织梦调用文档文章图片数量方法

function BodyImgNum($aid) 

{ 

      global $dsql;

      $sql = "select aid,body from dede_addonarticle  where aid='$aid' ";

      $arcRow = $dsql->GetOne($sql);

      $body = $arcRow['body'];

     $img_array = array(); 

      $patte="/<[img|IMG].*?src=[\'|\"](.*?(?:[\.gif|\.jpg]))[\'|\"].*?[\/]?>/i"; 

     preg_match_all($patte,$body,$img_array); 

     $img_array = array_unique($img_array[1]); 

     $num = count($img_array);

     return $num;

}