<?php
/**
* Global Function
*
* @author Avenger <avenger@php.net>
* @version 1.14 $Id 2003-05-30 10:10:08 $
*/
/**
* 弹出提示框
*
* @access public
* @param string $txt 弹出一个提示框，$txt为要弹出的内容
* @return void
*/
function popbox($txt) {
echo "<script language='JavaScript'>alert('".$txt."')</script>";
}
/**
* 非法操作警告
*
* @access public
* @param string $C_alert 提示的错误信息
* @param string $I_goback 返回后返回到哪一页,不指定则不返回
* @return void
*/
function alert($C_alert,$I_goback='main.php') {
if(!empty($I_goback)) {
echo "<script>alert('$C_alert');window.location.href='$I_goback';</script>";
} else {
echo "<script>alert('$C_alert');</script>";
}
}
/**
* 产生随机字符串
*
* 产生一个指定长度的随机字符串,并返回给用户
*
* @access public
* @param int $len 产生字符串的位数
* @return string
*/
function randstr($len=6) {
$chars='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-@#~'; // characters to build the password from
mt_srand((double)microtime()*1000000*getmypid()); // seed the random number generater (must be done)
$password='';
while(strlen($password)<$len)
$password.=substr($chars,(mt_rand()%strlen($chars)),1);
return $password;
}
/**
* 判断下拉菜音的选取项
*
* 可以判断字符串一和字符串二是否相等.从而使相等的项目在下拉菜单中被选择
*
* @access public
* @param string $str1 要比较的字符串一
* @param string $str2 要比较的字符串二
* @return string 相等返回字符串"selected",否则返回空字符串
*/
function ckselect($str1,$str2) {
if($str1==$str2) {
return ' selected';
}
return '';
}
/**
* 一个自定义的Ftp函数
*
* @access private
* @return void
*/
function myftp($ftp_server,$ftp_port,$ftp_username,$ftp_password,$ftp_path='/') {
$ftpid=@ftp_connect($ftp_server,$ftp_port) or die('Connect To Ftp Server Error!');
@ftp_login($ftpid,$ftp_username,$ftp_password) or die('Login Ftp Error!');
@ftp_chdir($ftpid,'/'.$ftp_path) or die('Chdir Error!');
return $ftpid;
}
/**
* 截取中文部分字符串
*
* 截取指定字符串指定长度的函数,该函数可自动判定中英文,不会出现乱码
*
* @access public
* @param string $str 要处理的字符串
* @param int $strlen 要截取的长度默认为10
* @param string $other 是否要加上省略号,默认会加上
* @return string
*/
function showtitle($str,$strlen=10,$other=true) {
$j = 0;
for($i=0;$i<$strlen;$i++)
if(ord(substr($str,$i,1))>0xa0) $j++;
if($j%2!=0) $strlen++;
$rstr=substr($str,0,$strlen);
if (strlen($str)>$strlen && $other) {$rstr.='...';}
return $rstr;
}
/**
* 制作链接
*
* @access public
* @param string url 要链接到的网址
* @param string linktext 显示的链接文字
* @param string target 目标框架
* @param string extras 扩展参数
* @return string
*/
function make_link ($url, $linktext=false, $target=false, $extras=false) {
return sprintf("<a href=/"%s/"%s%s>%s</a>",
$url,
($target ? ' target="'.$target.'"' : ''),
($extras ? ' '.$extras : ''),
($linktext ? $linktext : $url)
);
}
/**
* 格式化用户评论
*
* @access public
* @param string
* @return void
*/
function clean_note($text) {
$text = htmlspecialchars(trim($text));
/* turn urls into links */
$text = preg_replace("/((mailto|http|ftp|nntp|news):.+?)(>|/s|/)|/"|/./s|$)/","<a href=/"/1/">/1</a>/3",$text);
/* this 'fixing' code will go away eventually. */
$fixes = array('<br>', '<p>', '</p>');
reset($fixes);
while (list(,$f) = each($fixes)) {
$text = str_replace(htmlspecialchars($f), $f, $text);
$text = str_replace(htmlspecialchars(strtoupper($f)), $f, $text);
}
/* <p> tags make things look awfully weird (breaks things out of the <code>
tag). Just convert them to <br>'s
*/
$text = str_replace (array ('<P>', '<p>'), '<br>', $text);
/* Remove </p> tags to prevent it from showing up in the note */
$text = str_replace (array ('</P>', '</p>'), '', $text);
/* preserve linebreaks */
$text = str_replace("/n", "<br>", $text);
/* this will only break long lines */
if (function_exists("wordwrap")) {
$text = wordwrap($text);
}
// Preserve spacing of user notes
$text = str_replace(" ", " ", $text);
return $text;
}
/**
* 获取图象信息的函数
*
* 一个全面获取图象信息的函数
*
* @access public
* @param string $img 图片路径
* @return array
*/
function getimageinfo($img) {
$img_info = getimagesize($img);
switch ($img_info[2]) {
case 1:
$imgtype = "GIF";
break;
case 2:
$imgtype = "JPG";
break;
case 3:
$imgtype = "PNG";
break;
}
$img_size = ceil(filesize($img)/1000)."k";
$new_img_info = array (
"width"=>$img_info[0],
"height"=>$img_info[1],
"type"=>$imgtype,
"size"=>$img_size
);
return $new_img_info;
}
/**
* 计算当前时间
*
* 以微秒为单位返回当前系统的时间
*
* @access public
* @return real
*/
function getmicrotime() {
$tmp = explode(' ', microtime());
return (real)$tmp[1]. substr($tmp[0], 1);
}
/**
* 写文件操作
*
* @access public
* @param bool
* @return void
*/
function wfile($file,$content,$mode='w') {
$oldmask = umask(0);
$fp = fopen($file, $mode);
if (!$fp) return false;
fwrite($fp,$content);
fclose($fp);
umask($oldmask);
return true;
}
/**
* 加载模板文件
*
* @access public
* @return void
*/
function tpl_load($tplfile,$path='./templates/',$empty='remove') {
global $tpl;
$path ? '' : $path='./templates/';
require_once 'HTML/Template/PHPLIB.php';
$tpl = new Template_PHPLIB($path,$empty);
$tpl->setFile('main',$tplfile);
}
/**
* 模板解析输出
*
* @access public
* @return void
*/
function tpl_output() {
global $tpl;
$tpl->parse('output','main');
$tpl->p('output');
}
/**
* 邮件发送函数
*
* @access public private
* @param bool
* @return void
*/
function mailSender($from, $to, $title, $content) {
$from ? $from = 'sender@phpe.net' : '';
$title ? $title = 'From Exceed PHP...' : '';
$sig = "
感谢您使用我们的服务./n/n
Exceed PHP(超越PHP)/n
$maildate/n/n
---------------------------------------------------------------------------------------
/n/n
去发现极限方法的唯一办法就是去超越它/n
超越PHP欢迎您(http://www.phpe.net)/n
";
$content .= $sig;
if (@mail($to, $title, $content, "From:$from/nReply-To:$from")) {
return true;
} else {
return false;
}
}
function br2none($str) {
return str_replace(array('<br>', '<br />'), "", $str);
}
/**
* UBB解析
*
* @param none
* @access public
* @return void
*/
function ubbParse($txt, $coverhtml=0) {
if ($coverhtml == 0) $txt = nl2br(new_htmlspecialchars($txt)); //BR和HTML转换
//只转换BR，不转换HTML
if ($coverhtml == 1) {
if (!preg_match('/</s*(p|br)/s*>/is', $txt) && !preg_match('/<table.+<//table>/is', $txt)) {
$txt = strip_tags($txt);
$txt = nl2br($txt);
} else {
$txt = str_replace('<?', '<?', $txt);
}
}
// pre and quote
//error_reporting(E_ALL);
$txt = preg_replace( "#/[quote/](.+?)/[/quote/]#is", "<blockquote>/1</blockquote>", $txt );
$txt = preg_replace( "#/[code/](.+?)/[/code/]#ise", "'<pre class=php>'.br2none('').'</pre>'", $txt );
// Colors 支持 套
while( preg_match( "#/[color=([^/]]+)/](.+?)/[/color/]#is", $txt ) ) {
$txt = preg_replace( "#/[color=([^/]]+)/](.+?)/[/color/]#is", "<span style='color:/1'>/2</span>", $txt );
}
// Align
$txt = preg_replace( "#/[center/](.+?)/[/center/]#is", "<center>/1</center>", $txt );
$txt = preg_replace( "#/[left/](.+?)/[/left/]#is", "<div align=left>/1</div>", $txt );
$txt = preg_replace( "#/[right/](.+?)/[/right/]#is", "<div align=right>/1</div>", $txt );
// Sub & sup
$txt = preg_replace( "#/[sup/](.+?)/[/sup/]#is", "<sup>/1</sup>", $txt );
$txt = preg_replace( "#/[sub/](.+?)/[/sub/]#is", "<sub>/1</sub>", $txt );
// email tags
// [email]avenger@php.net[/email] [email=avenger@php.net]Email me[/email]
$txt = preg_replace( "#/[email/](/S+?)/[/email/]#i" , "<a href='mailto:/1'>/1</a>", $txt );
$txt = preg_replace( "#/[email/s*=/s*/"/;([/./w/-]+/@[/./w/-]+/.[/./w/-]+)/s*/"/;/s*/](.*?)/[//email/]#i" , "<a href='mailto:/1'>/2</a>", $txt );
$txt = preg_replace( "#/[email/s*=/s*([/./w/-]+/@[/./w/-]+/.[/w/-]+)/s*/](.*?)/[//email/]#i" , "<a href='mailto:/1'>/2</a>", $txt );
// url tags
// [url]http://www.phpe.net[/url] [url=http://www.phpe.net]Exceed PHP![/url]
$txt = preg_replace( "#/[url/](/S+?)/[/url/]#i" , "<a href='/1' target='_blank'>/1</a>", $txt );
$txt = preg_replace( "#/[url/s*=/s*/"/;/s*(/S+?)/s*/"/;/s*/](.*?)/[//url/]#i" , "<a href='/1' target='_blank'>/2</a>", $txt );
$txt = preg_replace( "#/[url/s*=/s*(/S+?)/s*/](.*?)/[//url/]#i" , "<a href='/1' target='_blank'>/2</a>", $txt );
// Start off with the easy stuff
$txt = preg_replace( "#/[b/](.+?)/[/b/]#is", "<b>/1</b>", $txt );
$txt = preg_replace( "#/[i/](.+?)/[/i/]#is", "<i>/1</i>", $txt );
$txt = preg_replace( "#/[u/](.+?)/[/u/]#is", "<u>/1</u>", $txt );
$txt = preg_replace( "#/[s/](.+?)/[/s/]#is", "<s>/1</s>", $txt );
// Header text
$txt = preg_replace( "#/[h([1-6])/](.+?)/[/h[1-6]/]#is", "<h/1>/2</h/1>", $txt );
// Images
$txt = preg_replace( "#/[img/](.+?)/[/img/]#i", "<a href='/1' target='_blank'><img alt='Click to fullsize' src='/1' border='0' onload='javascript:if(this.width>500) this.width=500' align='center' hspace='10' vspace='10'></a><br />", $txt );
// Attach
$txt = preg_replace( "#/[attach/s*=/s*/"/;/s*(/S+?)/s*/"/;/s*/](.*?)/[//attach/]#i" , "<a href='/2' target='_blank'><b>相关附件：</b>/1</a>", $txt );
$txt = preg_replace( "#/[attach/s*=/s*(/S+?)/s*/](.*?)/[//attach/]#i" , "<a href='/2' target='_blank'><b>相关附件：</b>/1</a>", $txt );
// Iframe
$txt = preg_replace( "#/[iframe/](.+?)/[/iframe/]#i", "<div align='center'><iframe src='/1' style='width:96%;height:400px'></iframe><br clear='all'><a href='/1' target='_blank'>在新窗口打开链接</a></div>", $txt );
// (c) (r) and (tm)
$txt = preg_replace( "#/(c/)#i" , "©" , $txt );
$txt = preg_replace( "#/(tm/)#i" , "™" , $txt );
$txt = preg_replace( "#/(r/)#i" , "®" , $txt );
return $txt;
}
//重新格式化日期
function format_date($date) {
if (!preg_match('/^/d+$/', $date)) $date = strtotime(trim($date));
$sec = time() - $date;
//Sec 1 day is 86400
if ($sec < 86400) {
return round($sec/3600). ' hours ago';
} elseif ($sec < (86400 * 7)) {
return round($sec/86400). ' days ago';
} elseif ($sec < (86400 * 7 * 4)) {
return round($sec/(86400*7)). ' weeks ago';
} else {
return date('Y-m-d', $date);
}
}
?>
