WordPress在某些页面模板中禁用编辑器

/**
 * Remove the editor for specific page templates
 * Especially useful when using [Meta Boxes](http://metabox.io) to fully customise the UX
 *
 * Usage: adjust the template name (and folder) on line 38
 *
 * @source: //wordpress.stackexchange.com/a/91644/2015
 */
add_action( 'init', 'so_remove_editor' );
function so_remove_editor() {
    // If not in the admin, return.
    if ( ! is_admin() ) {
        return;
    }
    // Get the post ID on edit post with filter_input super global inspection.
    $current_post_id = filter_input( INPUT_GET, 'post', FILTER_SANITIZE_NUMBER_INT );
    // Get the post ID on update post with filter_input super global inspection.
    $update_post_id = filter_input( INPUT_POST, 'post_ID', FILTER_SANITIZE_NUMBER_INT );
    // Check to see if the post ID is set, else return.
    if ( isset( $current_post_id ) ) {
        $post_id = absint( $current_post_id );
    } else if ( isset( $update_post_id ) ) {
        $post_id = absint( $update_post_id );
    } else {
        return;
    }
    // Don't do anything unless there is a post_id.
    if ( isset( $post_id ) ) {
        // Get the template of the current post.
        $template_file = get_post_meta( $post_id, '_wp_page_template', true );
        // Example of removing page editor for page-your-template.php template.
        if (  'page-your-template.php' === $template_file ) {
            remove_post_type_support( 'page', 'editor' );
            // Other features can also be removed in addition to the editor. See: https://codex.wordpress.org/Function_Reference/remove_post_type_support.
            remove_post_type_support( 'page', 'thumbnail' );
        }
    }
}