1

@@ -91,7 +91,7 @@ class Body {
         }
         else{
             // qq的是base64
-            if(rtrim($body,'=') == rtrim(base64_encode(base64_decode($body)),'=')){
+            if(MailFun::isBase64($body)){
                 $this->setItem(['type'=>'text/plain','body'=>base64_decode($body)]);
             }else{
                 $this->setItem(['type'=>'text/plain','body'=>$body]);

@@ -330,15 +330,8 @@ class Mail {
             foreach ($body as $key=>$item){
                 if(!$description && in_array($item['type']??'',['text/html','text/plain'])){
 
-                    // 是否是base64
-                    $value = @base64_decode($item['body']);
-
-                    if(!$value){
-                        $value = $item['body'];
-                    }
-
                     if(!empty($item['charset'])){
-                        $value = iconv($item['charset'],'utf-8',$value);
+                        $value = iconv($item['charset'],'utf-8',$item['body']);
                     }
                     $value=preg_replace("/<(script.*?)>(.*?)<(\/script.*?)>/si","",$value); //过滤script标签
                     $value=preg_replace("/<(\/?script.*?)>/si","",$value); //过滤script标签
@@ -349,6 +342,7 @@ class Mail {
                     $value = strip_tags($value);
                     $value = str_replace(["\n",' ',"\\n","&nbsp;"],'',$value);
                     $description = mb_substr(trim($value),0,190);
+
                 }
 
                 if(!empty($body[$key]['body'])){

@@ -195,4 +195,16 @@ class MailFun {
         return mb_convert_encoding($folder,'UTF7-IMAP','UTF-8');
     }
 
+    /**
+     * 是否是base64
+     * @param $str
+     * @return bool
+     * @author：dc
+     * @time 2023/4/3 10:24
+     */
+    public static function isBase64($str){
+        $oldStr = str_replace([' ',"\n","\r"],'',rtrim($str,'='));
+        return $oldStr == base64_encode(base64_decode($str));
+    }
+
 }