.htaccess - Mod Rewrite: I want to redirect all requests to index page unless the file exists (but not if the file is a php file) -

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i have .htaccess file right now. sends index page unless wanted real file. sort of want, dont want able access .php file. have:

rewriteengine on rewritecond %{request_filename} !-f [nc] rewriterule ^(.*) /index.php [nc]

but want:

if(file_exists(request) && !request.endswith(".php"))     not redirect request else     redirect index page

this tried:

rewriteengine on rewritecond %{request_filename} !-f [nc] rewriterule !(\.php)$ /index.php [nc]

but if type in real location of php file, still tries load it. can add few lines top of every single php file asking php_self is. if php_self isnt index.php, redirect them index page. think .htacess can better.

i think need tolook @ custom 404 (file not found) redirect rather checking if file exists


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