[code]location ~ ^/(.*\.php)$ {[/code]
замени на
[code]location ~ \.php$ {[/code]
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param DOCUMENT_ROOT /home/webmaster/prmtupdates/scripts;
местами поменять не пробовал?
Posted at Nginx Forum: http://forum.nginx.org/read.php?21,94033,94056#msg-94056