# Global error pages
error_page 403 /403.html;
error_page 404 /404.html;
error_page 500 502 504 /50x.html;
error_page 503 /503.html;

# Global error handler locations
location = /403.html {
    internal;
    try_files 
        $document_root/403.php 
        $document_root/403.html 
        /var/www/error-pages/403.php 
        /var/www/error-pages/403.html 
        =403;
    fastcgi_intercept_errors on;
}

location = /404.html {
    internal;
    try_files 
        $document_root/404.php 
        $document_root/404.html 
        /var/www/error-pages/404.php 
        /var/www/error-pages/404.html 
        =404;
    fastcgi_intercept_errors on;
}

location = /503.html {
    internal;
    try_files 
        $document_root/503.php 
        $document_root/503.html 
        /var/www/error-pages/503.php 
        /var/www/error-pages/503.html 
        =503;
    fastcgi_intercept_errors on;
}

location = /50x.html {
    internal;
    try_files 
        $document_root/50x.php 
        $document_root/50x.html 
        /var/www/error-pages/50x.php 
        /var/www/error-pages/50x.html 
        =500;
    fastcgi_intercept_errors on;
}

# PHP handling for error pages
location ~ ^/(?:403|404|503|50x)\.php$ {
    internal;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $request_filename;
    fastcgi_pass unix:/var/run/php/php-fpm.sock;  # Adjust this path as needed
}