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<?php $input = "0-1-1-3-1-1-3-5-0"; $array = explode('-', $input); $result = array_unique($array) + array_fill(0, count($array), 0); ksort($result); var_dump(implode('-',$result));
Output for git.master, git.master_jit, rfc.property-hooks
string(17) "0-1-0-3-0-0-0-5-0"

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