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<?php $str = 'root/foo/bar/file.jpg'; $parts = explode("/", $str); $leaf = array_pop($parts); $tree = array(); $branch = &$tree; foreach($parts as $v){ $branch[$v] = array(); $branch = &$branch[$v]; } $branch = $leaf; print_r($tree);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [root] => Array ( [foo] => Array ( [bar] => file.jpg ) ) )

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