What is WordPress Hook: oembed_discovery_links
The oembed_discovery_links hook in WordPress is used to add oEmbed discovery links to the website’s header. These links are used by web browsers and other tools to discover the location of oEmbed resources for the website.
Understanding the Hook: oembed_discovery_links
The oembed_discovery_links hook is located within the WordPress process that generates the header of the website. It is typically used in the theme’s functions.php file or in a custom plugin to add the necessary oEmbed discovery links to the header.
Hook Parameters (if applicable): oembed_discovery_links
The oembed_discovery_links hook does not accept any arguments or parameters. It simply triggers the addition of oEmbed discovery links to the website’s header.
Hook Doesn’t Work: oembed_discovery_links
If the oembed_discovery_links hook doesn’t work as expected, it may be due to a conflict with another plugin or theme that is also adding oEmbed discovery links. It is recommended to deactivate other plugins or switch to a default theme to troubleshoot the issue.
Best Practices & Usage Notes (if applicable): oembed_discovery_links
When using the oembed_discovery_links hook, it is important to note that adding duplicate oEmbed discovery links can cause issues with the website’s performance and compatibility with oEmbed consumers. It is best practice to only use this hook if the theme or plugin does not already add oEmbed discovery links.
oembed_discovery_links Usage Example: oembed_discovery_links
“`php
function add_oembed_discovery_links() {
add_action( ‘wp_head’, ‘wp_oembed_add_discovery_links’ );
}
add_action( ‘init’, ‘add_oembed_discovery_links’ );
“`