1 function BodyImgNum($aid)  2 {  3     global $dsql; 4     $sql = "select aid,body from dede_addonarticle  where aid=‘$aid‘ "; 5     $arcRow = $dsql->GetOne($sql); 6     $body = $arcRow[‘body‘]; 7     $img_array = array();  8     $patte="/<[img|IMG].*?src=http://www.mamicode.com/[/‘|/"](.*?(?:[\.gif|\.jpg]))[\‘|\"].*?[\/]?>/i";  9  10     preg_match_all($patte,$body,$img_array); 11     $img_array = array_unique($img_array[1]); 12     $num = count($img_array);13     return $num; 14     15 }