What is WordPress Hook: mce_external_plugins
The mce_external_plugins hook in WordPress is used to add custom TinyMCE external plugins to the visual editor. This allows developers to extend the functionality of the visual editor by adding their own custom plugins.
Understanding the Hook: mce_external_plugins
The mce_external_plugins hook is located within the WordPress process that handles the initialization of the TinyMCE visual editor. It provides a way for developers to register their custom external plugins and integrate them seamlessly into the visual editor.
Hook Parameters (if applicable): mce_external_plugins
The mce_external_plugins hook accepts an array of key-value pairs, where the key is the name of the plugin and the value is the URL to the JavaScript file that contains the plugin code. This allows developers to specify which external plugins should be loaded into the visual editor and where to find their respective JavaScript files.
Hook Doesn’t Work: mce_external_plugins
If the mce_external_plugins hook doesn’t seem to be working, it could be due to incorrect registration of the external plugins or errors in the JavaScript files that contain the plugin code. It’s important to double-check the syntax and file paths when using this hook.
Best Practices & Usage Notes (if applicable): mce_external_plugins
When using the mce_external_plugins hook, it’s important to keep in mind that external plugins added through this hook will only be loaded in the visual editor. Additionally, developers should ensure that the JavaScript files containing the plugin code are properly enqueued and accessible to the visual editor.
Usage Example: mce_external_plugins
“`php
function custom_tinymce_plugins($plugins) {
$plugins[‘customplugin’] = ‘https://example.com/customplugin.js’;
return $plugins;
}
add_filter(‘mce_external_plugins’, ‘custom_tinymce_plugins’);
“`
In this example, the mce_external_plugins hook is used to add a custom external plugin named “customplugin” to the TinyMCE visual editor, with the corresponding JavaScript file located at “https://example.com/customplugin.js”.
