一个UBB的PHP类

/*Text Encode ClassWrite by q3boy 2003.3.10usage:$eq = new EncodeQ3boy($str);初始化类//以下为ubbEncode参数$eq->url      = true;       //启用url自动解析   默认false$eq->html     = true;       //启用HTML编码（处理<，>，全角/半角空格，制表符，换行符）默认true$eq->image    = true;       //启用图象标签解析  默认true$eq->font     = true;       //启用字体标签解析  默认true$eq->element  = true;       //启用外部元素解析  默认true$eq->flash    = true;       //启用Flash解析     默认true$eq->php      = true;       //启用语法高亮显示  默认true//ubbEncode参数结束echo($eq->getImageOpener());//输出图片自动缩放所需js函数echo $eq->htmlEncode();          //输出ubb编码后字符串echo"<hr>";echo $eq->ubbEncode();           //输出ubb编码后字符串echo"<hr>";echo $eq->removeHtml();          //输出移除html标签的字符串echo"<hr>";echo $eq->ubbEncode();           //输出移除ubb标签的字符串支持ubb标签列表：图片类：[img]gif/aaa.gif[/img]    插入图片[limg]gif/aaa.gif[/limg]  图片左绕排[rimg]gif/aaa.gif[/rimg]  图片右绕排[cimg]gif/aaa.gif[/cimg]  图片居中绕排文本控制类：[br] 换行符[b]粗体字[b][i]斜体字[i][u]下划线[u][s]删除线[s][sub]文字下标[sub][sup]文字上标[sup][left]文字左对齐[left][right]文字右对齐[right][center]文字居中[center][align=(left|center|right)]文字对齐方式[align][size=([1-6])]文字大小[size][font=(字体)[font][color=(文字颜色)][color][list]无序列表[list][list=s]有序列表[list][list=(A|1|I)]有序列表（列表方式为（abc,123,I II III））[list][list=(num)]有序列表（自num开始计数）[list][li]列表单元项[li]外部元素类：[url]链接[/url][url=(链接)]链接文字[/url][email]邮件地址[/email][email=(邮件地址)]说明文字[/email]邮件地址[quote]引用块[/quote][iframe]内插帧地址[/iframe][iframe=(内插帧高度)]内插帧地址[/iframe][swf]flash动画地址[/swf][swf=宽度,高度]flash动画地址[/swf]代码块:[code][/code][php][/php][code 代码块名称][/code][php 代码块名称][/php]如需使用php语法高亮请务必在代码块两端加上"<??>"标签*/class EncodeQ3boy {        var $str           = "";        var $iconpath      = "/image/icon";//图标文件路径        var $imagepath     = "/upfiles/article";//图片文件默认路径        var $tagfoot = ' border="1" onload="ImageLoad(this);" onClick="ImageOpen(this)" style="cursor: hand" ';//图片文件附加属性        var $url     = false;        //url自动解析        var $html    = true;                //HTML编码        var $image   = true;                //解析图象标签        var $font    = true;                //字体标签        var $element = true;                //外部元素        var $flash   = true;                //Flash        var $php     = true;                //语法高亮显示        function EncodeQ3boy($str='',$imgph='') {                if($str) {                        $str = strtr($str,array("\n\r"=>"\n","\r\n"=>"\n","\r"=>"\n","　"=>"　"));                        $this->str = $str;                }                if($imgph) $this->imagepath = $imgph;        }        function getImageOpener() {                Return "<script language=\"javascript\" type=\"text/javascript\">\r\nfunction ImageLoad(img) {\r\nif(img.width>480) img.width=480;\r\n}\r\nfunction ImageOpen(img) {\r\nwindow.open(img.src,'','menubar=no,scrollbars=yes,width='+(screen.width-8)+',height='+(screen.height-74)+',left=0,top=0');\r\n}\r\n</script>";        }        function removeHtml($str='') {                if(!$str) $str = $this->str;                return strip_tags($str);        }        function removeUbb($str='') {                if(!$str) $str = $this->str;                return preg_replace("/\[\/?\w+(\s+[^\]\s]+)*\s*\]/is","",$str);        }        function htmlEncode($str='') {                if(!$str) $str = $this->str;                $ary = array(                        '<'=>'&lt;',                         '>'=>'&gt;',                         "　"=>"&nbsp;&nbsp;",                        "　"=>"&nbsp;&nbsp;"                        );                $str = preg_replace("/\n{2,}/s","\n\n",strtr($str,$ary));                Return str_replace("\n","\n<br />",$str);        }        function ubbEncode($str='') {                if(!$str) $str = $this->str;                $rpl_ary = array();                $rpl_ary = array();                if($this->html) $str = $this->htmlEncode($str,true);                $tagfoot = $this->tagfoot;                $icon    = $this->iconpath;                $image   = $this->imagepath;                if($this->php) {                        preg_match_all('/(\n\<br \/\>)*\[(php|code)\s*(.*?)\]\s*(.+?)\s*\[\/(php|code)\](\n\<br \/\>)*/is',$str,$ary);                        $str = preg_split('/(\n\<br \/\>)*\[(php|code)\s*(.*?)\]\s*(.+?)\s*\[\/(php|code)\](\n\<br \/\>)*/is',$str);                }                if($this->url){                        $reg_ary = array_merge($reg_ary,array(                                '/(?<!\]|\=)\s*(\b\w+@(?:\w+\.)+\w{2,3})\b\s*(?<!\[)/i',                                '/(?<!\]|\=)\s*(\b(http|https|ftp):\/\/(\w+\.)+\w+(\/[\w|&|%|\?|=|\+|\.|-]+)*)\b\s*(?<!\[)/i',                        ));                        $rpl_ary = array_merge($rpl_ary,array(                                '[email]\\1[/email]',                                '[url]\\1[/url]',                        ));                }                if($this->image) {                        $reg_ary = array_merge($reg_ary,array(                        '/\[img\]\s*http(s?):\/\/(\S+)\s*\[\/img\]/i',                        '/\[limg\]\s*http(s?):\/\/(\S+)\s*\[\/limg\]/i',                        '/\[rimg\]\s*http(s?):\/\/(\S+)\s*\[\/rimg\]/i',                        '/\[cimg\]\s*http(s?):\/\/(\S+)\s*\[\/cimg\]/i',                        '/\[img\]\s*([^\/:]+)\s*\[\/img\]/i',                        '/\[limg\]\s*([^\/:]+)\s*\[\/limg\]/i',                        '/\[rimg\]\s*([^\/:]+)\s*\[\/rimg\]/i',                        '/\[cimg\]\s*([^\/:]+)\s*\[\/cimg\]/i',                        '/\[img\]\s*(\S+)\s*\[\/img\]/i',                        '/\[limg\]\s*(\S+)\s*\[\/limg\]/i',                        '/\[rimg\]\s*(\S+)\s*\[\/rimg\]/i',                        '/\[cimg\]\s*(\S+)\s*\[\/cimg\]/i',                        ));                        $rpl_ary = array_merge($rpl_ary,array(                        '<img src="http\1://\2"'.$tagfoot.'>',                        '<img src="http\1://\2"'.$tagfoot.' align="left">',                        '<img src="http\1://\2"'.$tagfoot.' align="right">',                        '<div align="center"><img src="http\1://\2"'.$tagfoot.'></div>',                        '<img src="'.$image.'/\1"'.$tagfoot.'>',                        '<img src="'.$image.'/\1"'.$tagfoot.' align="left">',                        '<img src="'.$image.'/\1"'.$tagfoot.' align="right">',                        '<div align="center"><img src="'.$image.'/\1"'.$tagfoot.'></div>',                        '<img src="\1"'.$tagfoot.'>',                        '<img src="\1"'.$tagfoot.' align="left">',                        '<img src="\1"'.$tagfoot.' align="right">',                        '<div align="center"><img src="\1"'.$tagfoot.'></div>',                        ));                }                if($this->font) {                        $reg_ary = array_merge($reg_ary,array(                        '/\[br\]/i',                        '/\[b\]\s*(.+?)\s*\[\/b\]/is',                        '/\[i\]\s*(.+?)\s*\[\/i\]/is',                        '/\[u\]\s*(.+?)\s*\[\/u\]/is',                        '/\[s\]\s*(.+?)\s*\[\/s\]/is',                        '/\[sub\]\s*(.+?)\s*\[\/sub\]/is',                        '/\[sup\]\s*(.+?)\s*\[\/sup\]/is',                        '/\[left\]\s*(.+?)\s*\[\/left\]/is',                        '/\[right\]\s*(.+?)\s*\[\/right\]/is',                        '/\[center\]\s*(.+?)\s*\[\/center\]/is',                        '/\[align=\s*(left|center|right)\]\s*(.+?)\s*\[\/align\]/is',                        '/\[size=\s*([\.|\d])\s*\]\s*(.*?)\s*\[\/size\]/is',                        '/\[font=\s*(.*?)\s*\]\s*(.*?)\s*\[\/font\]/is',                        '/\[color=\s*(.*?)\s*\]\s*(.*?)\s*\[\/color\]/is',                        '/\[list\]\s*(<br \/>)?\s*(.+?)\s*\[\/list\]/is',                        '/\[list=s\]\s*(<br \/>)?\s*(.+?)\s*\[\/list\]/is',                        '/\[list=(A|1|I)\]\\s*(<br \/>)?\s*(.+?)\s*\[\/list\]/is',                        '/\[list=(\S+?)\]\s*(<br \/>)?\s*(.+?)\s*\[\/list\]/is',                        '/\[li\]\s*(.+?)\s*\[\/li\]/is',                        ));                        $rpl_ary = array_merge($rpl_ary,array(                        '<br />',                        '<b>\\1</b>',                        '<i>\\1</i>',                        '<u>\\1</u>',                        '<s>\\1</s>',                        '<sub>\\1</sub>',                        '<sup>\\1</sup>',                        '<div align="left">\\1</div>',                        '<div align="right">\\1</div>',                        '<div align="center">\\1</div>',                        '<div align="\\1">\\2</div>',                        '<font size=\\1pt;">\\2</font>',                        '<font face="\\1">\\2</font>',                        '<font color="\\1">\\2</font>',                        '<ul>\\2</ul>',                        '<ol>\\2</ol>',                        '<ol type="\\1">\\3</ol>',                        '<ol start="\\1">\\3</ol>',                        '<li>\\1</li>',                        ));                }                if($this->element){                        $reg_ary = array_merge($reg_ary,array(                        '/\[url=\s*(.+?)\s*\]\s*(.+?)\s*\[\/url\]/i',                        '/\[url]\s*(.+?)\s*\[\/url\]/i',                        '/\[email=\s*(.+?)\s*\]\s*(.+?)\s*\[\/email\]/i',                        '/\[email]\s*(.+?)\s*\[\/email\]/i',                        '/\[quote\]\s*(<br \/>)?\s*(.+?)\s*\[\/quote\]/is',                        '/\[iframe\]\s*(.+?)\s*\[\/iframe\]/is',                        '/\[iframe=\s*(\d+?)\s*\]\s*(.+?)\s*\[\/iframe\]/is',                        ));                        $rpl_ary = array_merge($rpl_ary,array(                        '<a href="\1" target="_blank"><img src="'.$icon.'/url.gif" border="0" alt="超链接地址" align="bottom">\2</a> ',                        '<a href="\1" target="_blank"><img src="'.$icon.'/url.gif" border="0" alt="超链接地址" align="bottom">\1</a> ',                        '<a href="mailto:\1"><img src="'.$icon.'/mail.gif" border="0" alt="电子邮件地址" align="bottom">\2</a> ',                        '<a href="mailto:\1"><img src="'.$icon.'/mail.gif" border="0" alt="电子邮件地址" align="bottom">\1</a> ',                        '<table cellpadding="0" cellspacing="0" border="0" width="90%" align="center" style="border:1px gray solid;"><tr><td><table width="100%" cellpadding="5" cellspacing="1" border="0"><tr><td width="100%">\2</td></tr></table></td></tr></table>',                        '<iframe src="\" name="ifr1" frameborder="0" allowtransparency="true" scrolling="yes" width="100%" height="340" marginwidth="0" marginheight="0" hspace="0" vspace="0">\1</iframe><br><a href="\1" target="_blank">如果你的浏览器不支持嵌入框，请点这里查看</a>',                        '<iframe src="\2" name="ifr1" frameborder="0" allowtransparency="true" scrolling="yes" width="100%" height="\1" marginwidth="0" marginheight="0" hspace="0" vspace="0">\2</iframe><br><a href="\2" target="_blank">如果你的浏览器不支持嵌入框，请点这里查看</a>',                        ));                }                if($this->flash){                        $reg_ary = array_merge($reg_ary,array(                        '/\[swf\]\s*(.+?)\s*\[\/swf\]/i',                        '/\[swf=(\d+)\,(\d+)\]\s*(.+?)\s*\[\/swf\]/i'                        ));                        $rpl_ary = array_merge($rpl_ary,array(                        '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0"><param name="movie" value="\1" /><param name="quality" value="high" /><embed src="\1" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash"></embed></object>',                        '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="\1" height="\2"><param name="movie" value="\3" /><param name="quality" value="high" /><embed src="\3" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="\1" height="\2"></embed></object>'                        ));                }                if(sizeof($reg_ary)&&sizeof($rpl_ary))$str = preg_replace($reg_ary,$rpl_ary,$str);                if($this->php) {                        $tmp = $str[0];                        for($i=0; $i<sizeof($ary[4]); $i++) {                                ob_start();                                highlight_string(trim(strtr($ary[4][$i],array('&lt;'=>'<','&gt;'=>'>',"&nbsp;"=>" ","<br />"=>""))));                                $tmp .= '<table border=1 cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#055AA0" width=95%><tr><td><code>'.(trim($ary[3][$i])?trim($ary[3][$i]):'代码片段:').'</code><br /><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td width="100%" class="code">'.ob_get_contents().'</td></tr></table></td></tr></table>'.$str[$i+1];                                ob_end_clean();                        }                        $str = $tmp;                        unset($tmp);                }                Return $str;        }}//上面就是完整的UBB函数//下面是调用方法，$u=new EncodeQ3boy();echo $u->ubbEncode($_POST["ok"]);<form method=post action=""><textarea name="ok" rows="6" cols="60"></textarea><input type="submit"></form>

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