emlog获取文章外链图片数量与数据库上传图片数量

<?php
function f162_imgcount($content){
//正则获取文章内的外链图片数量
preg_match_all("|<img[^>]+src=\"([^>\"]+)\"?[^>]*>|is", $content, $imgarr);
$result = $imgarr[1];
return count($result);
}
function f162_filecount($logid){
//查询数据库统计文章内上传的图片数量
$db = Database::getInstance();
$sql = "SELECT COUNT(*) AS `filepath` FROM ".DB_PREFIX."attachment WHERE blogid=$logid AND (`filepath` LIKE '%jpg' OR `filepath` LIKE '%gif' OR `filepath` LIKE '%png' OR `filepath` LIKE '%jpeg') and `filepath` not like '%thum-%' ORDER BY `aid` asc";
$result = $db->fetch_array($db->query($sql));
$count = $result['filepath'];
return $count;
}
?>