get_avatar_url() public static method

Centralize the function here until it gets added to core.
public static get_avatar_url ( integer | string | object $id_or_email, integer $size = 96, string $default = '', boolean $force_display = false ) : array
$id_or_email integer | string | object A user ID, email address, or comment object
$size integer Size of the avatar image
$default string URL to a default image to use if no avatar is available
$force_display boolean Whether to force it to return an avatar even if show_avatars is disabled
return array First element is the URL, second is the class.
コード例 #1
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/**
 * Gather data about the current user.
 *
 * @since 4.1.0
 *
 * @return array
 */
function jetpack_current_user_data()
{
    global $current_user;
    $is_master_user = $current_user->ID == Jetpack_Options::get_option('master_user');
    $dotcom_data = Jetpack::get_connected_user_data();
    // Add connected user gravatar to the returned dotcom_data
    $avatar_data = Jetpack::get_avatar_url($dotcom_data['email']);
    $dotcom_data['avatar'] = $avatar_data[0];
    $current_user_data = array('isConnected' => Jetpack::is_user_connected($current_user->ID), 'isMaster' => $is_master_user, 'username' => $current_user->user_login, 'wpcomUser' => $dotcom_data, 'gravatar' => get_avatar($current_user->ID, 40), 'permissions' => array('admin_page' => current_user_can('jetpack_admin_page'), 'connect' => current_user_can('jetpack_connect'), 'disconnect' => current_user_can('jetpack_disconnect'), 'manage_modules' => current_user_can('jetpack_manage_modules'), 'network_admin' => current_user_can('jetpack_network_admin_page'), 'network_sites_page' => current_user_can('jetpack_network_sites_page'), 'edit_posts' => current_user_can('edit_posts'), 'manage_options' => current_user_can('manage_options'), 'view_stats' => current_user_can('view_stats'), 'manage_plugins' => current_user_can('install_plugins') && current_user_can('activate_plugins') && current_user_can('update_plugins') && current_user_can('delete_plugins')));
    return $current_user_data;
}