Get the WordPress Custom CSS using PHP

WordPress Custom CSS (from the Customizer panel) is stored in a Custom Post Type in the wp_posts database table. A reference to the Post ID is stored in the current themes “theme_mod” option value.

There’s a nice helper function called wp_get_custom_css_post to do this lookup and return the Post object:

$custom_css_post = wp_get_custom_css_post();
$custom_css = $custom_css_post ? custom_css_post->post_content : '';
echo $custom_css;


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