If you use wp_head() in the header of your theme Wordpress generated a style tag for the Gutenberg block editor.

Who knows how you can get the generated css style tag with the styles without using wp_head()?

1 Answer 1


We can look at the source of the wp_head() function:

function wp_head() {
     * Prints scripts or data in the head tag on the front end.
     * @since 1.5.0
    do_action( 'wp_head' );

And see that it really only calls the wp_head hook. We can then look through the WordPress core code for hooked functions that output the styles. From what I could discern in wp-includes/default-filters.php, the main function could be wp_print_styles:

add_action( 'wp_head', 'wp_print_styles', 8 );

This is further supported when we look at the function description for wp_print_styles:

Displays styles that are in the $handles queue.

However, this will print out all enqueued CSS, not those only for blocks. You'd also want to ensure that all styles are enqueued too by ensuring wp_enqueue_scripts function has run (this is also hooked into wp_head).

If you need to only have CSS enqueued for blocks, you may need to look at hooking into hooks to determine if a CSS asset is enqueued from a block. For example, you could use the render_block hook to get a list of view_style_handles and style_handles. Plus, you'd want to look at styles rendered by various block supports.

  • The code that is responsibility is function wp_enqueue_classic_theme_styles() { if ( ! wp_theme_has_theme_json() ) { $suffix = wp_scripts_get_suffix(); wp_register_style( 'classic-theme-styles', '/' . WPINC . "/css/classic-themes$suffix.css" ); wp_style_add_data( 'classic-theme-styles', 'path', ABSPATH . WPINC . "/css/classic-themes$suffix.css" ); wp_enqueue_style( 'classic-theme-styles' ); } } But if I fire this function nothing is happening
    – Ruudje
    Commented May 6 at 22:53

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