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<?php $nested_array = array(); $temp = &$nested_array; $item = 'brachA-branchB-branchC'; foreach (explode('-', $item) as $key => $value) { $temp = &$temp[$value]; } print_r($nested_array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [brachA] => Array ( [branchB] => Array ( [branchC] => ) ) )

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