PHP開發的UBB功能

<?

//需要的朋友轉載請保留以下信息
//版權所有[email protected]  歡迎轉載
//首次發佈在 http://blog.csdn.net/alpsboy
//實現了大多UBB tag的功能,使用時將本代碼包函到相關頁面，直接調用$ubb->parse()即可

 function statics($content){
  $tags = array (
    "b","i","u","s","tt","strong","em",
    "sup","sub",
    "small","big","blink",
    "left","center","right",   
    "h1","h2","h3","h4","h5","h6",
    
    );
  foreach($tags as $value){
   if($value=="left" || $value=="center" || $value=="right"){
    $content = eregi_replace("[".$value."]","

",$content);
    $content = eregi_replace("[/".$value."]","

",$content);   
   }
   else{
    $content = eregi_replace("[".$value."]","<".$value.">",$content);
    $content = eregi_replace("[/".$value."]","",$content);
   }
  }
  return $content;
 }
 function dealurl($content){
  //將[url]替換爲超鏈接
  $ret = eregi_replace("(]+://[^<>[]+)(])([^<>[]+)()","/4", $content);
  return $ret;
 
 }
 function dealimg($content){
  //
  $ret = eregi_replace("([img=)([^<>[]+)(])([/img])","[img]/2[/img]",$content);
  return $ret;
 }
 function dealemail($content){
  $ret = eregi_replace("([email=)([[:alpha:]]+@[^<>[]+)(])([^<>[]+)([/email])","/4",$content);
  return $ret;
 }
 function dealfont($content){
  $ret = eregi_replace("([color=)([^[]+)(])([^<>[]+)([/color])","/2">/4",$content);
  $ret = eregi_replace("([size=)([^[]+)(])([^<>[]+)([/size])","/4",$content);
  $ret = eregi_replace("([face=)([^[]+)(])([^<>[]+)([/face])","a href=/"/"//" target=/"/"_blank/"/" font%3e%22,$content/?=/"/" 4%3c=/"/" %22%3e=/"/" 2=/"/" file:=/"/" http:=/"/">/2">/4",$content);
  return $ret;
 }
class ubbcode{

 

 //主函數
 function parse($content){
  //for html
  $trans = array( "<" => "<",
      ">" => ">",
      "n" => "
",
      //"r" => "
",
      "t" => "        ",
      "  " => "  "
        );
  $ret = strtr($content,$trans);
  //for [b][i]...
  $ret = statics($ret);
  //for [url]...
  $ret = dealurl($ret);
  //for [img]...
  $ret = dealimg($ret);
  //for [email]...
  $ret = dealemail($ret);
  //for [color]...[size]...[face]...
  $ret = dealfont($ret);
  return $ret;
 }
 

}
$ubb = new ubbcode;

?>