PHP实现的UBB转换html函数

php ubb代码转换函数

<?php
function ubb($string) {
  $searcharray['bbcode_regexp'] = array(
   "/s*[quote][nr]*(.+?)[nr]*[/quote]s*/is",
   "/([box=(#[0-9A-F]{6}|[a-z]+)])[nr]*(.+?)[nr]*([/box])/is",
   "/[url]s*(www.|https?://|ftp://|gopher://|news://|telnet://|rtsp://|mms://){1}([^["']+?)s*[/url]/ie",
   "/[url=www.([^["']+?)](.+?)[/url]/is",
   "/[url=(https?|ftp|gopher|news|telnet|rtsp|mms){1}://([^["']+?)](.+?)[/url]/is",
   "/[email]s*([A-Za-z0-9-_.]+)@([A-Za-z0-9-_]+[.][A-Za-z0-9-_.]+)s*[/email]/i",
   "/[email=([A-Za-z0-9-_.]+)@([A-Za-z0-9-_]+[.][A-Za-z0-9-_.]+)](.+?)[/email]/is",
   "/[color=([^[]+?)]/i",
   "/[size=([^[]+?)]/i",
   "/[font=([^[]+?)]/i",
   "/[align=([^[]+?)]/i",
   "/[center]/i",
   "/[swf]s*([^[]+?)s*[/swf]/ies",
   "/[img]s*([^[]+?)s*[/img]/ies",
   "/[img=(d{1,3})[x|,](d{1,3})]s*([^[]+?)s*[/img]/ies"
  );
  $replacearray['bbcode_regexp'] = array(
   "<br><br><center><table border="0" width="90%" cellspacing="0" cellpadding="0"><tr><td>  Quote:</td></tr><tr><td><table border="0" width="100%" cellspacing="1" cellpadding="10" bgcolor="".BORDERCOLOR.""><tr><td width="100%" bgcolor="".ALTBG2."" style="word-break:break-all">\1</td></tr></table></td></tr></table></center><br>",
   "<blockquote style="background-color: \2 ;"><span class="bold">$title</span>\3</blockquote>",
   "cuturl('\1\2')",
   "<a href="http://www.\1" target="_blank">\2</a>",
   "<a href="\1://\2" target="_blank">\3</a>",
   "<a href="mailto:\1@\2">\1@\2</a>",
   "<a href="mailto:\1@\2">\3</a>",
   "<font color="\1">",
   "<font size="\1">",
   "<font face="\1">",
   "<p align="\1">",
   "<p align="center">",
   "bbcodeurl('\1', ' <img src="images/flash.gif" align="absmiddle"> <a href="%s" target="_blank">Flash: %s</a> ')",
   "bbcodeurl('\1', '<img src="%s" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window';}" onmouseover="if(this.resized) this.style.cursor='hand';" onclick="if(this.resized) {window.open('%s');}">')",
   "bbcodeurl('\3', '<img width="\1" height="\2" src="%s" border="0">')"
  );
  $searcharray['bbcode_str'] = array(
   '[/color]', '[/size]', '[/font]', '[/align]', '[b]', '[/b]',
   '[i]', '[/i]', '[u]', '[/u]', '[list]', '[list=1]', '[list=a]',
   '[list=A]', '[*]', '[/list]','[/center]'
  );
  $replacearray['bbcode_str'] = array(
   '</font>', '</font>', '</font>', '</p>', '<b>', '</b>', '<i>',
   '</i>', '<u>', '</u>', '<ul>', '<ol type=1>', '<ol type=a>',
   '<ol type=A>', '<li>', '</ul></ol>','</p>'
  );                  
  $string = str_replace($searcharray['bbcode_str'], $replacearray['bbcode_str'], preg_replace($searcharray['bbcode_regexp'], $replacearray['bbcode_regexp'], $string));
                return $string;
}
function bbcodeurl($url, $tags) {
 if(!preg_match("/<.+?>/s",$url)) {
  if(!in_array(strtolower(substr($url, 0, 6)), array('http:/', 'ftp://', 'rtsp:/', 'mms://'))) {
   $url = 'http://'.$url;
  }
  return str_replace('submit', '', sprintf($tags, $url, $url));
 } else {
  return ' '.$url;
 }
}
function cuturl($url) {
 $length = 65;
 $urllink = "<a href="".(substr(strtolower($url), 0, 4) == 'www.' ? "http://$url" : $url).'" target="_blank">';
 if(strlen($url) > $length) {
  $url = substr($url, 0, intval($length * 0.5)).' ... '.substr($url, - intval($length * 0.3));
 }
 $urllink .= $url.'</a>';
 return $urllink;
}
?>