; } elseif (array_key_exists($lower = strtolower($k), $keys)) { $one[$keys[$lower]] = $v; } else { $one[$k] = $v; } } return $one; } } $one = array(0, 'a' => 'aaa', 'b' => 'bbb', 1); $two = array(2, 'A' => 'AAA', 'C' => 'CCC', 3); var_dump(Helpers::iMerge($one, $two));