sono andato a vedere nel sito doc mi dice:
The php.ini file contains all the configuration settings for your installation. Sometimes these setting might be overridden by directives in apache .htaccess files or even with in the scripts themselves but for the moment let's just concentrate on the ini file.
This file contains the following settings that we need to modify
file_uploads
upload_max_filesize
max_input_time
memory_limit
max_execution_time
post_max_size
The first one is fairly obvious if you
io non ho questo files devo chiamare l'hosting o posso fare da solo

grazie