By default, you can upload 20 files via a single request. If you want to upload more than 20 files, you should need to modify the max_file_uploads variable value in php.ini file. max_file_uploads variable holds the maximum number of files that can be uploaded via a single request.
... user_dir = enable_dl = Off cgi.fix_pathinfo=0 file_uploads = On upload_max_filesize = 7650M always_populate_raw_post_data=-1 max_input_nesting_level = 128 max_file_uploads = 20 allow_url_fopen = On allow_url_include = Off default_socket_timeout = 60 cli_server.color = On ...
