How to clear the cache?

I have made changes in my CSS, but it doesn’t work. I know it’s because of caching from admin panel.

How to clear cache of my WordPress admin. Is there any method to clear the cache?

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Have you looked at WP_Object_Cache?

If you suspect there is unwanted caching happening in the code that generates the admin panel then you might be able to use functions from the WP_Object_Cache to clear it.

WP_Object_Cache is WordPress’ class for caching data which may be
computationally expensive to regenerate, such as the result of complex database queries.

Try the function wp_cache_flush() which clears all cached data.

I wonder why not you Googled and solved it first?

Unlike Drupal, WordPress by default doesn’t have any Mass-Caching. The problem you are facing is well cited here:

  • I Make Changes and Nothing Happens

But for a quick check, open the wp-config.php (In the root of your WP installation, where there are three folders: wp-admin, wp-content, and wp-includes present) and check if 'WP_CACHE' is 'true'. Just make it 'false':

define('WP_CACHE', 'false');

Or, you can simply remove the line. (The WP_CACHE is better cited in this article.)

If you are using any plugin for Caching, then the settings panel of the plugin will have a “Clear Cache” button. As per as I know, WP Super Cache Plugin has such button.