一个用PHP实现的UBB类
;img")) and ($this->call_time>1)){
echo $this->call_time."<br>";
return $parse;//如果不能是不能嵌套的标记，直接返回
}
$parse2 = substr($parse,0,$pos);//标记之前
$parse = substr($parse,$pos+$tag_len+2);//标记之后
if(!isset($this->tags[$tag])){
echo "$tag_start<br>";
$ret .= $parse2.''[''.$tag_start.'']'';
continue;//如果是不支持的标记
}
//查找对对应的结束标记
$eregi_ret=eregi("\[\/".$tag."\]",$parse,$eregi_arr);
if(!$eregi_ret){
$ret .= $parse2.''[''.$tag_start.'']'';
continue;//如果没有对应该的结束标记
}
$pos=strpos($parse,$eregi_arr[0]);
$value=substr($parse,0,$pos);//这是起止标记之间的内容
$tag_end=substr($parse,$pos+2,$tag_len);
$parse=substr($parse,$pos+$tag_len+3);//结束标记之后的内容
if(($tag!="url") and ($tag!="email") and ($tag!="img")){
$value=$this->parse($value);
}
$ret .= $parse2;
eval(''$ret .= ''.$this->tags[$tag].''("''.$tag_start.''","''.$tag_end.''","''.$value.''");'');
}
$this->call_time--;
return $ret;
}
function simple($start,$end,$value){
return ''<''.$start.''>''.$value.''</''.$end.''>'';
}
function url($start,$end,$value){
$trim_value=trim($value);
if (strtolower(substr($trim_value,0,7))!="http://")
$trim_value="http://".$trim_value;
if($this->urlcheck->check($trim_value)) return ''<a href="''.$trim_value.''" ''.$this->attr_url.''>''.$value.''</a>'';
else return ''[''.$start.'']''.$value.''[/''.$end.'']'';
}
function email($start,$end,$value){
if(emailcheck($value)) return ''<a href="mailto:''.$value.''">''.$value.''</a>'';
else return ''[''.$start.'']''.$value.''[/''.$end.'']'';
}
function img($start,$end,$value){
$trim_value=trim($value);
if ((strtolower(substr($trim_value,0,7))!="http://") or ($this->urlcheck->check($trim_value)))
return ''<img src="''.$trim_value.''"></img>'';
else return ''[''.$start.'']''.$value.''[/''.$end.'']'';
}
}
//测试
echo ''<html>'';
echo ''<head><title>测试</title></head>'';
echo ''<body>'';
echo ''<form action="''.str2url($PATH_INFO).''" method="post">'';
echo ''<textarea cols="100" rows="10" name="ubb">''.htmlencode4textarea($ubb).''</textarea><br>'';
echo ''<input type="submit" value="转换">'';
echo ''</form>'';
if(isset($ubb)){
$ubbcode = new ubbcode(''target="_blank"'');
echo ''<hr>''.$ubbcode->parse($ubb);
}
echo ''</body>'';
echo ''</html>'';
?>
文件urlcheck.php的内容
<?php
//urlcheck.php
class urlcheck{
var $regex = array(//协议名(注意在这里必须写成小写) => 对应的正则表达式
''ftp'' => ''$this->ftpurl'',
''file'' => ''$this->fileurl'',
''http'' => ''$this->httpurl'',
''https'' => ''$this->httpurl'',
''gopher'' => ''$this->
echo $this->call_time."<br>";
return $parse;//如果不能是不能嵌套的标记，直接返回
}
$parse2 = substr($parse,0,$pos);//标记之前
$parse = substr($parse,$pos+$tag_len+2);//标记之后
if(!isset($this->tags[$tag])){
echo "$tag_start<br>";
$ret .= $parse2.''[''.$tag_start.'']'';
continue;//如果是不支持的标记
}
//查找对对应的结束标记
$eregi_ret=eregi("\[\/".$tag."\]",$parse,$eregi_arr);
if(!$eregi_ret){
$ret .= $parse2.''[''.$tag_start.'']'';
continue;//如果没有对应该的结束标记
}
$pos=strpos($parse,$eregi_arr[0]);
$value=substr($parse,0,$pos);//这是起止标记之间的内容
$tag_end=substr($parse,$pos+2,$tag_len);
$parse=substr($parse,$pos+$tag_len+3);//结束标记之后的内容
if(($tag!="url") and ($tag!="email") and ($tag!="img")){
$value=$this->parse($value);
}
$ret .= $parse2;
eval(''$ret .= ''.$this->tags[$tag].''("''.$tag_start.''","''.$tag_end.''","''.$value.''");'');
}
$this->call_time--;
return $ret;
}
function simple($start,$end,$value){
return ''<''.$start.''>''.$value.''</''.$end.''>'';
}
function url($start,$end,$value){
$trim_value=trim($value);
if (strtolower(substr($trim_value,0,7))!="http://")
$trim_value="http://".$trim_value;
if($this->urlcheck->check($trim_value)) return ''<a href="''.$trim_value.''" ''.$this->attr_url.''>''.$value.''</a>'';
else return ''[''.$start.'']''.$value.''[/''.$end.'']'';
}
function email($start,$end,$value){
if(emailcheck($value)) return ''<a href="mailto:''.$value.''">''.$value.''</a>'';
else return ''[''.$start.'']''.$value.''[/''.$end.'']'';
}
function img($start,$end,$value){
$trim_value=trim($value);
if ((strtolower(substr($trim_value,0,7))!="http://") or ($this->urlcheck->check($trim_value)))
return ''<img src="''.$trim_value.''"></img>'';
else return ''[''.$start.'']''.$value.''[/''.$end.'']'';
}
}
//测试
echo ''<html>'';
echo ''<head><title>测试</title></head>'';
echo ''<body>'';
echo ''<form action="''.str2url($PATH_INFO).''" method="post">'';
echo ''<textarea cols="100" rows="10" name="ubb">''.htmlencode4textarea($ubb).''</textarea><br>'';
echo ''<input type="submit" value="转换">'';
echo ''</form>'';
if(isset($ubb)){
$ubbcode = new ubbcode(''target="_blank"'');
echo ''<hr>''.$ubbcode->parse($ubb);
}
echo ''</body>'';
echo ''</html>'';
?>
文件urlcheck.php的内容
<?php
//urlcheck.php
class urlcheck{
var $regex = array(//协议名(注意在这里必须写成小写) => 对应的正则表达式
''ftp'' => ''$this->ftpurl'',
''file'' => ''$this->fileurl'',
''http'' => ''$this->httpurl'',
''https'' => ''$this->httpurl'',
''gopher'' => ''$this->