Note that how you would do this, as well as if it’s possible at all, are both unique to each and every single caching system/service/product/plugin. There is no one size fits all generic answer. Why does this happen? When you use a page caching mechanism, a version of the page is stored and then served … Read more
I eventually used a combination of update_option and WP Cron: // Create the option. update_option(‘foo’, ‘bar’, false); /** * Schedule it to be deleted one week from now. * * @param int Expiration timestamp * @param string Hook that will be invoked * @param string Params to send to the hook callback */ wp_schedule_single_event( time() … Read more
$body = get_transient( ‘my_api_response_value’ ); if ( false === $body ) { $url=”https://api.myapi.com/chart?ticker=” . $ticker . ”; $response = wp_remote_get($url); if (200 !== wp_remote_retrieve_response_code($response)) { return; } $body = wp_remote_retrieve_body($response); set_transient( ‘my_api_response_value’, $body, 5*MINUTE_IN_SECONDS ); } $formatted_json = json_decode($body, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); We submit a request at the beginning because the transient doesn’t … Read more
This is a perfect use case for Transients. In WordPress, transients are short-lived data objects. By default, they’re persisted to the database using WordPress’ built-in WP_Object_Cache object. However, you can use a variety of caching plugins (Batcache is an outstanding one that works with Memcached) to store Transients in memory. To set a transient, call … Read more
To answer the question why you can’t add the theme’s version to your CSS file, it’s likely because the Version property of $theme is private so you cannot access it directly, but you can access it through the public get function. Try this instead: $theme = wp_get_theme(); define(‘THEME_VERSION’, $theme->get(‘Version’)); You also don’t need to add … Read more
How I define max cache time to Google Fonts installed on my site
I figured it out. There’s a SiteGround Optimizer plugin that apparently does caching for the site. It’s bizarre. I deactivated the plugin, then reactivated it and all my changes appeared on the site when logged out. So weird.
There is no general method of doing this that works for all plugins. And no generic WordPress steps to take or officially supported paths. Each plugin requires a unique answer and solution that is very specific to that plugin. Some plugins may not support this, while others already depend on doing this. You would need … Read more
It’s hard to answer this given that each site is most likely different and each server is also configured differently. If these sites are individual WordPress installs then 1GB /30 sites is normal, an absolute bare minimum per site would be 32MB for apc.shm_size, this equals 960MB with no overhead. 32MB is in my opinion … Read more
Sorry for this but I found out in the end that my ISP was doing some kind of caching on their end. Had to phone them and explain the issue. When they started seeing it too, I kwen the problem was with them. Thanks for all the comments btw.