function.inc.php超越php_php实例-php教程-PHP中文网

/**
* Global Function
*
* @author Avenger
* @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 "";
}
/**
* 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 "";
} else {
echo "";
}
}
/**
* 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='//m.sbmmt.com/m/') {
$ftpid=@ftp_connect($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($ftpid,'//m.sbmmt.com/m/'.$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("%s",
$url,
($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|$)/","\1\3",$text);
/* this 'fixing' code will go away eventually. */
$fixes = array('
', '

', '

');
reset($fixes);
while (list(,$f) = each($fixes)) {
$text = str_replace(htmlspecialchars($f), $f, $text);
$text = str_replace(htmlspecialchars(strtoupper($f)), $f, $text);
}
/*

tags make things look awfully weird (breaks things out of the tag). Just convert them to 's */ $text = str_replace (array ('

', '

'), ' ', $text); /* Remove

 tags to prevent it from showing up in the note */ 
    $text = str_replace (array ('
', '
'), '', $text); 
    /* preserve linebreaks */ 
    $text = str_replace("\n", "
", $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('
', '
'), "", $str); 
} 
/** 
 * UBB解析 
 * 
 * @param      none 
 * @access     public 
 * @return     void 
*/ 
function ubbParse($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('//is', $txt)) { 
            $txt = strip_tags($txt); 
            $txt = nl2br($txt); 
        } else { 
            $txt = str_replace('        } 
    } 
    // pre and quote 
    //error_reporting(E_ALL); 
    $txt = preg_replace( "#\[quote\](.+?)\[/quote\]#is", "\1
", $txt ); 
    $txt = preg_replace( "#\[code\](.+?)\[/code\]#ise", "''.br2none('').'
'", $txt ); 
    // Colors 支持篏套 
    while( preg_match( "#\[color=([^\]]+)\](.+?)\[/color\]#is", $txt ) ) { 
        $txt = preg_replace( "#\[color=([^\]]+)\](.+?)\[/color\]#is", "\2", $txt ); 
    } 
    // Align 
    $txt = preg_replace( "#\[center\](.+?)\[/center\]#is", "\1", $txt ); 
    $txt = preg_replace( "#\[left\](.+?)\[/left\]#is", "\1
", $txt ); 
    $txt = preg_replace( "#\[right\](.+?)\[/right\]#is", "\1
", $txt ); 
    // Sub & sup 
    $txt = preg_replace( "#\[sup\](.+?)\[/sup\]#is", "^\1", $txt ); 
    $txt = preg_replace( "#\[sub\](.+?)\[/sub\]#is", "_\1", $txt ); 
    // email tags 
    // [email]avenger@php.net[/email]   [email=avenger@php.net]Email me[/email] 
    $txt = preg_replace( "#\[email\](\S+?)\[/email\]#i"                                                                , "\1", $txt ); 
    $txt = preg_replace( "#\[email\s*=\s*\"\;([\.\w\-]+\@[\.\w\-]+\.[\.\w\-]+)\s*\"\;\s*\](.*?)\[\/email\]#i"  , "\2", $txt ); 
    $txt = preg_replace( "#\[email\s*=\s*([\.\w\-]+\@[\.\w\-]+\.[\w\-]+)\s*\](.*?)\[\/email\]#i"                       , "\2", $txt ); 
    // url tags 
    // [url]http://www.phpe.net[/url]   [url=http://www.phpe.net]Exceed PHP![/url] 
    $txt = preg_replace( "#\[url\](\S+?)\[/url\]#i"                                       , "\1", $txt ); 
    $txt = preg_replace( "#\[url\s*=\s*\"\;\s*(\S+?)\s*\"\;\s*\](.*?)\[\/url\]#i" , "\2", $txt ); 
    $txt = preg_replace( "#\[url\s*=\s*(\S+?)\s*\](.*?)\[\/url\]#i"                       , "\2", $txt ); 
    // Start off with the easy stuff 
    $txt = preg_replace( "#\[b\](.+?)\[/b\]#is", "\1", $txt ); 
    $txt = preg_replace( "#\[i\](.+?)\[/i\]#is", "\1", $txt ); 
    $txt = preg_replace( "#\[u\](.+?)\[/u\]#is", "\1", $txt ); 
    $txt = preg_replace( "#\[s\](.+?)\[/s\]#is", "\1", $txt ); 
    // Header text 
    $txt = preg_replace( "#\[h([1-6])\](.+?)\[/h[1-6]\]#is", "\2", $txt ); 
    // Images 
    $txt = preg_replace( "#\[img\](.+?)\[/img\]#i", "
", $txt ); 
    // Attach 
    $txt = preg_replace( "#\[attach\s*=\s*\"\;\s*(\S+?)\s*\"\;\s*\](.*?)\[\/attach\]#i" , "相关附件：\1", $txt ); 
    $txt = preg_replace( "#\[attach\s*=\s*(\S+?)\s*\](.*?)\[\/attach\]#i"                       , "相关附件：\1", $txt ); 
    // Iframe 
    $txt = preg_replace( "#\[iframe\](.+?)\[/iframe\]#i", "
在新窗口打开链接
", $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); 
    } 
} 
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