The get_avatar() WordPress PHP function retrieves the avatar <img> tag for a user, email address, MD5 hash, comment, or post.
Usage
echo get_avatar($id_or_email, $size = 96, $default_value = '', $alt = '', $args = null);
Parameters
$id_or_email(mixed, required): The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, user email, WP_User object, WP_Post object, or WP_Comment object.$size(int, optional): Height and width of the avatar image file in pixels. Default is 96.$default_value(string, optional): URL for the default image or a default type. Default is the value of the ‘avatar_default’ option, with a fallback of ‘mystery’.$alt(string, optional): Alternative text to use in the<img>tag. Default is an empty string.$args(array, optional): Extra arguments to retrieve the avatar.
More information
See WordPress Developer Resources: get_avatar()
Examples
Display an author’s avatar in The Loop
This code retrieves and displays the avatar of a post’s author using their user ID.
echo get_avatar(get_the_author_meta('ID'), 32);
Display a comment author’s avatar
This code retrieves and displays the avatar of a comment author.
echo get_avatar($comment, 32);
Display avatar for a random email address
This code retrieves and displays the avatar for a given email address.
echo get_avatar('[email protected]', 32);
Add a custom class to the avatar <img> tag
This code retrieves and displays the avatar with a custom class added to the <img> element.
echo get_avatar(get_the_author_meta('ID'), 60, '', '', array('class' => 'wt-author-img'));
Display avatar with a custom default image
This code retrieves and displays the avatar with a custom default image URL.
echo get_avatar(get_the_author_meta('ID'), 48, 'https://example.com/default-avatar.png');