Transliteration of image titles CYR-to-LAT OpenCart

Translates the file name from Cyrillic to Latin, converting all letters to lower case.

Prevents files from being overwritten (before downloading, a file name is checked for uniqueness).

Removes all characters (except -) and spaces from the name, which can also cause problems with moving files from the hosting.

The situation when transferring site files to a new hosting with incorrect encoding is very common. Most often, the fault is the server configuration, in which it is not possible to correctly transfer files with Cyrillic characters in the file names.