Options -Multiviews
RewriteEngine on

DirectoryIndex index.php

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

<Files accred_config.php>
	Require all denied
</Files>