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魔扣科技开发的部分主题里会有前端头像上传的功能,那么怎么才能让头像同步后台与前端呢?我们这里去除默认的头像,用固定的某张图片代替,大大加快加载速度。 代码如下: - add_filter('get_avatar', 'MBT_get_avatar', 10, 3);
- function MBT_get_avatar($avatar, $id_or_email, $size){
- $default_avatar = get_bloginfo('template_url').'/img/avatar.png'; //默认头像
- if(is_object($id_or_email)) {
- if($id_or_email->user_id != 0) {
- $email = $id_or_email->user_id;
- $user = get_user_by('email',$email);
- $user_avatar = get_user_meta($id_or_email->user_id, 'avatar', true);
- if($user_avatar)
- return '<img src="'.$user_avatar.'" class="avatar avatar-'.$size.' photo" width="'.$size.'" height="'.$size.'" alt="'.$user->display_name .'" />';
- else
- return '<img src="'.$default_avatar.'" class="avatar avatar-'.$size.' photo" width="'.$size.'" height="'.$size.'" alt="'.$user->display_name .'" />';
-
- }elseif(!empty($id_or_email->comment_author_email)) {
- //$user = get_user_by('email', $id_or_email->comment_author_email);
- //$email = !empty($user) ? $user->ID : $id_or_email->comment_author_email;
- return '<img src="'.$default_avatar.'" class="avatar avatar-'.$size.' photo" width="'.$size.'" height="'.$size.'" alt="'.$user->display_name .'" />';
- }
- }else{
- if(is_numeric($id_or_email) && $id_or_email > 0){
- $user = get_user_by('id',$id_or_email);
- $user_avatar = get_user_meta($id_or_email, 'avatar', true);
- if($user_avatar)
- return '<img src="'.$user_avatar.'" class="avatar avatar-'.$size.' photo" width="'.$size.'" height="'.$size.'" alt="'.$user->display_name .'" />';
- else
- return '<img src="'.$default_avatar.'" class="avatar avatar-'.$size.' photo" width="'.$size.'" height="'.$size.'" alt="'.$user->display_name .'" />';
- }elseif(is_email($id_or_email)){
- $user = get_user_by('email',$id_or_email);
- $user_avatar = get_user_meta($user->ID, 'avatar', true);
- if($user_avatar)
- return '<img src="'.$user_avatar.'" class="avatar avatar-'.$size.' photo" width="'.$size.'" height="'.$size.'" alt="'.$user->display_name .'" />';
- else
- return '<img src="'.$default_avatar.'" class="avatar avatar-'.$size.' photo" width="'.$size.'" height="'.$size.'" alt="'.$user->display_name .'" />';
- }else{
- return '<img src="'.$default_avatar.'" class="avatar avatar-'.$size.' photo" width="'.$size.'" height="'.$size.'" alt="" />';
- }
- }
- return $avatar;
- }
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