What is WordPress Hook: mce_css
The mce_css hook in WordPress is used to add custom stylesheets to the TinyMCE editor, which is the visual editor used for creating and editing content within WordPress.
Understanding the Hook: mce_css
The mce_css hook is located within the functions.php file of a WordPress theme or in a custom plugin. It allows developers to add custom stylesheets to the TinyMCE editor, providing additional styling options for content creation.
Hook Parameters (if applicable): mce_css
The mce_css hook does not accept any arguments or parameters.
Hook Doesn’t Work: mce_css
If the mce_css hook doesn’t work as expected, it may be due to incorrect implementation within the theme or plugin. Ensure that the hook is added correctly and that the custom stylesheets are properly formatted. Additionally, check for any conflicts with other plugins or themes that may be affecting the functionality of the hook.
Best Practices & Usage Notes (if applicable): mce_css
When using the mce_css hook, it’s important to note that the custom stylesheets added to the TinyMCE editor should be well-organized and only include necessary styles to avoid bloating the editor with unnecessary CSS. Additionally, it’s recommended to thoroughly test the custom stylesheets to ensure they display correctly within the editor.
Usage Example: mce_css
“`php
function custom_mce_css($mce_css) {
if ( ! empty( $mce_css ) )
$mce_css .= ‘,’;
$mce_css .= get_template_directory_uri() . ‘/editor-styles.css’;
return $mce_css;
}
add_filter( ‘mce_css’, ‘custom_mce_css’ );
“`
