How to remove index.php from url in codeigniter?

@denis 

To remove index.php from the URL in CodeIgniter, you need to make sure that mod_rewrite is enabled in your Apache configuration and that you have an .htaccess file in your CodeIgniter root directory.

1. Enable mod_rewrite in Apache: Open the Apache configuration file (usually located at /etc/httpd/httpd.conf or /etc/apache2/apache2.conf). Search for the line LoadModule rewrite_module modules/mod_rewrite.so and make sure it is not commented out (remove the # if it is). Save the configuration file and restart Apache.
2. Create an .htaccess file in your CodeIgniter root directory: Create a new file named .htaccess in your CodeIgniter root directory if it doesn't already exist. Add the following code to the .htaccess file:

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<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ index.php/$1 [L]
</IfModule>

1. Configure your CodeIgniter config.php file: Open the config.php file located in application/config/ directory of your CodeIgniter installation. Find the following line: $config['index_page'] = 'index.php'; and change it to $config['index_page'] = '';

With these steps, index.php should be removed from the URL in your CodeIgniter application. Make sure to test your application thoroughly to ensure that everything is working correctly.