What should I do if ci hides index.php and it is invalid?

When using the ci framework for website development, we will encounter some problems, one of which is the problem of hiding index.php. If the correct configuration is not done, even if we hide index.php in the .htaccess file, a 404 error will still occur. So, how to solve this problem?

1. Configure the httpd.conf file

In the Apache configuration file, we can set the global configuration of the server, including setting the URL rewriting rules. By modifying the httpd.conf file and setting the value of the AllowOverride parameter to All, the rewrite rules of the .htaccess file can be allowed to take effect.

The specific steps are as follows:

1. Open Apache's configuration file httpd.conf, which is usually located in the conf folder under the Apache installation directory.
2. Find the following:

Options FollowSymLinks
AllowOverride None

Change the value of AllowOverride to All .

3. Save and close the file and restart the Apache server.

2. Modify the .htaccess file

After completing the above operations, we also need to add some rules to the .htaccess file to ensure that the URL rewriting function works properly.

The specific rules are as follows:

Turn on the URL rewriting function

RewriteEngine On

If the requested file or directory exists, access it directly

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

Redirect all requests to the index.php file

RewriteRule ^(.*)$ index. php/$1 [L]

After adding the above rules, save the .htaccess file and place it in the root directory of the website.

3. Clear the browser cache

When we modify the .htaccess file or perform global configuration, we also need to clear the browser cache to ensure that the new configuration takes effect. Otherwise, we will still encounter a 404 error when accessing the website in the browser.

We can achieve this by pressing the Ctrl F5 key combination in the browser, or manually clearing the browser's cache.

Summary

Hide index.php is a very useful feature when using the ci framework for website development. However, when doing this we need to pay attention to the configuration of the httpd.conf file and the settings of the .htaccess file rules, and clear the browser cache. Only in this way can we achieve the purpose of hiding index.php and ensure the normal operation of the website.

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