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<?php function iMerge($one, $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); $two = array(2, 'A' => 'AAA', 'C' => 'CCC', 3); print_r(iMerge($one, $two));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 0 [a] => AAA [b] => bbb [1] => 1 [2] => 2 [C] => CCC [3] => 3 )

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