How to hide custom fields for non-admin users in the WordPress admin area

To hide custom fields for non-admin users in the WordPress admin area, you can use the admin_head action hook and CSS to hide the Custom Fields metabox. Add the following code snippet to your theme’s functions.php file:

1. In your WordPress admin dashboard, go to “Appearance” > “Theme Editor.”
2. In the right sidebar, locate and click on the “functions.php” file.
3. Add the following code snippet at the end of the file:

function hide_custom_fields_for_non_admins() {
// Check if the current user is not an admin
if (!current_user_can('manage_options')) {
echo '<style>
/* Hide the Custom Fields metabox */
#postcustom { display: none !important; }
</style>';
}
}
add_action('admin_head', 'hide_custom_fields_for_non_admins');

This code snippet creates a function called hide_custom_fields_for_non_admins() that checks if the current user is not an admin. If the user is not an admin, it adds CSS to hide the Custom Fields metabox in the admin area.

4. Click “Update File” to save the changes.

Now, the Custom Fields metabox will be hidden for non-admin users in the WordPress admin area.

Remember to always backup your files before making any changes, and test your changes on a staging site or local development environment before applying them to your live site.