Using WordPress ‘install_theme_information()’ PHP function
Learn how to use the WordPress 'install_theme_information()' PHP function to display theme information in various ways such as a dialog box or on an admin page
add_shortcode
Using WordPress ‘media_upload_library()’ PHP function
Retrieves the legacy media library form in an iframe.
Using WordPress ‘print_emoji_detection_script()’ PHP function
Prints the inline Emoji detection script if it is not already printed.