function clearHtml($content){
$content=preg_replace("/<a[^>]*>/i","",$content);
$content=preg_replace("/</a>/i","",$content);
$content=preg_replace("/<div[^>]*>/i","",$content);
$content=preg_replace("/</div>/i","",$content);
$content=preg_replace("/<!--[^>]*-->/i","",$content);//注釋內容
$content=preg_replace("/style=.+?['|"]/i",'',$content);//去除樣式
$content=preg_replace("/class=.+?['|"]/i",'',$content);//去除樣式
$content=preg_replace("/id=.+?['|"]/i",'',$content);//去除樣式
$content=preg_replace("/lang=.+?['|"]/i",'',$content);//去除樣式
$content=preg_replace("/width=.+?['|"]/i",'',$content);//去除樣式
$content=preg_replace("/height=.+?['|"]/i",'',$content);//去除樣式
$content=preg_replace("/border=.+?['|"]/i",'',$content);//去除樣式
$content=preg_replace("/face=.+?['|"]/i",'',$content);//去除樣式
$content=preg_replace("/face=.+?['|"]/",'',$content);//去除樣式 只允許小寫 正則匹配沒有帶 i 參數
return $content;
}
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