Impossible to display modification in shortcode code?

I’m pretty sure it’s this line: $this->function = static::className().’::getCallBack’; I believe this is going to be the name of the abstract class. You may want to try get_called_class() or something similar. Try logging the $this->function to see what the name of the class is.

How save data on user’s client cache

wp_cache_* methods are cached in either php memory or an object cache ( if available ) . It will never be available to be saved in the browser. If you want to save it on the browser side, you’ll need to use JavaScript. Local or Session storage are great for that https://caniuse.com/#feat=namevalue-storage

Leverage browser caching

Well mate you can try out the following code in .htaccess file. <IfModule mod_expires.c> ExpiresActive On ExpiresByType image/jpg “access 1 year” ExpiresByType image/jpeg “access 1 year” ExpiresByType image/gif “access 1 year” ExpiresByType image/png “access 1 year” ExpiresByType text/css “access 1 month” ExpiresByType text/html “access 1 month” ExpiresByType application/pdf “access 1 month” ExpiresByType text/x-javascript “access 1 … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)