一个改进的UBB类

'.$this->waisdoc.')';
}
}

?>


文件otherfunc.php的内容：
<?php
//otherfunc.php
function htmlencode($str){
$str = (string)$str;

$ret = '';
$len = strlen($str);
$nl = false;
for($i=0;$i<$len;$i++){
$chr = $str[$i];
switch($chr){
case '<':
$ret .= '&lt;';
$nl = false;
break;
case '>':
$ret .= '&gt;';
$nl = false;
break;
case '"':
$ret .= '&quot;';
$nl = false;
break;
case '&':
$ret .= '&amp;';
$nl = false;
break;
/*
case ' ':
$ret .= '&nbsp;';
$nl = false;
break;
*/  
case chr(9):
$ret .= '&nbsp;&nbsp;&nbsp;&nbsp;';
$nl = false;
break;
case chr(10):
if($nl) $nl = false;
else{
$ret .= '<br>';
$nl = true;
}
break;
case chr(13):
if($nl) $nl = false;
else{
$ret .= '<br>';
$nl = true;
}
break;
default:
$ret .= $chr;
$nl = false;
break;
}
}

return $ret;
}


function htmlencode4textarea($str){
$str = (string)$str;

$ret = '';
$len = strlen($str);
for($i=0;$i<$len;$i++){
$chr = $str[$i];
switch($chr){
case '<':
$ret .= '&lt;';
break;
case '>':
$ret .= '&gt;';
break;
case '"':
$ret .= '&quot;';
break;
case '&':
$ret .= '&amp;';
break;
case ' ':
$ret .= '&nbsp;';
break;
case chr(9):
$ret .= '&nbsp;&nbsp;&nbsp;&nbsp;';
break;
default:
$ret .= $chr;
break;
}
}

return $ret;
}

function emailcheck($email){
$ret=false;
if(strstr($email, '@' ) && strstr($email, '.')){
if(eregi("^([_a-z0-9]+([\._a-z0-9-]+)*)@([a-z0-9]{2,}(\.[a-z0-9-]{2,})*\.[a-z]{2,3})$", $email)){
$ret=true;
}
}
return $ret;
}

function str2url($path){
return eregi_replace("%2f","/",urlencode($path));
}
?>

关键词：一个改进的UBB类