Using WordPress ‘has_shortcode()’ PHP function
Determines whether the passed content contains the specified shortcode.
HTTPS
Using WordPress ‘has_blocks()’ PHP function
Determines whether a post or content string has blocks.
Using WordPress ‘get_the_author_firstname()’ PHP function
Retrieve the first name of the author of the current post.
Using WordPress ‘get_user_option()’ PHP function
Retrieves user option that can be either per Site or per Network.