@ini_set( 'upload_max_size' , '15M' );
@ini_set( 'post_max_size', '15M');
@ini_set( 'max_execution_time', '300' );

php_value upload_max_filesize 15M
php_value post_max_size 15M
php_value max_execution_time 300
php_value max_input_time 300

http {
  client_max_body_size 15m;
}

upload_max_filesize = 15M
post_max_size = 15M
max_execution_time = 300