charset utf-8;
index index.php index.html index.htm;
root $vhost_root;

location / {
    try_files $uri $uri/ /index.php?$args;
}

location ~ \.php$ {
    fastcgi_buffers 16 16k;
    fastcgi_buffer_size 32k;
    fastcgi_pass $php_backend;
    fastcgi_index index.php;
    fastcgi_param SCRIPT_FILENAME $document_root/$fastcgi_script_name;
    include fastcgi_params;
}