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<?php $array = ['my', 'unique', 'values', 'array', 'and', 'so', 'on']; $result = []; $tot = count($array) - 1; while ($tot > -1) { $temp = $result; $result = []; $result[$array[$tot]] = $temp; $tot--; } print_r($result);
Output for git.master_jit, git.master, rfc.property-hooks
Array ( [my] => Array ( [unique] => Array ( [values] => Array ( [array] => Array ( [and] => Array ( [so] => Array ( [on] => Array ( ) ) ) ) ) ) ) )

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