Parameters

$avatar

(string) HTML for the user's avatar.

$id_or_email

(mixed) The avatar to retrieve. Accepts a user_id, Gravatar MD5 hash, user email, WP_User object, WP_Post object, or WP_Comment object.

$size

(int) Square avatar width and height in pixels to retrieve.

$default

(string) URL for the default image or a default type. Accepts '404', 'retro', 'monsterid', 'wavatar', 'indenticon', 'mystery', 'mm', 'mysteryman', 'blank', or 'gravatar_default'. Default is the value of the 'avatar_default' option, with a fallback of 'mystery'.

$alt

(string) Alternative text to use in the avatar image tag. Default empty.

$args

(array) Arguments passed to get_avatar_data(), after processing.