Using WordPress ‘install_blog_defaults()’ PHP function
The `install_blog_defaults()` function in WordPress is used to set default settings for a new blog, including setting the language, time zone, and other general options
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Using WordPress ‘image_size_input_fields()’ PHP function
Retrieves HTML for the size radio buttons with the specified one checked.
Using WordPress ‘image_attachment_fields_to_save()’ PHP function
Was used to filter input from media_upload_form_handler() and to assign a default post_title from the file name if none supplied.
Using WordPress ‘heartbeat_autosave()’ PHP function
The `heartbeat_autosave()` function in WordPress is used for performing autosave with the Heartbeat API by sending an AJAX request to the server when the user has not interacted with the…