How can I remove part of URL using .htaccess

I have a link https://example.com/src/index.php, and want index.php, and other pages, which are in src folder, to be accessible without src in the URL.

My .htaccess file:

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^([^\.]+)$ $1.php [NC,L]
RewriteRule ^([^\.]+)$ $1.html [NC,L]

Solution

You can do this using mod_rewrite in the root .htaccess file. For example:

# Serve file from "/src" subdirectory if it exists
RewriteCond %{DOCUMENT_ROOT}/src/$0 -f
RewriteRule ^.+\.\w{2,4}$ src/$0 [L]

If you request /index.php and this file exists at /src/index.php then it will internally rewrite the request to that subdirectory.

The regex ^.+\.\w{2,4}$ matches only files (ie. URLs that include a file extension).

$0 is a backreference to the URL-path that is matched by the RewriteRule pattern.

If a file happened to exist in both places then the file in the /src subdirectory would take priority.