On March 17, 2020 6:08:25 PM UTC, "Christoph M. Becker" <cmbecker69@xxxxxx> wrote: >On 17.03.2020 at 18:40, Jeffry Killen wrote: > >> Hello; >> >> This must be the first time I have encountered this: >> >> I have an html interface with text input fields for >> entering file names. The underlying javascript >> sends and async request to verify that the file >> exists on the server >> >> I have used both is_file and file_exists. >> >> If I use wrong case in the file name but the location/name >> is correct both the php functions return true. >> >> That would indicate that they are not case >> sensitive in matching a file name. >> >> How can I make them case sensitive? >> >> If I go to open and read or write to the >> file and it has wrong case in the file name >> I am expecting that the read/write or unlink, >> or other file processing function will not work. > >That depends on the file system (and is not particularly related to >PHP). Windows (NTFS) is case insensitive, Linux usually case >sensitive, >and AFAIK on MacOS this can be somehow configured. > >-- >Christoph M. Becker You might be able to use the new directory iterators: https://www.php.net/manual/en/class.recursivedirectoryiterator.php I've used them before, but never needed to test the case sensitivity of filenames. Thanks, Ash
