WP-Optimize – Updating String Translations Is Not Available Immediately on the Front-End

Overview of the Issue

When you use WP-Optimize for caching and update a previously-translated string, logged-out users aren’t able to see the change immediately. They will need to manually clear their cache to detect the changes.

Workaround

Please be sure to make a full backup of your site before proceeding.

1. Open your theme’s functions.php file.
2. Add the following code:

   add_action( 'wpml_st_add_string_translation', function() {
   	if ( class_exists( 'WPO_Page_Cache' ) ) {	
   		( new WPO_Page_Cache )->purge();
   	}
   });

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