php - html transfer code 超文本转换码，市面上这东西已经很滥（多）了，不过是这几天自己实践了一下~~~~
支持 多重嵌套 和 同标签嵌套，混合高亮显示（还有一点小问题）
自我感觉便于修改和扩充~~~~~~~~~~~
<?php
/**************************************************
* *
* name : functions 4 html transfer code (htc) *
* version : 1.3.2 *
* author : windy_sk *
* create : 2003-09-03 *
* modified: 2003-12-17 *
* email : windy_sk@126.com *
* homepage: none (maybe soon) *
* notice : u can use & modify it freely, *
* but please hold this item. *
* *
**************************************************/
$htc_list = array(
"b" => "<b>\1</b>",
"i" => "<i>\1</i>",
"u" => "<u>\1</u>",
"center" => "<center>\1</center>n",
"url" => "<a href='\1'>\1</a>",
"email" => "<a href='mailto:\1'>\1</a>",
"image" => "<br /><table align=center width='100%'><tr><td align='center'><img src='\1' border='0' onload='org_w=this.offsetwidth;this.style.width=10;this.style.width=(org_w>parseint(this.offsetparent.offsetwidth))?this.offsetparent.offsetwidth:org_w' onclick='window.open(this.src)' style='cursor:pointer' /></td></tr></table><br />n",
"download" => "exec:get_dl_html('\1')",
"list" => "exec:get_list_html('\1')",
"quote" => "<center><table border='0' width='90%' cellspacing='0' cellpadding='0'><tr><td> 引用：</td></tr><tr><td><table width='100%' class='quote'><tr><td>\1</td></tr></table></td></tr></table></center>n",
"iframe" => "<table align=center><tr><td><iframe src='\1' frameborder='0' allowtransparency='true' scrolling='yes' width='400' height='300'></iframe></td></tr></table>n",
"move" => "<center><marquee width='90%' behavior='alternate' scrollamount='3'>\1</marquee><center>n",
"glow" => "<table><tr><td class='glow'>\1</td></tr></table>n",
"shadow" => "<table><tr><td class='shadow'>\1</td></tr></table>n",
"dropshadow" => "<table><tr><td class='dropshadow'>\1</td></tr></table>n",
"gbmusic" => "<bgsound src='\1' loop='-1'>n",
"music" => "<table cellspacing=0 cellpadding=0 align=center border=0><tbody><tr><td valign=top colspan=3><embed name=music_rm align=top src='\1' width='200' height='30' type='audio/x-pn-realaudio-plugin' console='clipnn' loop='false' autostart='false' controls='controlpanel' border='1' vspace='0' hspace='0'></embed><br><strong><a href='\1'>download the music</a></strong></td></tr></tbody></table>n",
"flash" => "<table align=center><tr><td><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='400'><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' width='32' height='32'></embed></object></td></tr></table>n",
"shockwave" => "<table align=center><tr><td><object classid='clsid:166b1bca-3f9c-11cf-8075-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=8,5,0,0' width='400'><param name='src' value='\1'><embed src='\1' pluginspage='http://www.macromedia.com/shockwave/download/' width='400'></embed></object></td></tr></table>n",
"quicktime" => "<table align=center><tr><td><embed src='\1' width='400' height='300' autoplay='true' loop='false' controller='true' playeveryframe='false' cache='false' scale='tofit' bgcolor='#000000' kioskmode='false' targetcache='false' pluginspage='http://www.apple.com/quicktime/'><br><strong><a href='\1'>download the movie</a></strong></td></tr></table>n",
"realplayer" => "<table cellspacing=0 cellpadding=0 align=center border=0><tbody><tr><td valign=top colspan=3><embed name=movie_rm align=top src='\1' width='400' height='300' type='audio/x-pn-realaudio-plugin' console='clipnn' loop='true' autostart='true' controls='imagewindow,controlpanel' border='1' vspace='0' hspace='0'></embed><br><strong><a href='\1'>download the movie</a></strong></td></tr></tbody></table>n",
"mediaplayer" => "<table align=center><tr><td><object classid='clsid:22d6f312-b0f6-11d0-94ab-0080c74c7e95' width='400'><param name='showstatusbar' value='-1'><param name='filename' value='\1'><embed type='application/x-oleobject' codebase='http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#version=5,1,52,701' flename='mp' src='\1' width='400'></embed></object><br /><strong><a href='\1'>download the movie</a></strong></td></tr></table>n",
"vote" => "exec:get_vote_html('\1')",
);
$htc_list_att = array(
"align" => "<div align='\1'>\2</div>n",
"url" => "<a href='\1'>\2</a>",
"email" => "<a href='mailto:\1'>\2</a>",
"image" => "<br /><table align=center width='100%'><tr><td><img alt='\1' src='\2' border='0' onload='org_w=this.offsetwidth;this.style.width=10;this.style.width=(org_w>parseint(this.offsetparent.offsetwidth))?this.offsetparent.offsetwidth:org_w;' onclick='window.open(this.src)' style='cursor:pointer' /></td></tr></table><br />n",
"fontface" => "<span style='font-family:\1'>\2</span>",
"fontsize" => "<span style='font-size:\1'>\2</span>",
"fontcolor" => "<span style='color:\1'>\2</span>",
"download" => "exec:get_dl_html('\1', '\2')",
"list" => "exec:get_list_html('\2','\1')",
"attach" => "exec:get_attach_html('\2', '\1')",
"vote" => "exec:get_vote_html('\1','\2')",
);
$htc_list_spl = array(
"php" => "exec:get_highlight_html('\1', 'php')",
"css" => "exec:get_highlight_html('\1', 'css')",
"html" => "exec:get_highlight_html('\1', 'html')",
"script" => "exec:get_highlight_html('\1', 'script')",
"code" => "exec:get_code_html('\1')",
"execute" => "\1",
);
function get_highlight_html($str, $type = "php") {
$type = strtolower($type);
$type_func = $type."_highlight";
$type = strtoupper($type);
$result = "<center><table border='0' width='90%' cellspacing='0' cellpadding='0'>";
if(!function_exists($type_func)) $type_func = "php_highlight";
$result .= "
<tr><td>高亮显示 <font color='red'>{$type}</font> 代码：</td></tr>
<tr><td>
<table width='100%' class='quote'><tr><td>
".$type_func($str)."
</td></tr></table>
".($type=="html"?"<input type='button' value='运行代码' onclick="str=this.parentnode.firstchild.innertext;if(str==undefined){alert('execute codez failed !');return;}code_win=window.open('about:blank');doc=code_win.document;doc.open();doc.write(str);doc.close();code_win.focus();" />":"")."
<input type='button' value='复制代码' onclick="try{window.clipboarddata.setdata('text',this.parentnode.firstchild.innertext);alert('save codez to the clipboard !');}catch(e){alert('codez copy failed !');}">
<input type='button' value='保存代码' onclick="try{str=this.parentnode.firstchild.innertext;code_win=window.open('about:blank','_blank','top=10000');code_win.document.writeln(str);code_win.document.execcommand('saveas','','code.html');code_win.close();}catch(e){alert('codez save failed !');}">
</td></tr>
</table></center>
";
return $result;
}
function php_highlight($str) {
$str = str_replace("\"",""",$str);
return highlight_string($str, true);
}
function css_highlight($str, $nl = true) {
$color_1 = "red";
$color_2 = "green";
$color_3 = "blue";
$str = str_replace("\"",""",$str);
$str = str_replace("r", "", $str);
preg_match_all("/[\*.w#: ]+{[^{}]+}/", $str, $arr_css);
$arr_css = $arr_css[0];
for($i=0; $i<count($arr_css); $i++) {
$head = preg_replace("/([\*.w#: ]+{)[^{}]+}/", "<font color='{$color_1}'>\1</font>".($nl?"<br />n":""), $arr_css[$i]);
$unit = preg_replace("/[\*.w#: ]+{([^{}]+)}/", "\1", $arr_css[$i]);
$unit_list = preg_split("/;s*/", $unit);
$unit = "n";
for($j=0; $j<count($unit_list); $j++) {
if(strlen($unit_list[$j])>0)
$unit .= " " . preg_replace("/s*([w-]+)s*:s*(.*)/e", "'<font color='{$color_2}'>\1</font> : <font color='{$color_3}'>'.htmlspecialchars('\2').'</font> ; '", $unit_list[$j]) . ($nl?"<br />n":"n");
}
$arr_css[$i] = $head . $unit . "<font color='{$color_1}'>}</font>";
}
return join(($nl?"n<br /><br />n":"nn"), $arr_css);
}
function script_highlight_note($str, $mode = true) {
$color_note = "gray";
$str = str_replace("\"",""",$str);
$str = preg_replace("/<font color='[a-z]+'>(.*)</font>/isu", "\1", $str);
$str = $mode?"/*{$str}*/":"//{$str}";
return "<font color='{$color_note}'>{$str}</font>";
}
function script_highlight($str, $nl = true) {
$color_1 = "red";
$color_2 = "blue";
$color_3 = "brown";
$color_4 = "green";
$str = str_replace("\"",""",$str);
$str = htmlspecialchars($str);
$str = str_replace("=","&equal;",$str);
$str = str_replace("|","&vertical;",$str);
$keywords = array(
"{$color_1}" => array("null", "true", "false", "nan"),
"{$color_2}" => array("var", "for", "if", "else", "switch", "case", "function", "loop", "continue", "break", "<", ">", "!&equal;", "&equal;&equal;", "&equal;", "&&", "&vertical;&vertical;"),
"{$color_3}" => array("window", "self", "this", "event", "document", "opener", "navigator", "math", "array", "string", "object", "function", "number"),
);
foreach($keywords as $key => $value) {
for($i=0; $i<count($value); $i++) {
$str = preg_replace("/(w)(".$value[$i].")(w)/", "\1<font color='{$key}'>\2</font>\3", $str);
}
}
$str = preg_replace("/(.|s)([a-z]+)(/i" ,"\1<font color='{$color_4}'>\2</font>(", $str);
$str = preg_replace("/.(w+)(?!()/i" ,".<font color='{$color_3}'>\1</font>", $str);
$str = preg_replace("///([^n]*)n/e" ,"script_highlight_note('\1', false)", $str);
$str = preg_replace("//*(.*?)*//es" ,"script_highlight_note('\1')", $str);
$str = str_replace("t", " ", $str);
$str = str_replace("&equal;","=",$str);
$str = str_replace("&vertical;","|",$str);
return $nl?nl2br($str):$str;
}
function html_highlight_attr($att) {
$color_1 = "red";
$color_2 = "brown";
$color_3 = "black";
$att = str_replace("\"",""",$att);
$att = preg_replace("/=s*('|")([^'"]+)\1/eu","'=\1'.preg_replace('/s+/','|:s:|','\2').'\1'",$att);
$att = str_replace("\"",""",$att);
$att .= " ";
preg_match_all("/[a-z:/-]+(=(['"]?).*[^\\]{1}\2?)?s+/iu", $att, $att_list);
$att_list = $att_list[0];
for($i=0; $i<count($att_list); $i++) {
if(empty($att_list[$i])) continue;
$att_list[$i] = trim($att_list[$i]);
$att_list[$i] = preg_replace("/([^=]+)([=]?)(['"]?)(.*)(\3)/", "<font color='{$color_2}'>\1</ font><font color='{$color_1}'>\2</ font>\3<font color='{$color_3}'>\4</ font>\3", $att_list[$i]);
}
return str_replace("|:s:|", " ", join(" ", $att_list));
}
function html_highlight($str) {
$color_1 = "red";
$color_2 = "blue";
$color_3 = "gray";
$str = str_replace("\"",""",$str);
preg_match_all("/<script([^>]*)>(.*)</script>/isu", $str, $arr_tmp);
$arr_script = $arr_tmp[0];
for($i=0; $i<count($arr_script); $i++) {
$str = str_replace($arr_script[$i], "
::script_{$i}::
", $str);
$arr_script[$i] = preg_replace("/<script([^>]*)>(.*)</script>/iseu", "'<font color='{$color_2}'><script '.html_highlight_attr('\1').'></font><br />'.script_highlight(str_replace('\"','"','\2'), false).'<font color='{$color_2}'></script></font>'", $arr_script[$i]);
}
$str = preg_replace("/(<textarea[^>]*>)(.*)(</textarea>)/ieu" ,"'\1'.htmlspecialchars('\2').'\3'", $str);
$str = preg_replace("/<!--(.*)-->/seu" ,"'<!--'.htmlspecialchars('\1').'-->'", $str);
$str = preg_replace("/<style([^>]*)>(.*)</style>/isu" ,"<!style\1>\2</style!>", $str);
$str = preg_replace("/<([a-z:]+)s*(.*?)( /|/)?>/ise" ,"'<font color='{$color_2}'><\1 '.html_highlight_attr('\2').'\3></ font>'", $str);
$str = preg_replace("/<(/[a-z:]+)>/i" ,"<font color='{$color_2}'><\1></font>", $str);
$str = preg_replace("/<(!--.*--)>/su" ,"<font color='{$color_3}'><\1></font>", $str);
$str = preg_replace("/<!style([^>]*)>(.*)</style!>/iseu" ,"'<font color='{$color_2}'><style '.html_highlight_attr('\1').'></font><br />'.css_highlight(str_replace('\"','"','\2'), false).'<br /><font color='{$color_2}'></style></font>'", $str);
for($i=0; $i<count($arr_script); $i++) {
$str = str_replace("
::script_{$i}::
", $arr_script[$i], $str);
}
$str = str_replace("</ font>", "</font>", $str);
$str = str_replace("</ b>", "</b>", $str);
$str = str_replace(" >", ">", $str);
$str = str_replace(" "," ",$str);
$str = str_replace("t"," ",$str);
return nl2br($str);
}
function get_file_pic($filename) {
global $root_path;
$ext = str_replace(".","",strrchr($filename,"."));
$pic = $root_path."images/mime_type/{$ext}.gif";
return file_exists($pic)?"$pic":$root_path."images/mime_type/attch.gif";
}
function get_dl_html($filename, $str = "") {
return "<img src='".get_file_pic($filename)."' border='0'> <a href='$filename'>".(empty($str)?basename($filename):$str)."</a>";
}
function get_attach_html($filename, $id) {
return "<img src='".get_file_pic($filename)."' border='0'> <a href='attach_manage.php?method=download&id=$id'>$filename</a>";
}
function get_vote_html($vote_idx, $message = ""){
global $db_host, $db_user, $db_pass, $db_name;
$db = new db_manager($db_host, $db_user, $db_pass);
$db->connect();
$db->selectdb($db_name);
$db->query("select * from mnms_poll where id=".$vote_idx);
$record = $db->getrs();
$str = "";
$db->close();
unset($db);
if($record) {
$username = "dummy";
$if_vote = !(strpos($record[vote_user], "|{$username}|")===false)
strpos($record[vote_user], "|".getip()."|");
$str .= "
<fieldset>
<legend align='left' color=black>".(empty($message)?$record[vote_title]:$message)."</legend>
<form name='poll' action='poll_manage.php?method=vote' method='post'>
<table width='90%' align='center'>";
$vote_list = split("::",$record[vote_list]);
$vote_count = split("::",$record[vote_count]);
$vote_users = count(split("n", $record[vote_user])) - 1;
$vote_sum = array_sum($vote_count);
$str .= "
<tr><td colspan='2'> 目前共有 <font color='red'>{$vote_users}</font> 人参与了本投票 </td></tr>";
if($vote_sum==0) $vote_sum = 1;
for($i=0; $i<count($vote_list); $i++) {
$str .= "
<tr><td>".($if_vote?"► ":"<input type='hidden' value='".$vote_count[$i]."' name='vote_count[]'><input type='".($record[vote_multi]=='y'?"checkbox":"radio")."' name='vote[]' value='{$i}'>").htmlspecialchars($vote_list[$i])."</td><td width='400'><img src='images/bars/bar".($i+1).".gif' width='".ceil($vote_count[$i]*300/$vote_sum)."' height='10'> 占总票数的 <font color='#990000'>".ceil((int)$vote_count[$i]*100/$vote_sum)."%</font></td></tr>n";
}
$str .= "<tr><td colspan='2' align='center'><br>".($if_vote?"<b>您已经投过票了！</b>":"<input type='hidden' value='{$record[id]}' name='id'><input type='submit' value=' 确 定 ' name='submit'> <input type='reset' value=' 重 置 ' name='reset'>")."</td></tr>";
$str .= "
</table>
</form>
</fieldset>";
}
return $str;
}
function get_code_html($str) {
$str = str_replace("\"",""",$str);
return "
<table align='center' width='550'>
<tr><td><textarea cols='80' rows='10' name=code>".htmlspecialchars($str)."</textarea><br>
<input type='button' value='运行代码' onclick="str=this.parentnode.firstchild.value;code_win=window.open('about:blank');doc=code_win.document;doc.open();doc.write(str);doc.close();code_win.focus();">
<input type='button' value='复制代码' onclick="try{window.clipboarddata.setdata('text',this.parentnode.firstchild.value);alert('save codez to the clipboard !');}catch(e){alert('please copy the selected codez !');this.parentnode.firstchild.select();}">
<input type='button' value='保存代码' onclick="str=this.parentnode.firstchild.value;code_win=window.open('about:blank','_blank','top=10000');code_win.document.writeln(str);code_win.document.execcommand('saveas','','code.html');code_win.close();">
（提示:可以先修改部分代码）
</td></tr>
</table>";
}
function get_list_html($content, $type = "") {
$content = preg_replace("/(<br />)?[rn]+/", "n", $content);
$content = preg_replace("/[rn]+/", "n", $content);
$content = preg_replace("/^[n]*(.*)[n]*$/m", "\1", $content);
$content = str_replace("n", "</li><li>", $content);
$content = "<ul type='$type'><li>$content</li></ul>n";
return $content;
}
function html_trans($str) {
$search = array("&", "'", """, "<", ">", " ", "t");
$replace = array("&", "'", """, "<", ">", " ", " ");
return nl2br(str_replace($search, $replace, $str));
}
function link_url($str) {
$str = preg_replace("/((http|ftp|mms|rtsp|pnm|mailto)://[w@:./?=&;#-%]+)/i", "<a href='\1' target='_blank'>\1</a>", $str);
$str = preg_replace("/(w+@(w+.)+[w]{2,3})/i", "<a href='mailto:\1'>\1</a>", $str);
$str = preg_replace("/(href|src)='<a href=('.+')>[^<]+</a>'/iu", "\1=\2", $str);
return $str;
}
function htc2html_loop($str) {
global $htc_list, $htc_list_att;
foreach($htc_list as $key => $value) {
if(substr($value,0,5)=="exec:"){
$str = preg_replace("/[$key]((.(?![$key(s?=s?([^]]+))?]))*)[/$key]/iexsu", substr($value,5), $str);
} else {
$str = preg_replace("/[$key]((.(?![$key(s?=s?([^]]+))?]))*?)[/$key]/ixsu", "$value", $str);
}
}
foreach($htc_list_att as $key => $value) {
if(substr($value,0,5)=="exec:"){
$str = preg_replace("/[$keys?=s?([^]]+)]((.(?![$key(s?=s?([^]]+))?]))*)[/$key]/iesxu", substr($value,5), $str);
} else {
$str = preg_replace("/[$keys?=s?([^]]+)]((.(?![$key(s?=s?([^]]+))?]))*)[/$key]/isxu", "$value", $str);
}
}
return $str;
}
function htc2html($str, $trans_url = true , $loop = 3) {
global $htc_list_spl;
$str = preg_replace("/([w+])s*/ixs","\1",$str);
$str = preg_replace("/s*([/w+])/ixs","\1",$str);
foreach($htc_list_spl as $key => $value) {
preg_match_all("/[$key](.*)[/$key]/ixsu", $str, $arr_tmp);
$arr_spl[$key] = $arr_tmp[0];
for($i=0; $i<count($arr_spl[$key]); $i++) {
$str = str_replace($arr_spl[$key][$i], "
::{$key}_{$i}::
", $str);
if(substr($value,0,5)=="exec:"){
$arr_spl[$key][$i] = preg_replace("/[$key](.*)[/$key]/iexsu", substr($value,5), $arr_spl[$key][$i]);
} else {
$arr_spl[$key][$i] = preg_replace("/[$key](.*)[/$key]/ixsu", "$value", $arr_spl[$key][$i]);
}
}
}
$str = html_trans($str);
while($loop-- > 0) {
if(!preg_match("/[(w+)(s?=s?([^]]+))?](.*)[/\1]/isu", $str)) break;
$str = htc2html_loop($str);
}
if($trans_url) $str = link_url($str);
foreach($htc_list_spl as $key => $value) {
for($i=0; $i<count($arr_spl[$key]); $i++) {
$str = str_replace("
::{$key}_{$i}::
", $arr_spl[$key][$i], $str);
}
}
return $str;
}
?>
使用方法：
echo htc2html($str);
ok 了~~~~~~~~
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