php正規過濾html標籤、空格、換行符的程式碼附說明

複製程式碼 程式碼如下:

$str=preg_replace("/s+/", " ", $str); //過濾多餘回車
$str=preg_replace("/$str=preg_replace ("//si","",$str); //註解
$str=preg_replace("//si"," ",$str); //過濾DOCTYPE
$str=preg_replace("//si","",$str); //過濾html標籤
$ str=preg_replace("//si","",$str); //過濾head標籤
$str=preg_replace("//si","",$str); //過濾meta標籤
$str=preg_replace("//si","",$str); / /過濾body標籤
$str=preg_replace("//si","",$str); //過濾link標籤
$str=preg_replace("/ /si","",$str); //過濾form標籤
$str=preg_replace("/cookie/si","COOKIE",$str); / /過濾COOKIE標籤
$str=preg_replace("/(.*?)/si","",$str); //過濾applet標籤
$str=preg_replace("//si","",$str); //過濾applet標籤
$str=preg_replace("/(.*?)/si","",$str); //過濾style標籤
$str=preg_replace("//si","",$str); //過濾style標籤
$str=preg_replace("/(.*?)/si","",$str); //過濾title標籤
$str=preg_replace("//si","",$str) ; //過濾title標籤
$str=preg_replace("/(.*?)/si","",$str); / /過濾object標籤
$str=preg_replace("//si","",$str); //過濾object標籤
$str=preg_replace("/ (.*?)/si","",$str); //過濾noframes標籤
$str=preg_replace("//si","",$str); //過濾noframes標籤
$str=preg_replace("/(.*?)/si","",$str); //過濾frame標籤
$str=preg_replace("//si ","",$str); //過濾frame標籤
$str=preg_replace("/(.*?)/si", "",$str); //過濾script標籤
$str=preg_replace("//si","",$str); //過濾script標籤
$str=preg_replace("/javascript/si","Javascript",$str); //過濾script標籤
$str=preg_replace("/vbscript/si","Vbscript",$str); / /過濾script標籤
$str=preg_replace("/on([a-z]+)s*=/si","On\1=",$str); //過濾script標籤
$str= preg_replace("//si","&＃",$str); //過濾script標籤，如javAsCript:alert(

以上就介紹了 php正規過濾html標籤、空格、換行符的程式碼附說明，包含了方面的內容，希望對PHP教學有興趣的朋友有幫助。