mb_stripos

@@ -516,7 +516,7 @@ function isAiAutoMail($from,$subject,$body='',$return_keyword=false){
     foreach ($temp(1) as $f){
     foreach ($temp(1) as $f){
         list($t,$str) = $f;
         list($t,$str) = $f;
         $haystack = $haystacks[$t]??'';
         $haystack = $haystacks[$t]??'';
-        if($haystack && $str && stripos($haystack,$str)!==false){
+        if($haystack && $str && mb_stripos($haystack,$str)!==false){
             return 0;
             return 0;
         }
         }
     }
     }
@@ -525,7 +525,7 @@ function isAiAutoMail($from,$subject,$body='',$return_keyword=false){
     foreach ($temp() as $f){
     foreach ($temp() as $f){
         list($t,$str) = $f;
         list($t,$str) = $f;
         $haystack = $haystacks[$t]??'';
         $haystack = $haystacks[$t]??'';
-        if($haystack && $str && stripos($haystack,$str)!==false){
+        if($haystack && $str && mb_stripos($haystack,$str)!==false){
             if($return_keyword){
             if($return_keyword){
                 return $str;
                 return $str;
             }
             }