Steps To Remove index.php using .htaccess:-
Step:-1 Open the file config.php located in application/config path. Find and Replace the below code in config.php file.
// Find the below code
$config['index_page'] = "index.php"
// Remove index.php
$config['index_page'] = ""
Step:-2 Go to your CodeIgniter folder and create .htaccess file.
Path:
Your_website_folder/
application/
assets/
system/
user_guide/
.htaccess <--------- this file
index.php
license.txt
Step:-3 Write below code in .htaccess file
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]
</IfModule>
Step:-4 In some cases the default setting for uri_protocol does not work properly. To solve this issue just open the file config.php located in application/configand then find and replace the code as:
// Find the below code
$config['uri_protocol'] = "AUTO"
// Replace it as
$config['uri_protocol'] = "REQUEST_URI"