Documentation

Configuration / upload.overwrite

This options controls if you allow files to be overwritten or not.

You can also configure it to "rename", and if a file with the same name already exists, it will rename it to <filename>_2.<extension>

$moxieManagerConfig['upload.overwrite'] = true;

Possible values:

true If a file with same name exists, it will be overwritten.
false If a file with same name exists, error will be given and file not overwritten.
rename If a file with same name exists, new file will be renamed to unique file name.

Default value is FALSE.