Tag: Remove Sub-Folders from the Filesystem

  • Removing Sub-Folders from a List of Folders in PHP

    Intuition The problem requires removing subfolders from a list of folder paths. The simplest way to identify subfolders is to check if one path starts with another parent path. By sorting the folders lexicographically, subfolders will always appear immediately after their corresponding parent folders, which makes it easy to filter them out with a single…