{"id":872,"date":"2012-09-24T22:11:50","date_gmt":"2012-09-25T08:11:50","guid":{"rendered":"http:\/\/mymonkeydo.com\/?p=872"},"modified":"2012-09-24T22:11:50","modified_gmt":"2012-09-25T08:11:50","slug":"caching-with-widgets","status":"publish","type":"post","link":"https:\/\/mymonkeydo.com\/caching-with-widgets\/","title":{"rendered":"Caching With Widgets"},"content":{"rendered":"<p>W3 Total Cache is a great WordPress plugin that will help your Google Page Speed score and will also speed up your website. \u00a0The only problem is that it doesn&#8217;t clear the cache when widgets are updated. \u00a0So for example if you have a custom theme with a widget on your page and you update this widget, changes are not going to be seen. \u00a0You&#8217;ll have to empty the cache on the W3 Total Cache page.<\/p>\n<p><a style=\"line-height: 1.5em;\" href=\"\/wpengine\/\">WPEngine<\/a><span style=\"line-height: 1.5em;\"> also has a caching system that doesn&#8217;t clear the cache upon editing widgets. \u00a0This means that every time you update a widget you have to manually clear the cache. \u00a0WPEngine is a <\/span><a style=\"line-height: 1.5em;\" title=\"WPEngine for WordPress Hosting Worth It?\" href=\"http:\/\/mymonkeydo.com\/wpengine-for-wordpress-hosting-worth-it\/\">great WordPress host<\/a><span style=\"line-height: 1.5em;\">, but doing something manually isn&#8217;t good for clients.<\/span><\/p>\n<p>A solution is to add a function to clear the cache every time the widget is updated. \u00a0The code below covers W3 Total Cache, WP Super Cache and WPEngine. \u00a0You can copy-paste it into your functions.php or just install the\u00a0<a href=\"http:\/\/wordpress.org\/plugins\/clear-cache-for-widgets\/\">Clear Cache For Widgets<\/a> plugin.<\/p>\n<pre class=\"brush: php; title: ; notranslate\" title=\"\">\nfunction clear_cache_for_widgets( $instance ) {\n\n\/\/ if W3 Total Cache is being used, clear the cache\nif ( function_exists( 'w3tc_pgcache_flush' ) ) {\nw3tc_pgcache_flush();\n}\n\/\/ if WP Super Cache is being used, clear the cache\nelse if ( function_exists( 'wp_cache_clean_cache' ) ) {\nglobal $file_prefix;\nwp_cache_clean_cache( $file_prefix );\n}\nelse if ( class_exists( 'WpeCommon' ) ) {\nWpeCommon::purge_memcached();\nWpeCommon::clear_maxcdn_cache();\nWpeCommon::purge_varnish_cache();\n}\n\nreturn $instance;\n}\nadd_filter( 'widget_update_callback', 'clear_cache_for_widgets', 10 );\n\n<\/pre>\n<p>Source:\u00a0<a href=\"http:\/\/scratch99.com\/wordpress\/development\/clearing-cache-when-widget-saved\/\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/scratch99.com\/wordpress\/development\/clearing-cache-when-widget-saved\/<\/a><br \/>\n<a href=\"http:\/\/wordpress.stackexchange.com\/questions\/25425\/page-cache-for-categories-not-updating-with-w3-total-cache\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/wordpress.stackexchange.com\/questions\/25425\/page-cache-for-categories-not-updating-with-w3-total-cache<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[2,4],"tags":[25,53,54,64,65],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - 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