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<?php $array = [ "2,2-0-tc", "2-0", "2-0-tc", "3,3-0-sc-v6", "3-0-sc-v6", "3-0sc-v6", "5-0-sc-v8" ]; foreach ($array as $item) { $values = explode(",", $item); foreach ($values as $value) { if (!isset($result[$value])) { $result[$value] = $item; } } } var_export($result);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 2 => '2,2-0-tc', '2-0-tc' => '2,2-0-tc', '2-0' => '2-0', 3 => '3,3-0-sc-v6', '3-0-sc-v6' => '3,3-0-sc-v6', '3-0sc-v6' => '3-0sc-v6', '5-0-sc-v8' => '5-0-sc-v8', )

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