Where is my php.ini? – used by WordPress import / export
For a LAMP (Linux, Apache, MySQL, PHP) installation php.ini could be in /etc directory or your wordpress home for example /var/www/html/wp-admin. To support WordPress import/export: In it I put: upload_max_filesize = 256Mpost_max_size = 64Mmemory_limit = 256Mfile_uploads = On