dirname Returns directory name component of path &reftitle.description; stringdirname stringpath Given a string containing a path to a file, this function will return the name of the directory. &reftitle.parameters; path A path. On Windows, both slash (/) and backslash (\) are used as directory separator character. In other environments, it is the forward slash (/). &reftitle.returnvalues; Returns the name of the directory. If there are no slashes in path, a dot ('.') is returned, indicating the current directory. Otherwise, the returned string is path with any trailing /component removed. &reftitle.changelog; &Version; &Description; 5.0.0 dirname is now binary safe 4.0.3 dirname was fixed to be POSIX-compliant. &reftitle.examples; ]]> &reftitle.notes; Since PHP 4.3.0, you will often get a slash or a dot back from dirname in situations where the older functionality would have given you the empty string. Check the following change example: ]]> &reftitle.seealso; basename pathinfo realpath