wp_cache_flush() This is an built-in WordPress function used to clear all data from the cache. Its function prototype is as follows:
wp_cache_flush()When you call this function, all data in the WordPress caching system will be deleted, including those generated by wp_cache_set() Stored data and other types of cached data.
wp_cache_flush() The `clear-cache` function is commonly used to purge the cache, ensuring that the website can display the latest data. For example, when you modify a WordPress theme, plugin, or page content, you may need to clear the cache so that users can see the updated page appearance.
Note: Call. wp_cache_flush() This function can impact website performance as it clears all data from the cache. Therefore, it is recommended to use it only when necessary—for example, after modifying themes or plugins, or when performing large-scale data imports or updates.
If you only need to clear specific cached data, you can use this method. wp_cache_delete() Deletes specified cached data.
