php、yii通用globals方法

<?php
// 全局函数库
/**
 * 获得当前的脚本网址
 * return $nowurl;

 */

function GetCurUrl()
{
if(!empty($_SERVER["REQUEST_URI"]))
{
$scriptName = $_SERVER["REQUEST_URI"];
$nowurl = $scriptName;
}
else{
$scriptName = $_SERVER["PHP_SELF"];
if(empty($_SERVER["QUERY_STRING"]))
{
$nowurl = $scriptName;
}
else{
$nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
}
}
return $nowurl;
}

/**
 * 将URL中的某参数设为某值
 * @param $url 网址如：www.xxx.com/a.php?key=330
 * @param $key  修改的参数
 * @param $value 修改的值

 */

function url_set_value($url,$key,$value)
{
$a=explode('?',$url);
$url_f=$a[0];
$query=$a[1];
parse_str($query,$arr);
$arr[$key]=$value;
return $url_f.'?'.http_build_query($arr);
}

/**
 * 获取IP
 * return $nowurl;
 */

function GetIP() {
    if ($_SERVER["HTTP_X_FORWARDED_FOR"])
        $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
    else if ($_SERVER["HTTP_CLIENT_IP"])
        $ip = $_SERVER["HTTP_CLIENT_IP"];
    else if ($_SERVER["REMOTE_ADDR"])
        $ip = $_SERVER["REMOTE_ADDR"];
    else if (getenv("HTTP_X_FORWARDED_FOR"))
        $ip = getenv("HTTP_X_FORWARDED_FOR");
    else if (getenv("HTTP_CLIENT_IP"))
        $ip = getenv("HTTP_CLIENT_IP");
    else if (getenv("REMOTE_ADDR"))
        $ip = getenv("REMOTE_ADDR");
    else
        $ip = "Unknown";
    return $ip;
}

/**
 * 时间的增加
 * @param $date 日期数据
 * @param $int  要增加的数值
 * @param $unit 增加的单位
 */

function DateAdd($date, $int, $unit = "d") {
    $dateArr = explode("-", $date);
    $value[$unit] = $int;
    return date("Y-m-d", mktime(0,0,0, $dateArr[1] + $value['m'], $dateArr[2] + $value['d'], $dateArr[0] + $value['y']));
}

/**
 * 计算出给出的日期是星期几
 * @param $date 日期数据
 */

function GetWeekDay($date) {
    $dateArr = explode("-", $date);
    return date("w", mktime(0,0,0,$dateArr[1],$dateArr[2],$dateArr[0]));
}

/**
 * 检查日期是否合法日期
 * @param $date 检查的日期
 */

function check_date($date) {
    $dateArr = explode("-", $date);
    if (is_numeric($dateArr[0]) && is_numeric($dateArr[1]) && is_numeric($dateArr[2])) {
        return checkdate($dateArr[1],$dateArr[2],$dateArr[0]);
    }
    return false;
}

/**
 * 检查时间是否合法时间
 * @param $time 需要检查的时间
 */

function check_time($time) {
    $timeArr = explode(":", $time);
    if (is_numeric($timeArr[0]) && is_numeric($timeArr[1]) && is_numeric($timeArr[2])) {
        if (($timeArr[0] >= 0 && $timeArr[0] <= 23) && ($timeArr[1] >= 0 && $timeArr[1] <= 59) && ($timeArr[2] >= 0 && $timeArr[2] <= 59))
            return true;
        else
            return false;
    }
    return false;
}

/**
 * 时间比较函数，返回两个日期相差几秒、几分钟、几小时或几天
 * @param $date1 比较时间1
 * @param $date2 比较时间2
 * @param $unit  返回格式
 */

function DateDiff($date1, $date2, $unit = "") {
    switch ($unit) {
        case 's':
            $dividend = 1;
            break;
        case 'i':
            $dividend = 60;
            break;
        case 'h':
            $dividend = 3600;
            break;
        case 'd':
            $dividend = 86400;
            break;
        default:
            $dividend = 86400;
    }
    $time1 = strtotime($date1);
    $time2 = strtotime($date2);
    if ($time1 && $time2)
        return (float)($time1 - $time2) / $dividend;
    return false;
}

/**
 * 获取访问者浏览器
 * 调用方法$browser=browseinfo() ;
 * 直接返回结果
 */

function browse_infor()
{
$browser="";$browserver="";
$Browsers =array("Lynx","MOSAIC","AOL","Opera","JAVA","MacWeb","WebExplorer","OmniWeb");
$Agent = $GLOBALS["HTTP_USER_AGENT"];
for ($i=0; $i<=7; $i++)
{
if (strpos($Agent,$Browsers[$i]))
{
$browser = $Browsers[$i];
$browserver ="";
}
}
if (ereg("Mozilla",$Agent) && !ereg("MSIE",$Agent))
{
$temp =explode("(", $Agent); $Part=$temp[0];
$temp =explode("/", $Part); $browserver=$temp[1];
$temp =explode(" ",$browserver); $browserver=$temp[0];
$browserver =preg_replace("/([d.]+)/","1",$browserver);
$browserver = " $browserver";
$browser = "Netscape Navigator";
}
if (ereg("Mozilla",$Agent) && ereg("Opera",$Agent))
{
$temp =explode("(", $Agent); $Part=$temp[1];
$temp =explode(")", $Part); $browserver=$temp[1];
$temp =explode(" ",$browserver);$browserver=$temp[2];
$browserver =preg_replace("/([d.]+)/","1",$browserver);
$browserver = " $browserver";
$browser = "Opera";
}
if (ereg("Mozilla",$Agent) && ereg("MSIE",$Agent))
{
$temp = explode("(", $Agent); $Part=$temp[1];
$temp = explode(";",$Part); $Part=$temp[1];
$temp = explode(" ",$Part);$browserver=$temp[2];
$browserver =preg_replace("/([d.]+)/","1",$browserver);
$browserver = " $browserver";
$browser = "Internet Explorer";
}
if ($browser!="")
{
$browseinfo = "$browser$browserver";
}
else{
$browseinfo = "Unknown";
}
return $browseinfo;
}

/**
 * 获取访问者操作系统
 * 调用方法$os=os_infor()
 * 直接返回结果
 */

function osinfo() {
$os="";
$Agent = $GLOBALS["HTTP_USER_AGENT"];
if (eregi('win',$Agent) && strpos($Agent, '95')) {
$os="Windows 95";
}
elseif (eregi('win 9x',$Agent) && strpos($Agent, '4.90')) {
$os="Windows ME";
}
elseif (eregi('win',$Agent) && ereg('98',$Agent)) {
$os="Windows 98";
}
elseif (eregi('win',$Agent) && eregi('nt 5.0',$Agent)) {
$os="Windows 2000";
}
elseif (eregi('win',$Agent) && eregi('nt',$Agent)) {
$os="Windows NT";
}
elseif (eregi('win',$Agent) && eregi('nt 5.1',$Agent)) {
$os="Windows XP";
}
elseif (eregi('win',$Agent) && ereg('32',$Agent)) {
$os="Windows 32";
}
elseif (eregi('linux',$Agent)) {
$os="Linux";
}
elseif (eregi('unix',$Agent)) {
$os="Unix";
}
elseif (eregi('sun',$Agent) && eregi('os',$Agent)) {
$os="SunOS";
}
elseif (eregi('ibm',$Agent) && eregi('os',$Agent)) {
$os="IBM OS/2";
}
elseif (eregi('Mac',$Agent) && eregi('PC',$Agent)) {
$os="Macintosh";
}
elseif (eregi('PowerPC',$Agent)) {
$os="PowerPC";
}
elseif (eregi('AIX',$Agent)) {
$os="AIX";
}
elseif (eregi('HPUX',$Agent)) {
$os="HPUX";
}
elseif (eregi('NetBSD',$Agent)) {
$os="NetBSD";
}
elseif (eregi('BSD',$Agent)) {
$os="BSD";
}
elseif (ereg('OSF1',$Agent)) {
$os="OSF1";
}
elseif (ereg('IRIX',$Agent)) {
$os="IRIX";
}
elseif (eregi('FreeBSD',$Agent)) {
$os="FreeBSD";
}
if ($os=='') $os = "Unknown";
return $os;
}

/**
 * 返回经addslashes处理过的字符串或数组
 * @param $string 需要处理的字符串或数组
 * @return mixed
 */

function new_addslashes($string){
if(!is_array($string)) return addslashes($string);
foreach($string as $key => $val) $string[$key] = new_addslashes($val);
return $string;
}

/**
 * 返回经stripslashes处理过的字符串或数组
 * @param $string 需要处理的字符串或数组
 * @return mixed
 */

function new_stripslashes($string) {
if(!is_array($string)) return stripslashes($string);
foreach($string as $key => $val) $string[$key] = new_stripslashes($val);
return $string;
}

/**
 * 返回经addslashe处理过的字符串或数组
 * @param $obj 需要处理的字符串或数组
 * @return mixed
 */

function new_html_special_chars($string) {
if(!is_array($string)) return htmlspecialchars($string);
foreach($string as $key => $val) $string[$key] = new_html_special_chars($val);
return $string;
}

/**
 * 安全过滤函数
 *
 * @param $string
 * @return string
 */

function safe_replace($string) {
$string = str_replace('%20','',$string);
$string = str_replace('%27','',$string);
$string = str_replace('%2527','',$string);
$string = str_replace('*','',$string);
$string = str_replace('"','"',$string);
$string = str_replace("'",'',$string);
$string = str_replace('"','',$string);
$string = str_replace(';','',$string);
$string = str_replace('<','<',$string);
$string = str_replace('>','>',$string);
$string = str_replace("{",'',$string);
$string = str_replace('}','',$string);
return $string;
}

/**
 * 过滤ASCII码从0-28的控制字符
 * @return String
 */

function trim_unsafe_control_chars($str) {
$rule = '/[' . chr ( 1 ) . '-' . chr ( 8 ) . chr ( 11 ) . '-' . chr ( 12 ) . chr ( 14 ) . '-' . chr ( 31 ) . ']*/';
return str_replace ( chr ( 0 ), '', preg_replace ( $rule, '', $str ) );
}

/**
 * 格式化文本域内容
 *
 * @param $string 文本域内容
 * @return string
 */

function trim_textarea($string) {
$string = nl2br ( str_replace ( ' ', ' ', $string ) );
return $string;
}

/**
 * 将文本格式成适合js输出的字符串
 * @param string $string 需要处理的字符串
 * @param intval $isjs 是否执行字符串格式化，默认为执行
 * @return string 处理后的字符串
 */

function format_js($string, $isjs = 1){
$string = addslashes(str_replace(array("\r", "\n"), array('', ''), $string));
return $isjs ? 'document.write("'.$string.'");' : $string;
}

/**
 * 转义 javascript 代码标记
 *
 * @param $str
 * @return mixed
 */

function trim_script($str) {
$str = preg_replace ( '/\<([\/]?)script([^\>]*?)\>/si', '<\\1script\\2>', $str );
$str = preg_replace ( '/\<([\/]?)iframe([^\>]*?)\>/si', '<\\1iframe\\2>', $str );
$str = preg_replace ( '/\<([\/]?)frame([^\>]*?)\>/si', '<\\1frame\\2>', $str );
$str = preg_replace ( '/]]\>/si', ']] >', $str );
return $str;
}

/**
 * 字符截取 支持UTF8/GBK
 * @param $string
 * @param $length
 * @param $dot
 */

function str_cut($string, $length, $dot = '') {
$CHARSET = Yii::app()->charset;
$strlen = strlen($string);
if($strlen <= $length) return $string;
$string = str_replace(array(' ',' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), array(' ',' ', '&', '"', "'", '“', '”', '—', '<', '>', '·', '…'), $string);
$strcut = '';
if(strtolower($CHARSET) == 'utf-8') {
$length = intval($length-strlen($dot)-$length/3);
$n = $tn = $noc = 0;
while($n < strlen($string)) {
$t = ord($string[$n]);
if($t == 9 || $t == 10 || (32 <= $t && $t <= 126)) {
$tn = 1; $n++; $noc++;
} elseif(194 <= $t && $t <= 223) {
$tn = 2; $n += 2; $noc += 2;
} elseif(224 <= $t && $t <= 239) {
$tn = 3; $n += 3; $noc += 2;
} elseif(240 <= $t && $t <= 247) {
$tn = 4; $n += 4; $noc += 2;
} elseif(248 <= $t && $t <= 251) {
$tn = 5; $n += 5; $noc += 2;
} elseif($t == 252 || $t == 253) {
$tn = 6; $n += 6; $noc += 2;
} else {
$n++;
}
if($noc >= $length) {
break;
}
}
if($noc > $length) {
$n -= $tn;
}
$strcut = substr($string, 0, $n);
$strcut = str_replace(array('∵', '&', '"', "'", '“', '”', '—', '<', '>', '·', '…'), array(' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), $strcut);
}
else {
$dotlen = strlen($dot);
$maxi = $length - $dotlen - 1;
$current_str = '';
$search_arr = array('&',' ', '"', "'", '“', '”', '—', '<', '>', '·', '…','∵');
$replace_arr = array('&',' ', '"', ''', '“', '”', '—', '<', '>', '·', '…',' ');
$search_flip = array_flip($search_arr);
for ($i = 0; $i < $maxi; $i++) {
$current_str = ord($string[$i]) > 127 ? $string[$i].$string[++$i] : $string[$i];
if (in_array($current_str, $search_arr)) {
$key = $search_flip[$current_str];
$current_str = str_replace($search_arr[$key], $replace_arr[$key], $current_str);
}
$strcut .= $current_str;
}
}
return $strcut.$dot;
}

/**
 * 获取请求ip
 * @return ip地址
 */

function ip() {
if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
$ip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
$ip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
$ip = getenv('REMOTE_ADDR');
} elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
$ip = $_SERVER['REMOTE_ADDR'];
}
return preg_match ( '/[\d\.]{7,15}/', $ip, $matches ) ? $matches [0] : '';
}

/**
 * 程序执行时间
 *
 * @returnint单位ms
 */

function execute_time() {
$stime = explode ( ' ', SYS_START_TIME );
$etime = explode ( ' ', microtime () );
return number_format ( ($etime [1] + $etime [0] - $stime [1] - $stime [0]), 6 );
}

/**
 * 产生随机字符串
 *
 * @param    int        $length  输出长度
 * @param    string     $chars   可选的 ，默认为 0123456789
 * @return   string     字符串
 */

function random($length, $chars = '0123456789') {
$hash = '';
$max = strlen($chars) - 1;
for($i = 0; $i < $length; $i++) {
$hash .= $chars[mt_rand(0, $max)];
}
return $hash;
}

/**
 * 将字符串转换为数组
 *
 * @paramstring$data字符串
 * @returnarray返回数组格式，如果，data为空，则返回空数组
 */

function string2array($data) {
if($data == '') return array();
eval("\$array = $data;");
return $array;
}

/**
 * 将数组转换为字符串
 *
 * @paramarray$data数组
 * @parambool$isformdata如果为0，则不使用new_stripslashes处理，可选参数，默认为1
 * @returnstring返回字符串，如果，data为空，则返回空
 */

function array2string($data, $isformdata = 1) {
if($data == '') return '';
if($isformdata) $data = new_stripslashes($data);
return addslashes(var_export($data, TRUE));
}

/**
 * 转换字节数为其他单位
 *
 *
 * @paramstring$filesize字节大小
 * @returnstring返回大小
 */

function sizecount($filesize) {
if ($filesize >= 1073741824) {
$filesize = round($filesize / 1073741824 * 100) / 100 .' GB';
} elseif ($filesize >= 1048576) {
$filesize = round($filesize / 1048576 * 100) / 100 .' MB';
} elseif($filesize >= 1024) {
$filesize = round($filesize / 1024 * 100) / 100 . ' KB';
} else {
$filesize = $filesize.' Bytes';
}
return $filesize;
}

/**
 * 查询字符是否存在于某字符串
 *
 * @param $haystack 字符串
 * @param $needle 要查找的字符
 * @return bool
 */

function str_exists($haystack, $needle)
{
return !(strpos($haystack, $needle) === FALSE);
}

/**
 * 取得文件扩展
 *
 * @param $filename 文件名
 * @return 扩展名
 */

function fileext($filename) {
return strtolower(trim(substr(strrchr($filename, '.'), 1, 10)));
}

/**
 * 生成sql语句，如果传入$in_cloumn 生成格式为 IN('a', 'b', 'c')
 * @param $data 条件数组或者字符串
 * @param $front 连接符
 * @param $in_column 字段名称
 * @return string
 */

function to_sqls($data, $front = ' AND ', $in_column = false) {
if($in_column && is_array($data)) {
$ids = '\''.implode('\',\'', $data).'\'';
$sql = "$in_column IN ($ids)";
return $sql;
}
else{
if ($front == '') {
$front = ' AND ';
}
if(is_array($data) && count($data) > 0) {
$sql = '';
foreach ($data as $key => $val) {
$sql .= $sql ? " $front `$key` = '$val' " : " `$key` = '$val' ";
}
return $sql;
}
else{
return $data;
}
}
}

/**
 * 判断email格式是否正确
 * @param $email
 */

function is_email($email) {
return strlen($email) > 6 && preg_match("/^[\w\-\.]+@[\w\-\.]+(\.\w+)+$/", $email);
}

/**
 * 文件下载
 * @param $filepath 文件路径
 * @param $filename 文件名称
 */

function file_down($filepath, $filename = '') {
if(!$filename) $filename = basename($filepath);
if(is_ie()) $filename = rawurlencode($filename);
$filetype = fileext($filename);
$filesize = sprintf("%u", filesize($filepath));
if(ob_get_length() !== false) @ob_end_clean();
header('Pragma: public');
header('Last-Modified: '.gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Cache-Control: pre-check=0, post-check=0, max-age=0');
header('Content-Transfer-Encoding: binary');
header('Content-Encoding: none');
header('Content-type: '.$filetype);
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Content-length: '.$filesize);
readfile($filepath);
exit;
}

/**
 * 判断字符串是否为utf8编码，英文和半角字符返回ture
 * @param $string
 * @return bool
 */

function is_utf8($string) {
return preg_match('%^(?:
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
| \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
)*$%xs', $string);
}

/**
 * 对用户的密码进行加密
 * @param $password
 * @param $encrypt //传入加密串，在修改密码时做认证
 * @return array/password
 */

function password($password, $encrypt='') {
$pwd = array();
$pwd['encrypt'] =  $encrypt ? $encrypt : create_randomstr();
$pwd['password'] = md5(md5(trim($password)).$pwd['encrypt']);
return $encrypt ? $pwd['password'] : $pwd;
}

/**
 * 生成随机字符串
 * @param string $lenth 长度
 * @return string 字符串
 */

function create_randomstr($lenth = 6) {
return random($lenth, '123456789abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ');
}

/**
 * 检查密码长度是否符合规定
 *
 * @param STRING $password
 * @return TRUE or FALSE
 */

function is_password($password) {
$strlen = strlen($password);
if($strlen >= 6 && $strlen <= 20) return true;
return false;
}

/**
 * 检测输入中是否含有错误字符
 *
 * @param char $string 要检查的字符串名称
 * @return TRUE or FALSE
 */

function is_badword($string) {
$badwords = array("\\",'&',' ',"'",'"','/','*',',','<','>',"\r","\t","\n","#");
foreach($badwords as $value){
if(strpos($string, $value) !== FALSE) {
return TRUE;
}
}
return FALSE;
}

/**
 * 检查用户名是否符合规定
 *
 * @param STRING $username 要检查的用户名
 * @return TRUE or FALSE
 */

function is_username($username) {
$strlen = strlen($username);
if(is_badword($username) || !preg_match("/^[a-zA-Z0-9_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]+$/", $username)){
return false;
} elseif ( 20 <= $strlen || $strlen < 2 ) {
return false;
}
return true;
}

/**
 * 检查id是否存在于数组中
 *
 * @param $id
 * @param $ids
 * @param $s
 */

function check_in($id, $ids = '', $s = ',') {
if(!$ids) return false;
$ids = explode($s, $ids);
return is_array($id) ? array_intersect($id, $ids) : in_array($id, $ids);
}

/**
 * 对数据进行编码转换
 * @param array/string $data       数组
 * @param string $input     需要转换的编码
 * @param string $output    转换后的编码
 */

function array_iconv($data, $input = 'gbk', $output = 'utf-8') {
$encode_arr = array('UTF-8','ASCII','GBK','GB2312','BIG5','JIS','eucjp-win','sjis-win','EUC-JP');
$encoded = mb_detect_encoding($data, $encode_arr);


if (!is_array($data)) {
return mb_convert_encoding($data, $output, $encoded);
}
else {
foreach ($data as $key=>$val) {
if(is_array($val)) {
$data[$key] = array_iconv($val, $input, $output);
} else {
$data[$key] = mb_convert_encoding($data, $output, $encoded);
}
}
return $data;
}
}

/**
 * 函数:get_magic_quotes_gpc在OFF状态下处理字符串的函数.
 * @param string $arr     需要处理的字符串
 */

function strip_magic_quotes($arr)
{
        foreach ($arr as $k => $v)
        {
                if (is_array($v))
                        { $arr[$k] = strip_magic_quotes($v); }
                else
                        { $arr[$k] = stripslashes($v); }
        }


        return $arr;
}


if (get_magic_quotes_gpc())
{
        if (!empty($_GET))    { $_GET    = strip_magic_quotes($_GET);    }
        if (!empty($_POST))   { $_POST   = strip_magic_quotes($_POST);   }
        if (!empty($_COOKIE)) { $_COOKIE = strip_magic_quotes($_COOKIE); }
}

/**
 * 表单验证的函数
 * @param $form_vars  数组
 */

function filled_out($form_vars)
{
  // test that each variable has a value
  foreach ($form_vars as $key => $value)
  {
     if (!isset($key) || ($value == ''))
        return false;
  }
  return true;
}

/**
 * js中的escape及unescape函数的php实现
 * 在用js传递数据的时候经常会用到的！
 */

function phpescape($str)
{
         $sublen=strlen($str);
         $retrunString="";
         for ($i=0;$i<$sublen;$i++)
         {
                  if(ord($str[$i])>=127)
                  {
                           $tmpString=bin2hex(iconv("gb2312","ucs-2",substr($str,$i,2)));
                           //$tmpString=substr($tmpString,2,2).substr($tmpString,0,2);window下可能要打开此项
                           $retrunString.="%u".$tmpString;
                           $i++;
                  } else {
                           $retrunString.="%".dechex(ord($str[$i]));
                  }
         }
         return $retrunString;
}
function unescape($str) {
         $str = rawurldecode($str);
         preg_match_all("/%u.{4}|&#x.{4};|&#\d+;|.+/U",$str,$r);
         $ar = $r[0];
         foreach($ar as $k=>$v) {
                  if(substr($v,0,2) == "%u")
                           $ar[$k] = iconv("UCS-2","GBK",pack("H4",substr($v,-4)));
                  elseif(substr($v,0,3) == "&#x")
                           $ar[$k] = iconv("UCS-2","GBK",pack("H4",substr($v,3,-1)));
                  elseif(substr($v,0,2) == "&#") {
                           $ar[$k] = iconv("UCS-2","GBK",pack("n",substr($v,2,-1)));
                  }
         }
         return join("",$ar);
}

/*
 * 返回最佳图片的高度，宽度。以及原来的高度和宽度
 * @param $ImgFile  图片地址
 * @param $ImgW     需要处理的图片宽度
 * @param $ImgH     需要处理的图片高度
 * @param $SrcH     原高度
 * @param $SrcW     原宽度
 * @param $DstH     目标高度
 * @param $DstW     目标宽度
 * 调用时用 list($SrcW,$SrcH,$DstW,$DstH) = RtImageSize($ImgFile,200,200)
 */

function RtImageSize($ImgFile,$ImgW,$ImgH)
{
        if(file_exists($ImgFile))
        {
        $Size = @GetImageSize($ImgFile);
        $SrcW = $Size[0];
        $SrcH = $Size[1];
        $Ratio = max($SrcW/$ImgW,$SrcH/$ImgH);
        $DstW = ($SrcW / $Ratio);
        $DstH = ($SrcH / $Ratio);
        }
        return array($SrcW,$SrcH,$DstW,$DstH);
}

/*
 * 防止表单被重复提交的函数
 * 注意：用submit_table()函数之前不能有任何输出
 *
 * @param string $get_name        提交（submit）过来的变量名称
 * @param string $var_name        用来存储$get_name内容的变量名
 * @return boolean
 *
 * 用例：
 * if(submit_table('t1'))echo $t1;
 * else echo " 已提交过！";
 *
 */

function submit_table($get_name,$var_name="SUBMIT_TABLE"){
        if(!isset($_SESSION[$var_name])){
                $_SESSION[$var_name] =false;
        }
        @session_start();
        if(session_is_registered($var_name)){
                ;
        }else{
                session_register($var_name);
        }
        if (isset($get_name) and $_SESSION[$var_name]<>$get_name) {
            $_SESSION[$var_name] = $get_name;
            return true;
        } else {
            return false;
        }
}

/*
 * 插入规定大小范围的图片
 * @param string $imagePath 图片路径
 * @param int $w  图片的宽
 * @param int $h  图片的高
 * @return string 图片标签
 */

function imgWH($imagePath,$w=120,$h=100){
        $agesize = getimagesize($imagePath);
        $num=array();
        if($agesize[0]>$agesize[1]){
                $num['H']=intval($agesize[1]/$agesize[0]*$w);
                $num['W']=$w;
        }else{
                $num['H']=$h;
                $num['W']=intval($agesize[0]/$agesize[1]*$h);
        }
        $img="<img src='{$imagePath}' title='{$num['W']}x{$num['H']}' width='{$num['W']}' height='{$num['H']}' border='0' />";
        return $img;
}

/*
 *把全角数字转为半角数字
 * @param string $fnum 转换的数字串
 */
 

function GetAlabNum($fnum){
$nums = array("０","１","２","３","４","５","６","７","８","９");
$fnums = "0123456789";
for($i=0;$i<=9;$i++) $fnum = str_replace($nums[$i],$fnums[$i],$fnum);
$fnum = ereg_replace("[^0-9.]|^0{1,}","",$fnum);
if($fnum=="") $fnum=0;
return $fnum;
 }

 /*
  * 去除HTML标记
  * @param string $txt 需要处理的代码
  */

 function Text2Html($txt){
$txt = str_replace(" ","　",$txt);
$txt = str_replace("<","<",$txt);
$txt = str_replace(">",">",$txt);
$txt = preg_replace("/[rn]{1,}/isU","
rn",$txt);
return $txt;
 }

 /*
  * 读取文件函数
  * @param string $file_name 文件名字
  */
 

function readfromfile($file_name) {
if (file_exists($file_name)) {
$filenum=fopen($file_name,"r");
flock($filenum,LOCK_EX);
$file_data=fread($filenum, filesize($file_name));
rewind($filenum);
fclose($filenum);
return $file_data;
}
}

/**
 * 写文件
 * @param $file 文件名字
 * @param $cont 内容
 * @param $mod  模式
 */

function write_file($file, $cont, $mod = 'wb') {
$oldmask = umask(0);
if (!($fp=@fopen($file, $mod))) {
@fclose($fp);
return false;
}
flock($fp, LOCK_EX);
@fwrite($fp, $cont);
flock($fp, LOCK_UN);
fclose($fp);
umask($oldmask);
}

/**
 * 301 重定向
 * 用于非目录向目录重定向
 * @param $url 重定向网址
 * @param $time 重定时间
*/

function header301($url){
header( "HTTP/1.1 301 Moved Permanently" );
header( "Location: $url" );
exit;
}

/**
 * 定时跳转重定向
 * 用于非目录向目录重定向
 * @param $url 重定向网址
 * @param $time 重定时间
*/

function jump($url,$time)
{
header("refresh:$time;url=$url");
echo "<meta http-equiv='Refresh' content=$time;URL=$url>";
echo "<div align='center'>请稍等...该页将在".$time."秒后自动跳转!</div><br>";
echo "<div align='center'><a href='$url'>如不能自动跳转，请点击这里</div>";
}

/**
 * AJAX廷时重定向
 * @param $url 跳转URL
 * @param $time 廷时秒数
 * @param $space 
 * */

function jsRedirect($url,$time=3,$message=null,$space=null){
$hash = create_randomstr();
$fn = 'fn'.$hash;
$message = $message?$message:'操作成功！';
$str = "<div align='center'><div style='padding:10px 20px;'>$message</div>该页将在 <span id='".$hash."'>$time</span>秒后自动跳转!</div>";
$str .= '<script language=javascript>var int=self.setInterval("'.$fn.'()",1000);function '.$fn.'(){var t=document.getElementById("'.$hash.'").innerHTML-1;document.getElementById("'.$hash.'").innerHTML=t;}</script>';
if($space!=null){
$str .= "<script type='text/javascript'>window.setTimeout('$(\'#$space\').load(\'$url\')',$time*1000)</script>";
}else{
$str .= "<meta http-equiv='Refresh' content=$time;URL=$url>";
}
echo $str;
}

/**
 * 主要是用来替换关键词 如：关键字加粗加红
 * @param $isreplace 查找的值 数组
 * @param $replace   替换 $isreplace 中的值的值 数组
 * @param $str       要处理的字符串
 */

function strong($isreplace=array(),$replace=array(),$str){


$str = strip_tags($str);


return str_replace($isreplace,$replace,$str);
}

/**
 * 清除数据两边的多余空格
 *
 * @param $data 要进行处理的数据
 */

function trims($data) {
if(is_array($data)) {
return array_map("trims", $data);
}
else {
return trim($data);
}
}

//过滤所有空格，回车，换行

function loseSpace($data){
$data = preg_replace("/ /","",$data);
$data = preg_replace("/ /","",$data);
$data = preg_replace("/　/","",$data);
$data = preg_replace("/\r\n/","",$data);
$data = str_replace(chr(13),"",$data);
$data = str_replace(chr(10),"",$data);
$data = str_replace(chr(9),"",$data);
return $data;
}

/**
 * 过滤掉链接中所有非本站的网址链接
 * @param $str 要进行过滤的HTML内容
 *_DOMAIN_NAME_ 请自行定义
 */

function FilterLinks($str) {
preg_match_all('/\<a[^\>]*\>(.*?)\<\/a\>/i', $str, $links);
    $DOMAIN_NAME = 'c.com';
foreach($links[0] as $index=>$item) {
preg_match_all('/href=\"(.*?)\"/i', $item, $sub);


if(!preg_match('/http:\/\/(\w+?)(\.cn){0,1}\.'.$DOMAIN_NAME.'/i', $sub[1][0]) && preg_match('/^http:\/\/.*?/i', $sub[1][0])) {
$str = str_replace($item, $links[1][$index], $str);
}
}
return $str;
}

/**
 * 计算百分比
 * @param  $total 总数
 * @param  $num   基数
 * @param  $len   小数点长度
 */

function percent($total, $num, $len=2) {
if($total == 0) {
return 0;
}
else {
return round(($num/$total)*100, $len);
}
}

/**
 * 通过邮箱地址，返回邮箱的登陆网址
 * @param $email 邮箱地址
 */

function getPostOffice($email) {
// $post = Cache::getCache("postoffice");
// $keys = array_keys($post);
$domain = substr(strstr($email, "@"),1);


// if (in_array($domain, $keys)) {
// return $post[$domain];
// }
// else {
return "http://mail.".$domain;
// }
}

 /**
  * 验证码
  * @param int $num 字符个数
  * @param int $size  字符大小
  * @param int $width 验证码宽度
  * @param int $height 决验证码高度
  * @放一个font.ttf 字体到目录下
  * @调用方法：vCode(4,20,100,50);
  */ 

function vCode($num=4,$size=20, $width=0,$height=0){
         !$width && $width = $num*$size*4/5+5;
         !$height && $height = $size + 10;
         // 去掉了 0 1 O l 等
             $str = "23456789abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVW";
             $code = '';
             for ($i=0; $i<$num; $i++){
                     $code.= $str[mt_rand(0, strlen($str)-1)];
             }
             // 画图像
             $im = imagecreatetruecolor($width,$height);
             // 定义要用到的颜色
             $back_color = imagecolorallocate($im, 235, 236, 237);
             $boer_color = imagecolorallocate($im, 118, 151, 199);
             $text_color = imagecolorallocate($im, mt_rand(0,200), mt_rand(0,120), mt_rand(0,120));


             // 画背景
         imagefilledrectangle($im,0,0,$width,$height,$back_color);
             // 画边框
             imagerectangle($im,0,0,$width-1,$height-1,$boer_color);
             // 画干扰线
             for($i=0;$i<5;$i++){
                     $font_color = imagecolorallocate($im, mt_rand(0,255), mt_rand(0,255), mt_rand(0,255));
                 imagearc($im,mt_rand(-$width,$width),mt_rand(-$height,$height),mt_rand(30,$width*2),mt_rand(20,$height*2),mt_rand(0,360),mt_rand(0,360),$font_color);
                 }
         // 画干扰点
         for($i=0;$i<50;$i++){
                 $font_color = imagecolorallocate($im, mt_rand(0,255), mt_rand(0,255), mt_rand(0,255));
                 imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$font_color);
         }
         // 画验证码
         imagefttext($im, $size , 0, 5, $size+3, $text_color, './font.ttf',$code);
         header("Cache-Control: max-age=1, s-maxage=1, no-cache, must-revalidate");
         header("Content-type: image/png");
         imagepng($im);
         imagedestroy($im);
 }

/**
* 获取百度的热词
* @return array  返回百度的热词数据(数组返回)
*/

function getBaiduHotKeyWord()
{
$templateRss = file_get_contents('http://top.baidu.com/rss_xml.php?p=top10');
If (preg_match('/<table>(.*)<\/table>/is', $templateRss, $_description)) {
$templateRss = $_description [0];
$templateRss = str_replace("&", "&", $templateRss);
}
$templateRss = "<?xml version=\"1.0\" encoding=\"GBK\"?>" . $templateRss;
$xml = simplexml_load_String($templateRss);
foreach ($xml->tbody->tr as $temp) {
if (!empty ($temp->td->a)) {
$keyArray [] = trim(($temp->td->a));
}
}
return $keyArray;
}

/**
*
* getOptions 参数列表：
* - result        Options 数组
* - vals        Options 数组修改的键值 (Value)
* - except        Options 除"except"值外的数据调用
* - same        Value和Title 值是否相同
* - exceptKey    Options 除"exceptKey"键外的数据调用
*
* @return Array() $options
*/

function getOptions($result,$vals='whatthehellisthis',$except='',$same='',$exceptKey='') {
    if(!$result) return false;
    $options = "";
    while(list($key,$val) = each($result)) {
        $checkVal = false;
        if($except) {
            if(is_array($except)) $checkVal = in_array($val,$except);
            else {
                if($except == $val) $checkVal = true;
            }
        }
        if($exceptKey) {
            if(is_array($exceptKey)) $checkVal = in_array($key,$exceptKey);
            else {
                if($exceptKey == $key) $checkVal = true;
            }
        }
        if(!$checkVal) {
            if($same) $key = $val;
            $options .= "<option value='".$key."'";
            if($key == $vals) $options .= " selected";
            $options .= ">".$val."</option>\n";
        }
    }
    return $options;
}

/**
*
* getRadios 参数列表：
* - result        Radio 数组
* - name        Radio 名字
* - checked    默认选中第一个,通读索引控制 Radio 的 Checked 状态
* - vals        通过VALUE控制 Radio 的 Checked 状态
* - except        Radios 除"except"值外的数据调用
* - enter        换行参数
* - Events        事件参数
* - style        样式参数
* - disabled    显示参数
* - exceptKey    Radios 除"exceptKey"键外的数据调用
*
* @return Array() $radios
*/

function getRadios($result ,$name="radio" ,$checked='0' ,$vals='whatthehellisthis' ,$except='' ,$enter='0', $Events='' ,$style='border:solid 1 #FFFFFF;' ,$disabled='' ,$exceptKey='') {
    if(!$result) return false;
    $radios = '';
    $i = 0;


     foreach ($result as $key => $val) {
        $checkVal = false;


        if($except) {
            if(is_array($except)) $checkVal = in_array($val,$except);
            else {
                if($except == $val) $checkVal = true;
            }
        }
        if($exceptKey) {
            if(is_array($exceptKey)) $checkVal = in_array($key,$exceptKey);
            else {
                if($exceptKey == $key) $checkVal = true;
            }
        }


        if(!$checkVal) {
            $radios .= "<input name='".$name."' type='radio' value='".$key."'";
            if($key == $vals) $radios .= " checked";
            if ($checked != 'no' && $checked == $i) {
                $radios .= " checked";
            }
            if ($disabled != "" && $disabled[$i] == 1) {
                $radios .= " disabled";
            }
            $radios .= " style='".$style."' ".$Events.">".$val." ";
        }


        $i++;
            if ($enter !=0 && ($i % $enter) ==0) {
                $radios .="<Br>";
            }
    }


    return $radios;
}

/**
*
* getCheckboxs 参数列表：
* - result        Checkbox 数组
* - name        Checkbox 名字
* - checked    默认选中第一个,通读索引控制 Checkbox 的 Checked 状态
* - vals        通过VALUE控制 Checkbox 的 Checked 状态
* - except        Checkboxs 除"except"值外的数据调用
* - enter        换行参数
* - Events        事件参数
* - style        样式参数
* - disabled    显示参数
* - exceptKey    Checkboxs 除"exceptKey"键外的数据调用
*
* @return Array() $Checkboxs
*/

function  getCheckboxs($result,$name='Checkboxs', $checked='0', $vals='whatthehellisthis',$except='',$enter='0',$Events='',$style='' ,$disabled='',$exceptKey='') {
    if(!$result) return false;
    $Checkboxs = "";
    $i = 0;


     foreach ($result as $key => $val) {
        $checkVal = false;


        if($except) {
            if(is_array($except)) $checkVal = in_array($val,$except);
            else {
                if($except == $val) $checkVal = true;
            }
        }
        if($exceptKey) {
            if(is_array($exceptKey)) $checkVal = in_array($key,$exceptKey);
            else {
                if($exceptKey == $key) $checkVal = true;
            }
        }
        if(!$checkVal) {
            $Checkboxs .= "<input name='".$name."' type='Checkbox' value='".$key."'";
            if(is_array($vals) && array_key_exists($key,$vals)) $Checkboxs .= " checked";
            if(!is_array($vals) && $key == $vals)  $Checkboxs .= " checked";
            if ($checked != 'no' && $checked == $i) {
                $Checkboxs .= " checked";
            }
            if ($disabled<>"" && $disabled[$i] ==1) {
                $Checkboxs .= " disabled";
            }
            $Checkboxs .= " style=".$style." ".$Events.">".$val." ";
        }


        $i++;
            if ($enter !=0 && ($i % $enter) ==0) {
                $Checkboxs .="<Br>";
            }
    }


    return $Checkboxs;
}

/**
 * 数组重建索引
 * */

function updateKeyForArray($array){
$i=0;
foreach($array as $arr){
$newarr[$i]=$arr;
$i++;
}
return $newarr;
}

/**
 * 简化findall数据
 * */

function simplifyData($data){
foreach($data as $key=>$val){
$newData[$key] = $val->attributes;
}
return $newData;
}

/**
 * 获取会员存储在cookie里面的ID
 * */

function getUserId(){
$cookie = Yii::app()->request->getCookies();
if($cookie['MemberID'] != null){
$zm_id = $cookie['MemberID']->value;
}else{
$zm_id = NULL;
}
return $zm_id;
}

/**
 * This is the shortcut to Yii::app()
 */

function app()
{
return Yii::app();
}

/**
 * This is the shortcut to Yii::app()->clientScript
 */

function cs()
{
// You could also call the client script instance via Yii::app()->clientScript
// But this is faster
return Yii::app()->getClientScript();
}

/**
 * 加载JS
 */

function regjs($name)
{
// You could also call the client script instance via Yii::app()->clientScript
// But this is faster
return Yii::app()->clientScript->registerCoreScript($name);
}

/**
 * 加载JS
 */

function jsfile($file)
{ 
return Yii::app()->clientScript->registerScriptFile($file);
}

/**
 * 加载CSS
 */

function cssfile($file)
{ 
return Yii::app()->clientScript->registerCssFile($file);
}

/**
 * This is the shortcut to Yii::app()->user.
 */

function user()
{
return Yii::app()->getUser();
}

/**
 * This is the shortcut to Yii::app()->createUrl()
 */

function url($route,$params=array(),$ampersand='&')
{
return Yii::app()->createUrl($route,$params,$ampersand);
}

/**
 * 创建绝对地址
 * This is the shortcut to Yii::app()->createAbsoluteUrl()
 */

function domainurl($route,$params=array(),$schema='',$ampersand='&')
{
return Yii::app()->createAbsoluteUrl($route,$params,$schema,$ampersand);
}

/**
 * This is the shortcut to CHtml::encode
 */

function h($text)
{
return htmlspecialchars($text,ENT_QUOTES,Yii::app()->charset);
}

/**
 * This is the shortcut to CHtml::link()
 */

function l($text, $url = '#', $htmlOptions = array())
{
return CHtml::link($text, $url, $htmlOptions);
}

/**
 * This is the shortcut to Yii::t() with default category = 'stay'
 */

function t($message, $category = 'msg', $params = array(), $source = null, $language = null)
{
return Yii::t($category, $message, $params, $source, $language);
}

/**
 * This is the shortcut to Yii::app()->request->baseUrl
 * If the parameter is given, it will be returned and prefixed with the app baseUrl.
 */

function bu($url=null)
{
static $baseUrl;
if ($baseUrl===null)
$baseUrl=Yii::app()->getRequest()->getBaseUrl();
return $url===null ? $baseUrl : $baseUrl.'/'.ltrim($url,'/');
}

/**
 * Returns the named application parameter.
 * This is the shortcut to Yii::app()->params[$name].
 */

function param($name)
{
return Yii::app()->params[$name];
}

/**
 * Dump as many variables as you want. Infinite parameters.
 */

function dump()
{
$args = func_get_args();
foreach($args as $k => $arg){
echo '<fieldset class="debug">
        <legend>'.($k+1).'</legend>';
CVarDumper::dump($arg, 10, true);
echo '</fieldset>';
}
}
function sess($key = null, $value = null)
{
if (!empty ($key) && !empty ($value))
{
return Yii::app()->session[$key] = $value;
}
elseif (!empty ($key))
{
return Yii::app()->session[$key];
}
else
{
return Yii::app()->session;
}
}


function getSessArr()
{
return sess()->toArray();
}


function getSessId()
{
return sess()->sessionID;
}

//重新生成SESSIONSID

function regenSessId()
{
return sess()->regenerateId();
}


function printSess()
{
echo '<pre>';
foreach (getSessArr() as $key => $value)
{
echo '  '.$key .' -> '.$value.'<br/>';
}
echo '</pre>';
}


function removeSess($key)
{
return sess()->remove($key);
}


function destroySess()
{
return sess()->destroy();
}

/**
 * @return string the generated image tag
*/

function i($src, $alt='', $htmlOptions=array()) {
return CHtml::image($src, $alt, $htmlOptions);
}

/**
* 信息提示
* @param string $message  提示内容
* @param int $type  类型
* @param string $status 状态:success 成功,error 错误
* @param array $link 
* @return array
*/

function Message($message,$type ='404') {
throw new CHttpException($type,$message);
        exit;
 }

   /* set a flash message to display after the request is done */

function setFlash($message,$id='mysite') {
        Yii::app()->user->setFlash($id, $message);
    }


 function hasFlash($id='mysite') {
        return Yii::app()->user->hasFlash($id);
    }


    /* retrieve the flash message again */


 function getFlash($id='mysite') {
        if (Yii::app()->user->hasFlash($id)) {
            return Yii::app()->user->getFlash($id);
        }
    }
 
 function getErrorFlash($id='mysite') {
    if (Yii::app()->user->hasFlash($id)) {
    echo '<p class="tip">';
            echo getFlash($id);
            echo '</p>';
            Yii::app()->clientScript->registerScript('fade', "
setTimeout(function() { $('.tip').fadeOut('slow'); }, 5000);
");
    }
    }


function renderFlash($id='mysite') {
        if (Yii::app()->user->hasFlash($id)) {
            echo '<div class="errorSummary">';
            echo getFlash($id);
            echo '</div>';
            Yii::app()->clientScript->registerScript('fade', "
setTimeout(function() { $('.errorSummary').fadeOut('slow'); }, 5000);
");
        }
}

//弹出框提示

function getAlertFlash($id='mysite') {
if (Yii::app()->user->hasFlash($id)) {
Yii::app()->clientScript->registerScript('fade', '
alert_tips("","'.getFlash($id).'");');
}
}

/**
* 将XML转为ARRAY
* @param string $data  XML数据
* @return array
*/

function xml2array($data){
return $array = json_decode(json_encode(simplexml_load_string($data)),TRUE);
}

/**
* 将ARRAY转为XML
* @param array $arr  ARRAY数据
* @param int $dom  ARRAY数据
* @param int $item  ARRAY数据
* @param string/array $element  ARRAY数据
* @return array
*/

function arraytoxml($arr,$dom=0,$item=0,$element='Orders'){
    if (!$dom){
        $dom = new DOMDocument("1.0","utf-8");
        $dom->formatOutput = true;        
    }
    if(!$item){
    if(is_array($element)){
        $item = $dom->createElement($element[0]);
        }else{
        $item = $dom->createElement($element);
        }
        $dom->appendChild($item);
    }
    foreach ($arr as $key=>$val){
    if(is_array($element)){    
        $itemx = $dom->createElement(is_string($key)?$key:$element[1]);
    }else{
    $itemx = $dom->createElement(is_string($key)?$key:"item");
    }
        $item->appendChild($itemx);
    
        if (!is_array($val)){
            $text = $dom->createTextNode($val);           
            $itemx->appendChild($text);
        }else {
            arraytoxml($val,$dom,$itemx);
        }
    }
    return $dom->saveXML();
}

/**
* 将json转为XML
* @param string $source  json数据
* @param string $charset  编码
* @return array
*/

function json_to_xml($source,$charset='utf8') {  
if(emptyempty($source)){  
return false;  
}  
$array = json_decode($source);  //php5，以及以上，如果是更早版本，請下載JSON.php  
$xml  ='<!--l version="1.0" encoding="'.$charset.'-->';  
$xml .= $this->change($array);  
return $xml;  
}  


function change($source) {  
$string="";
foreach($source as $k=>$v){
$string .="<".$k.">";
if(is_array($v) || is_object($v)){       //判断是否是数组，或者，对像
$string .= $this->change($v);        //是数组或者对像就的递归调用
}else{
$string .=$v;                        //取得标签数据
}
$string .="";  
}
return $string;  
}

/**
 * 生成指定的客服链接
 * @param string $id  号码
 * @param int $type  客服类型:1:qq,2:MSN 3旺旺
 * @return string
 */

function kefu($id,$type=1){


if( $type == 1 ){
$link = '
<a target="_blank" href="http://wpa.qq.com/msgrd?v=3&uin='.$id.'&site=qq&menu=yes"><img border="0" src="'.Yii::app()->HomeUrl.'/images/qqonline.png" alt="点击这里给我发消息" title="点击这里给我发消息"/></a>';
}elseif( $type == 2 ){
$link = '<a target="blank" href="msnim:chat?contact='.$id.'">MSN在线客服</a>';
}else{
$link = '<a target="_blank" href="http://amos.im.alisoft.com/msg.aw?v=2&uid='.$id.'&site=cnalichn&s=1&charset=utf-8" ><img border="0" src="http://amos.im.alisoft.com/online.aw?v=2&uid='.$id.'&site=cnalichn&s=1&charset=utf-8" alt="点此咨询"" /></a>';
}
return $link;
}

/**
 * 把数组加密为URL可传递的字符串，只支持一维数组
 * @param array $params
 * @return string 
 */

function encryptParamsForUrl($params){
if(is_array($params)){
$keys = array_keys($params);
$values = array_values($params);
$keystr = implode('}^{',$keys);
$valuestr = implode('}^{',$values);
$hashstr = $keystr.'{)^.^(}'.$valuestr;
$hash = Yii::app()->securityManager->encrypt($hashstr);
return urlencode($hash);
}
}

/**
 * 把URL加密串解密，返回数组
 * @param string $hash
 * @return array
 */

function decryptParamsForUrl($hash){
if(is_string($hash)){
$hash = Yii::app()->securityManager->decrypt(urldecode($hash));
$arrays = explode('{)^.^(}',$hash);
$keyarray = explode('}^{',$arrays[0]);
$valuearray = explode('}^{',$arrays[1]);
$array = array();
foreach ($keyarray as $key=>$value){
$array[$value] = $valuearray[$key];
}
return $array;
}
}

/**
 * 得到新订单号
 * @return  string
 */

function get_order_id() {
    /* 选择一个随机的方案 */
    mt_srand((double) microtime() * 1000000);
    return date('Ymd') . str_pad(mt_rand(1, 999999), 6, '0', STR_PAD_LEFT);
}

/**
 * 货币格式化
 */

function money($int){
return number_format($int, 2, '.', '');
}

?>