nginx automatic configuration for laravel, kohana, symfony projects

auto.conf

server {
    listen 80;
    server_name "~^((?<subdomain>.+)\.)?(?<domain>.+)\.loc$";
    set $projects_dir /var/www;
    set $project_dir $projects_dir/$domain;
    if (-d $projects_dir/$subdomain.$domain) {
        set $project_dir $projects_dir/$subdomain.$domain; 
    }
    set $index index.php;
    set $root_dir $project_dir/public;
    if (-f $project_dir/public/index.php) {
        set $root_dir $project_dir/public;
        set $index index.php;
    }
    if (-f $project_dir/wwwroot/index.php) {
        set $root_dir $project_dir/wwwroot;
        set $index index.php;
    }
    if (-f $project_dir/web/app_dev.php) {
        set $root_dir $project_dir/web;
        set $index app_dev.php;
    }
    if (-f $project_dir/index.php) {
        set $root_dir $project_dir;
        set $index index.php;
    }
    index $index;
    root $root_dir;

    location @rewrites {
        rewrite ^/(.*)$ /$index last;
    }

    location ~ ^/cache {
        try_files $uri @rewrites;
        expires 30d;
    }

    location / {
        charset utf-8;
        try_files $uri $uri/ @rewrites;
    }

    location ~ \.php$ {
        fastcgi_pass unix://var/run/php/php7.0-fpm.sock;
        fastcgi_index $index;
        fastcgi_param SCRIPT_FILENAME $document_root/$fastcgi_script_name;
        include fastcgi_params;
        break;
    }
}