<?php
if ( is_user_logged_in() ):
$current_user = wp_get_current_user();
if ( ($current_user instanceof WP_User) ) {
echo get_avatar( $current_user->user_email, 32 );
} else {
echo '<img alt="" src="http://yourdomain.com/img/avatar.png" class="avatar" width="24" height="24">';
}
endif;
?>
یا
<?php if (is_user_logged_in()) {
$avatar = get_avatar( $user_id, 26 );
echo $avatar;
}
else {
echo '<img alt="" src="http://yourdomain.com/img/avatar.png" class="avatar" width="24" height="24">';
}
?>