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;}