Remove Sub-Folders From Filesystem With PHP Solution
Remove sub-folders from filesystem: Sort folders lexicographically, identify & filter out sub-folders based on parent-child relationships.
1233. Remove Sub-Folders from the Filesystem Difficulty: Medium Topics: Array, String, Depth-First Search, Trie Given a list of folders folder, return the folders after removing all sub-folders in those folders. You may return the answer in any order. If a folder[i] is located within another folder[j], it is called a sub-folder of it. A sub-folder of folder[j] must start with folder[j], followed by a "/". For example, "/a/b" is a sub-folder of "/a", but "/b" is not a sub-folder of "/a/b/c". The format of a path is one or more concatenated strings of the form: '/' followed by one or more lowerc...