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Ever wondered what happens after WordPress fetches the post thumbnail HTML? Well, that’s where the end_fetch_post_thumbnail_html action hook comes to the rescue. This hook is super handy when you want to execute custom code right after the post thumbnail is fetched. The good news is, implementing this is pretty straightforward. You just need to register it using add_action, which you can do either in your theme’s functions.php file or through a custom WordPress plugin. Personally, I prefer creating a custom plugin to avoid any issues during theme updates.
Live Example 1: Basic Usage
Here’s a basic example of how you can use this hook. It includes a function that takes three parameters and gets registered using add_action.
function weplugins_execute_on_end_fetch_post_thumbnail_html_event($post_id, $post_thumbnail_id, $size){ // Custom functionality here } // Add the action add_action("end_fetch_post_thumbnail_html", "weplugins_execute_on_end_fetch_post_thumbnail_html_event", 10, 3);
Live Example 2: Removing a Hook
Sometimes, you might need to remove a previously registered hook. Here’s how you can do it using remove_action.
remove_action("end_fetch_post_thumbnail_html", "weplugins_execute_on_end_fetch_post_thumbnail_html_event", 10, 3);
Remember, you need to provide the same callback function name, priority, and number of arguments when removing the hook.
Live Example 3: Custom Image Size Handling
This example demonstrates handling custom image sizes when the post thumbnail HTML is fetched.
function weplugins_custom_thumbnail_size($post_id, $post_thumbnail_id, $size){ if(is_array($size)){ // Handle custom image size array } else { // Handle predefined size } } add_action("end_fetch_post_thumbnail_html", "weplugins_custom_thumbnail_size", 10, 3);
Now, if you’re facing any challenges using this hook or need some customization, don’t hesitate to reach out to us. Our team is eager to help you with any WordPress development needs.
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