.htaccess

Options -Indexes
RewriteEngine On
RewriteBase /

# Exit the rule chain when showing error pages
RewriteRule ^error/403.php$ - [L]
RewriteRule ^error/404.php$ - [L]

# Append '.php' to every request 
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^ %{REQUEST_FILENAME}.php [L]

# Show 404 error page when original request ends with '.php'
RewriteCond %{THE_REQUEST} \.php
RewriteRule \.php.*$ - [L,R=404]

# Custom error 
ErrorDocument 403 /error/403
ErrorDocument 404 /error/404

# Set additional extension as php file
#AddType application/x-httpd-php .asp .py .pl

# Set default start page
#DirectoryIndex index.php

#RewriteCond %{REQUEST_FILENAME} !-d
#RewriteCond %{REQUEST_FILENAME}\.php -f
#RewriteRule ^(.+)$ $1.php [L]