PHP unicode_decode函数代码示例

function anaString($value = '')
{
    # code...
    global $arrayNum;
    global $arrayABC;
    global $arrayabc;
    global $arrayBoolen;
    $Result = '';
    for ($i = 0; $i < strlen($value); $i++) {
        # code...
        switch ($value[$i]) {
            case 'U':
                # code...
                $Result .= $arrayABC[array_rand($arrayABC)];
                break;
            case 'L':
                # code...
                $Result .= $arrayabc[array_rand($arrayabc)];
                break;
            case 'N':
                # code...
                $Result .= $arrayNum[array_rand($arrayNum)];
                break;
            case 'C':
                # code...
                $Result .= unicode_decode("\\u" . dechex(rand(176, 215) << 8 | rand(161, 254)));
                break;
            case 'R':
                # code...
                $rand = mt_rand(0, 3);
                switch ($rand) {
                    case 0:
                        # code...
                        $Result .= $arrayABC[array_rand($arrayABC)];
                        break;
                    case 1:
                        # code...
                        $Result .= $arrayabc[array_rand($arrayabc)];
                        break;
                    case 2:
                        # code...
                        $Result .= $arrayNum[array_rand($arrayNum)];
                        break;
                    case 3:
                        # code...
                        $Result .= unicode_decode("\\u" . dechex(rand(176, 215) << 8 | rand(161, 254)));
                        break;
                }
                // $Result .= unicode_decode("\\u" . dechex(rand(176, 215) << 8 | rand(161, 254)));
                break;
            default:
                # code...
                $Result .= $value[$i];
                break;
        }
    }
    return iconv("GBK", "UTF-8", $Result);
}

 /**
  * Load binary unicode sequence
  *
  * @return void
  */
 protected function _loadBinUnicode()
 {
     // read byte length
     $n = $this->_read(4);
     if (self::$_isLittleEndian === false) {
         $n = strrev($n);
     }
     list(, $n) = unpack('l', $n);
     $data = $this->_read($n);
     if (self::$_isPhp6) {
         $data = unicode_decode($data, 'UTF-8');
     }
     $this->_stack[] = $data;
 }

function run_test($php, $file, $env)
{
    global $log_format, $info_params, $ini_overwrites, $cwd, $PHP_FAILED_TESTS;
    global $pass_options, $DETAILED, $IN_REDIRECT, $test_cnt, $test_idx;
    global $leak_check, $temp_source, $temp_target, $cfg, $environment;
    global $no_clean;
    global $valgrind_version;
    $temp_filenames = null;
    $org_file = $file;
    if (isset($env['TEST_PHP_CGI_EXECUTABLE'])) {
        $php_cgi = $env['TEST_PHP_CGI_EXECUTABLE'];
    }
    if (is_array($file)) {
        $file = $file[0];
    }
    if ($DETAILED) {
        echo "\n=================\nTEST {$file}\n";
    }
    // Load the sections of the test file.
    $section_text = array('TEST' => '');
    $fp = fopen($file, "rb") or error("Cannot open test file: {$file}");
    $borked = false;
    $bork_info = '';
    if (!feof($fp)) {
        $line = fgets($fp);
        if ($line === false) {
            $bork_info = "cannot read test";
            $borked = true;
        }
    } else {
        $bork_info = "empty test [{$file}]";
        $borked = true;
    }
    if (!$borked && strncmp('--TEST--', $line, 8)) {
        $bork_info = "tests must start with --TEST-- [{$file}]";
        $borked = true;
    }
    $section = 'TEST';
    $secfile = false;
    $secdone = false;
    while (!feof($fp)) {
        $line = fgets($fp);
        if ($line === false) {
            break;
        }
        // Match the beginning of a section.
        if (preg_match('/^--([_A-Z]+)--/', $line, $r)) {
            $section = $r[1];
            settype($section, STRING_TYPE);
            if (isset($section_text[$section])) {
                $bork_info = "duplicated {$section} section";
                $borked = true;
            }
            $section_text[$section] = binary_section($section) ? '' : '';
            $secfile = $section == 'FILE' || $section == 'FILEEOF' || $section == 'FILE_EXTERNAL';
            $secdone = false;
            continue;
        }
        if (!binary_section($section)) {
            $line = unicode_decode($line, "utf-8");
            if ($line == false) {
                $bork_info = "cannot read test";
                $borked = true;
                break;
            }
        }
        // Add to the section text.
        if (!$secdone) {
            $section_text[$section] .= $line;
        }
        // End of actual test?
        if ($secfile && preg_match('/^===DONE===\\s*$/', $line)) {
            $secdone = true;
        }
    }
    // the redirect section allows a set of tests to be reused outside of
    // a given test dir
    if (!$borked) {
        if (@count($section_text['REDIRECTTEST']) == 1) {
            if ($IN_REDIRECT) {
                $borked = true;
                $bork_info = "Can't redirect a test from within a redirected test";
            } else {
                $borked = false;
            }
        } else {
            if (@count($section_text['FILE']) + @count($section_text['FILEEOF']) + @count($section_text['FILE_EXTERNAL']) != 1) {
                $bork_info = "missing section --FILE--";
                $borked = true;
            }
            if (@count($section_text['FILEEOF']) == 1) {
                $section_text['FILE'] = preg_replace("/[\r\n]+\$/", '', $section_text['FILEEOF']);
                unset($section_text['FILEEOF']);
            }
            if (@count($section_text['FILE_EXTERNAL']) == 1) {
                // don't allow tests to retrieve files from anywhere but this subdirectory
                $section_text['FILE_EXTERNAL'] = dirname($file) . '/' . trim(str_replace('..', '', $section_text['FILE_EXTERNAL']));
                if (file_exists($section_text['FILE_EXTERNAL'])) {
                    $section_text['FILE'] = file_get_contents($section_text['FILE_EXTERNAL'], FILE_BINARY);
                    unset($section_text['FILE_EXTERNAL']);
//.........这里部分代码省略.........

    $unistr = '';
    for ($i = 0, $len = count($arrstr); $i < $len; $i++) {
        $dec = hexdec(bin2hex($arrstr[$i]));
        $unistr .= $prefix . $dec . $postfix;
    }
    return $unistr;
}
header('Content-type: image/png');
$char = '字';
$color = array('r' => 0, 'g' => 0, 'b' => 0);
$url = $_SERVER['HTTP_HOST'];
//$file = fopen("./test.txt","w");
//fwrite($file,$url);
//fclose($file);
//$url = "5b57.af10ea.icon.sukima.me";
if (preg_match("/^[0-9a-fA-F]{4}\\.[0-9a-fA-F]{6}\\.icon\\.sukima\\.me\$/", $url)) {
    $url = substr($url, 0, 11);
    $res = explode(".", $url);
    $char = unicode_decode("\\u" . hexdec($res[0]), 'UTF-8', "\\u", '');
    $color = hex2rgb($res[1]);
} else {
    $char = '字';
}
$im = imagecreate(16, 16);
$white = ImageColorAllocate($im, 255, 255, 255);
$brush = ImageColorAllocate($im, $color['r'], $color['g'], $color['b']);
imagecolortransparent($im, $white);
$fnt = "./font.ttf";
imagettftext($im, 12, 0, 0, 14, $brush, $fnt, $char);
ImagePng($im);
ImageDestroy($im);

    $zupanija = $_REQUEST['zupanija'];
} else {
    $zupanija = null;
}
if ($zupanija != null) {
    $upit = "SELECT * FROM lovista WHERE zupanija='{$zupanija}'";
    $rezultat = $baza->selectDB($upit);
    //$nesto=$rezultat->fetch_array();
    if ($rezultat->num_rows != 0) {
        $data = array();
        while ($nesto = $rezultat->fetch_array()) {
            $data[] = array("Id" => $nesto['idlovista'], "Naziv" => $nesto['naziv'], "Zupanija" => $nesto['zupanija']);
        }
    } else {
        $ispis = "Error";
    }
} else {
    $upit = "SELECT * FROM lovista";
    $rezultat = $baza->selectDB($upit);
    //$nesto=$rezultat->fetch_array();
    if ($rezultat->num_rows != 0) {
        $data = array();
        while ($nesto = $rezultat->fetch_array()) {
            $data[] = array("Id" => $nesto['idlovista'], "Naziv" => $nesto['naziv'], "Zupanija" => $nesto['zupanija']);
        }
    } else {
        $ispis = "Error";
    }
}
echo unicode_decode(json_encode(array("list" => $data)), ENT_SUBSTITUTE);

/**
 * curl() 函数用来进行远程 http 请求
 * @param  array   $option    设置请求的参数，可最多包含下面 (array)$default 中所有的键值对
 * @param  boolean $iconvUtf8 尝试自动将文件流编码转换为 utf8, 默认位 true
 * @return string             返回请求结果，结果是字符串
 */
function curl($option = array(), $iconvUtf8 = true)
{
    /* 定义默认的参数 */
    $default = array('url' => '', 'method' => 'get', 'data' => '', 'cookie' => '', 'referer' => '', 'userAgent' => '', 'requestHeaders' => array(), 'responseHeaders' => true, 'sessionCookie' => false, 'noBody' => false, 'followLocation' => false, 'maxRedirs' => 2, 'autoReferer' => true, 'sslVerify' => false, 'proxy' => '', 'clientIp' => '', 'timeout' => 30, 'username' => '', 'password' => '', 'charset' => '');
    $option = array_merge($default, $option);
    $ch = curl_init();
    if (strtolower($option['method']) == 'post') {
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $option['data']);
    } else {
        if ($option['data']) {
            $option['url'] .= (strpos('?', $option['url']) ? '&' : '?') . (is_array($option['data']) ? http_build_query($option['data']) : $option['data']);
        }
    }
    if (is_assoc($option['requestHeaders'])) {
        foreach ($option['requestHeaders'] as $key => $value) {
            array_push($option['requestHeaders'], "{$key}: {$value}");
            unset($option['requestHeaders'][$key]);
        }
    }
    curl_setopt($ch, CURLOPT_URL, $option['url']);
    curl_setopt($ch, CURLOPT_COOKIESESSION, $option['sessionCookie']);
    curl_setopt($ch, CURLOPT_HEADER, $option['responseHeaders']);
    curl_setopt($ch, CURLINFO_HEADER_OUT, true);
    curl_setopt($ch, CURLOPT_NOBODY, $option['noBody']);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, $option['followLocation']);
    curl_setopt($ch, CURLOPT_MAXREDIRS, $option['maxRedirs']);
    curl_setopt($ch, CURLOPT_AUTOREFERER, $option['autoReferer']);
    curl_setopt($ch, CURLOPT_TIMEOUT, $option['timeout']);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
    if ($option['sslVerify']) {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 2);
    } else {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    }
    if ($option['cookie']) {
        curl_setopt($ch, CURLOPT_COOKIE, $option['cookie']);
    }
    if ($option['referer']) {
        curl_setopt($ch, CURLOPT_REFERER, $option['referer']);
    }
    if ($option['userAgent']) {
        curl_setopt($ch, CURLOPT_USERAGENT, $option['userAgent']);
    }
    if ($option['proxy']) {
        curl_setopt($ch, CURLOPT_PROXY, $option['proxy']);
    }
    if ($option['clientIp']) {
        array_push($option['requestHeaders'], 'CLIENT-IP: ' . $option['clientIp'], 'X-FORWARDED-FOR: ' . $option['clientIp']);
    }
    if (!empty($option['requestHeaders'])) {
        curl_setopt($ch, CURLOPT_HTTPHEADER, $option['requestHeaders']);
    }
    if ($option['username']) {
        curl_setopt($ch, CURLOPT_USERPWD, $option['username'] . ':' . $option['password']);
    }
    $data = curl_exec($ch);
    if (curl_errno($ch)) {
        return curl_error($ch);
    }
    curl_info(curl_getinfo($ch));
    curl_close($ch);
    if (!$option['charset'] && $iconvUtf8) {
        if (preg_match('/text\\/html;[\\s]*charset=(.*)/i', curl_info('content_type'), $matches)) {
            $option['charset'] = $matches[1];
        } else {
            if (preg_match('/<meta[\\s]*.*charset=["]*(.*)["][\\s]*.*>/i', $data, $matches)) {
                $option['charset'] = $matches[1];
            } else {
                if (preg_match('/<\\?xml[\\s]*.*encoding=["]*(.*)["][\\s]*.*>/i', $data, $matches)) {
                    $option['charset'] = $matches[1];
                }
            }
        }
    }
    if ($option['charset']) {
        $data = iconv($option['charset'], 'UTF-8', $data);
    }
    curl_info('response_headers', parse_headers(substr($data, 0, curl_info('header_size'))));
    curl_info('request_headers', parse_headers(curl_info('request_header')));
    curl_info('request_header', null);
    return unicode_decode(substr($data, curl_info('header_size')));
}

 function get_message($num_iid, $focus = false)
 {
     global $_G;
     if ($_G[setting][get_message] || $focus) {
         //	$url =    'http://hws.m.taobao.com/cache/mtop.wdetail.getItemDescx/4.1/?data=%7B%22item_num_id%22%3A%2243151340941%22%7D';
         $url = 'http://hws.m.taobao.com/cache/mtop.wdetail.getItemDescx/4.1/?data=';
         $url .= urlencode_utf8('{"item_num_id":"' . $num_iid . '"}');
         $message = fetch($url);
         if (!$message) {
             return '';
         }
         if (TAE) {
             $content = unicode_decode($content, 'UTF-8', "");
         }
         $data2 = json_decode($message, 1);
         if (!is_array($data2)) {
             L('详情获取失败:' . $data2[ret][0] . ',url=>' . $url);
             return '';
         } elseif ($data2[ret][0] != 'SUCCESS::接口调用成功') {
             L('详情获取失败:' . $data2[ret][0] . ',url=>' . $url);
             return false;
         } elseif (is_array($data2[data][images])) {
             $message = '';
             foreach ($data2[data][images] as $k => $v) {
                 $message .= '<p class="goods_imgs"><img src="' . $v . '" ></p>';
             }
             return $message;
         }
     }
     return '';
 }

                    $name .= $c;
                } else {
                    $name .= $str;
                }
            }
        }
        return $name;
    }
    for ($x = 0; $x < $pass_num; $x++) {
        $content = '';
        $str = "";
        for ($i = 0; $i < $pass_length; $i++) {
            // echo "&#x" . dechex(rand(176, 215) << 8 | rand(161, 254)) . ";";
            $str .= "\\u" . dechex(rand(176, 215) << 8 | rand(161, 254));
        }
        $content .= unicode_decode($str);
        // echo '<p style="'.$resultStyle.'">' . $content . '</p>';
        echo '<p style="' . $resultStyle . '">' . $content . '</p>';
    }
} else {
    if ($pass_struct != null) {
        // var_dump($pass_struct);
        for ($x = 0; $x < $pass_num; $x++) {
            $resultString = '';
            # code...
            // $pass_struct_each = $value;
            for ($x = 0; $x < $pass_num; $x++) {
                $resultString = '';
                foreach (str_split($pass_struct) as $key => $value) {
                    # code...
                    switch ($value) {

<?php

header("Content-type: text/html; charset=utf-8");
$num = '_' . base_convert('http://inankai.com', 16, 10);
$num2 = base_convert('http://in2732.om', 10, 16);
$_2732 = unicode_decode("\\u6211\\u662f\\u7231");
$aac = unicode_decode("\\u7684");
echo unicode_encode($name);
echo ${$num} . "inankai" . ${$num2};
function unicode_encode($name)
{
    $name = iconv('UTF-8', 'UCS-2', $name);
    $len = strlen($name);
    $str = '';
    for ($i = 0; $i < $len - 1; $i = $i + 2) {
        $c = $name[$i];
        $c2 = $name[$i + 1];
        if (ord($c) > 0) {
            // 两个字节的文字
            $str .= '\\u' . base_convert(ord($c), 10, 16) . base_convert(ord($c2), 10, 16);
        } else {
            $str .= $c2;
        }
    }
    return $str;
}
function unicode_decode($name)
{
    $pattern = '/([\\w]+)|(\\\\u([\\w]{4}))/i';
    preg_match_all($pattern, $name, $matches);
    if (!empty($matches)) {

function filter_gen($str, $ext = 0)
{
    $ext = !empty($ext) ? 1 : 0;
    $re_arr = array(' ', '【', '】', '★', '?', '☆', '(', ')', '（', '）', '.', '：', ':', '≪', '≫', '。', '，', '"', '&', '『', '』', '「', '」', 'φ', '\'', '・', '●', '◆', '*', '+', '#', '%', '$', '^', '|', '_', '[', ']', '〔', '〕', 'ü', '-', ' ');
    $str = str_replace($re_arr, '', $str);
    $str = utf8_unicode($str);
    $str = unicode_decode($str);
    //hwz:两次转换用于过滤其他无法识别的字符！
    if ($ext) {
        $str = filter_blankstr($str);
    }
    return $str;
}

function do_import_resume($info, $uid)
{
    global $db, $_CFG, $timestamp;
    if ($info && $uid) {
        require_once QISHI_ROOT_PATH . '/include/fun_import.php';
        if (empty($info['basicinfo'])) {
            return false;
        }
        $info['basicinfo']['fullname'] = unicode_decode($info['basicinfo']['fullname']);
        $setsqlarr = iconv_to_gbk($info['basicinfo']);
        $setsqlarr['uid'] = intval($uid);
        $setsqlarr['title'] = "未命名简历";
        $setsqlarr['display_name'] = 1;
        $setsqlarr['sex'] = $setsqlarr['sex_cn'] == '男' ? 1 : 2;
        $experience = match_experience($setsqlarr['experience_cn']);
        $setsqlarr['experience_cn'] = $experience[1];
        $setsqlarr['experience'] = $experience[0];
        $setsqlarr['email_notify'] = 1;
        $setsqlarr['marriage'] = $setsqlarr['marriage_cn'] == '已婚' ? 2 : 1;
        $intentionjobsarr = explode('、', $setsqlarr['intention_jobs']);
        $match_jobs_id_arr = array();
        $match_jobs_cn_arr = array();
        foreach ($intentionjobsarr as $key => $value) {
            $match_jobs_arr = match_jobs_category($value);
            if ($match_jobs_arr) {
                $match_jobs_id_arr[] = $match_jobs_arr['topclass'] . '.' . $match_jobs_arr['category'] . '.' . $match_jobs_arr['subclass'];
                $match_jobs_cn_arr[] = $match_jobs_arr['category_cn'];
            }
        }
        $setsqlarr['intention_jobs'] = !empty($match_jobs_cn_arr) ? implode(',', $match_jobs_cn_arr) : '';
        $intention_jobs_id = !empty($match_jobs_id_arr) ? implode(',', $match_jobs_id_arr) : '';
        $tradearr = explode('、', $setsqlarr['trade_cn']);
        $match_trade_id_arr = array();
        foreach ($tradearr as $key => $value) {
            $match_trade_arr = match_trade($value);
            if ($match_trade_arr) {
                $match_trade_id_arr[] = $match_jobs_arr['id'];
            }
        }
        $intentiontrade = !empty($match_trade_id_arr) ? implode(',', $match_trade_id_arr) : '';
        $districtarr = explode('、', $setsqlarr['district_cn']);
        $match_district_id_arr = array();
        foreach ($districtarr as $key => $value) {
            $match_district_arr = match_district($value);
            if ($match_district_arr) {
                $match_district_id_arr[] = $match_district_arr['district'] . '.' . $match_district_arr['sdistrict'];
            }
        }
        $intentiondistrict = !empty($match_district_id_arr) ? implode(',', $match_district_id_arr) : '';
        $match_current_arr = match_current($setsqlarr['current_cn']);
        if ($match_current_arr) {
            $setsqlarr['current'] = $match_current_arr['id'];
            $setsqlarr['current_cn'] = $match_current_arr['cn'];
        }
        $match_nature_arr = match_nature($setsqlarr['nature_cn']);
        if ($match_nature_arr) {
            $setsqlarr['nature'] = $match_nature_arr['id'];
            $setsqlarr['nature_cn'] = $match_nature_arr['cn'];
        }
        $match_wage_arr = match_wage($setsqlarr['wage_cn']);
        if ($match_wage_arr) {
            $setsqlarr['wage'] = $match_wage_arr['id'];
            $setsqlarr['wage_cn'] = $match_wage_arr['cn'];
        }
        $setsqlarr['refreshtime'] = $timestamp;
        $setsqlarr['audit'] = intval($_CFG['audit_resume']);
        $setsqlarr['resume_from_pc'] = 1;
        $setsqlarr['addtime'] = $timestamp;
        $pid = $db->inserttable(table('resume'), $setsqlarr, 1);
        if ($pid) {
            $searchtab['id'] = $pid;
            $searchtab['uid'] = $uid;
            $db->inserttable(table('resume_search_key'), $searchtab);
            $db->inserttable(table('resume_search_rtime'), $searchtab);
            add_resume_jobs($pid, $uid, $intention_jobs_id) ? "" : showmsg('保存失败！', 0);
            add_resume_district($pid, $uid, $intentiondistrict) ? "" : showmsg('保存失败！', 0);
            add_resume_trade($pid, $uid, $intentiontrade) ? "" : showmsg('保存失败！', 0);
            if (!get_userprofile($uid)) {
                $infoarr['realname'] = $setsqlarr['fullname'];
                $infoarr['sex'] = $setsqlarr['sex'];
                $infoarr['sex_cn'] = $setsqlarr['sex_cn'];
                $infoarr['birthday'] = $setsqlarr['birthdate'];
                $infoarr['residence'] = $setsqlarr['residence'];
                $infoarr['experience'] = $setsqlarr['experience'];
                $infoarr['experience_cn'] = $setsqlarr['experience_cn'];
                $infoarr['householdaddress'] = $setsqlarr['householdaddress'];
                $infoarr['marriage'] = $setsqlarr['marriage'];
                $infoarr['marriage_cn'] = $setsqlarr['marriage_cn'];
                $infoarr['phone'] = $setsqlarr['telephone'];
                $infoarr['email'] = $setsqlarr['email'];
                $infoarr['uid'] = intval($uid);
                $db->inserttable(table('members_info'), $infoarr);
            }
            //教育经历
            if (!empty($info['eduinfo'])) {
                foreach ($info['eduinfo'] as $key => $value) {
                    $eduarrsql = iconv_to_gbk($value);
                    $eduarrsql['pid'] = $pid;
                    $eduarrsql['uid'] = $uid;
                    $match_education_arr = match_education($eduarrsql['education_cn']);
//.........这里部分代码省略.........

function JLMS_postChatMsg($course_id, $option)
{
    global $JLMS_DB, $my, $JLMS_CONFIG;
    $JLMS_ACL =& JLMSFactory::getACL();
    if ($JLMS_ACL->CheckPermissions('chat', 'view')) {
        $XML_data = '';
        $group_id = intval(mosGetParam($_REQUEST, 'group_id', 0));
        $do_chat = false;
        if ($JLMS_ACL->CheckPermissions('chat', 'manage')) {
            if ($group_id) {
                if ($JLMS_CONFIG->get('use_global_groups', 1)) {
                    $query = "SELECT group_chat FROM #__lms_usergroups WHERE course_id = 0 AND id = {$group_id}";
                    $JLMS_DB->SetQuery($query);
                    if ($JLMS_DB->LoadResult()) {
                        $do_chat = true;
                    }
                } else {
                    $query = "SELECT group_chat FROM #__lms_usergroups WHERE course_id = {$course_id} AND id = {$group_id}";
                    $JLMS_DB->SetQuery($query);
                    if ($JLMS_DB->LoadResult()) {
                        $do_chat = true;
                    }
                }
            } else {
                $do_chat = true;
            }
        } else {
            if ($group_id) {
                if ($JLMS_CONFIG->get('use_global_groups', 1)) {
                    $query = "SELECT group_chat FROM #__lms_users_in_global_groups AS uigg, #__lms_usergroups AS ug WHERE uigg.user_id = {$my->id} AND uigg.group_id = {$group_id} AND ug.id = uigg.group_id";
                    $JLMS_DB->setQuery($query);
                    if ($JLMS_DB->LoadResult()) {
                        $do_chat = true;
                    }
                } else {
                    $query = "SELECT b.group_chat FROM #__lms_users_in_groups as a, #__lms_usergroups as b" . "\n WHERE a.course_id = {$course_id} AND a.group_id = {$group_id} AND a.user_id = '" . $my->id . "' AND a.group_id = b.id AND b.id = {$group_id} AND b.course_id = {$course_id}";
                    $JLMS_DB->SetQuery($query);
                    if ($JLMS_DB->LoadResult()) {
                        $do_chat = true;
                    }
                }
            } else {
                $do_chat = true;
            }
        }
        if ($do_chat) {
            $query = "SELECT time_enter FROM #__lms_chat_users" . "\n WHERE user_id = '" . $my->id . "' AND course_id = '" . $course_id . "' AND group_id = '" . $group_id . "'";
            $JLMS_DB->SetQuery($query);
            $time_online = $JLMS_DB->LoadResult();
            $user_msg = '';
            /*print_r($_REQUEST);*/
            if (isset($_REQUEST['message'])) {
                $user_msg = trim(strval($_REQUEST['message']));
                $user_msg = get_magic_quotes_gpc() ? stripslashes($user_msg) : $user_msg;
            }
            if ($time_online && ($user_msg || $user_msg === '0' || $user_msg === 0)) {
                //query (Update time)
                $query = "UPDATE #__lms_chat_users SET time_post = '" . gmdate('Y-m-d H:i:s') . "'" . "\n WHERE user_id = '" . $my->id . "' AND course_id = '" . $course_id . "' AND group_id = '" . $group_id . "'";
                $JLMS_DB->SetQuery($query);
                $JLMS_DB->query();
                //query (post Message)
                $user_msg = $JLMS_DB->GetEscaped(unicode_decode($user_msg));
                /*				print_r($user_msg);
                				die;
                				*/
                $query = "INSERT INTO #__lms_chat_history (course_id, group_id, user_id, recv_id, user_message, mes_time)" . "\n VALUES ('" . $course_id . "', '" . $group_id . "', '" . $my->id . "', '0', '" . $user_msg . "', '" . gmdate('Y-m-d H:i:s') . "')";
                $JLMS_DB->SetQuery($query);
                $JLMS_DB->query();
                JLMS_getChatXML($course_id, $group_id, $option, true);
            }
        }
    }
    JLMS_getChatXML($course_id, $group_id, $option, false);
}

/**
 * Convert some data from one encoding to the internal encoding.
 *
 * @param  string					Data to convert.
 * @param  ?string				Charset to convert from (NULL: that read by the last http_download_file call).
 * @param  ?string				Charset to convert to (NULL: current encoding).
 * @return string					Converted data.
 */
function convert_to_internal_encoding($data, $input_charset = NULL, $internal_charset = NULL)
{
    global $VALID_ENCODING;
    convert_data_encodings();
    // In case it hasn't run yet. We need $VALID_ENCODING to be set.
    if (is_null($input_charset)) {
        $input_charset = $GLOBALS['HTTP_CHARSET'];
    }
    if ($input_charset === '' || is_null($input_charset)) {
        return $data;
    }
    if (is_null($internal_charset)) {
        $internal_charset = get_charset();
    }
    if ((version_compare(phpversion(), '4.3.0') >= 0 || strtolower($internal_charset) == 'iso-8859-1') && strtolower($input_charset) == 'utf-8' && will_be_unicode_neutered($data) && in_array(strtolower($internal_charset), array('iso-8859-1', 'iso-8859-15', 'koi8-r', 'big5', 'gb2312', 'big5-hkscs', 'shift_jis', 'euc-jp'))) {
        $test = entity_utf8_decode($data, $internal_charset);
        if ($test !== false) {
            $data = $test;
        }
    } elseif (function_exists('unicode_decode') && $internal_charset != 'utf-8' && $input_charset == 'utf-8' && $VALID_ENCODING) {
        $test = @unicode_decode($data, $input_charset);
        if ($test !== false) {
            $data = $test;
        }
    } elseif (function_exists('unicode_encode') && $internal_charset == 'utf-8' && $input_charset != 'utf-8' && $VALID_ENCODING) {
        $test = @unicode_encode($data, $input_charset);
        if ($test !== false) {
            $data = $test;
        }
    } elseif (function_exists('iconv') && $VALID_ENCODING && get_value('disable_iconv') !== '1') {
        $test = @iconv($input_charset, $internal_charset . '//TRANSLIT', $data);
        if ($test !== false) {
            $data = $test;
        }
    } elseif (function_exists('mb_convert_encoding') && $VALID_ENCODING && get_value('disable_mbstring') !== '1') {
        if (function_exists('mb_list_encodings')) {
            $good_encoding = in_array(strtolower($input_charset), array_map('strtolower', mb_list_encodings()));
        } else {
            $good_encoding = true;
        }
        if ($good_encoding) {
            $test = @mb_convert_encoding($data, $internal_charset, $input_charset);
            if ($test !== false) {
                $data = $test;
            }
        }
    } elseif (strtolower($input_charset) == 'utf-8' && strtolower(substr($internal_charset, 0, 3)) != 'utf') {
        $test = utf8_decode($data);
        // Imperfect as it assumes ISO-8859-1, but it's our last resort.
        if ($test !== false) {
            $data = $test;
        }
    } elseif (strtolower($internal_charset) == 'utf-8' && strtolower(substr($input_charset, 0, 3)) != 'utf') {
        $test = utf8_encode($data);
        // Imperfect as it assumes ISO-8859-1, but it's our last resort.
        if ($test !== false) {
            $data = $test;
        }
    }
    return $data;
}

function unicode_decode($unistr, $encoding = 'UTF-8', $prefix = '&#', $postfix = ';')
{
    if (!$unistr) {
        return $unistr;
    }
    if (is_array($unistr)) {
        foreach ($unistr as $k => $v) {
            $unistr[$k] = unicode_decode($v, $encoding, $prefix, $postfix);
        }
    } else {
        if (is_string($unistr)) {
            $arruni = explode($prefix, $unistr);
            $unistr = '';
            for ($i = 1, $len = count($arruni); $i < $len; $i++) {
                if (strlen($postfix) > 0) {
                    $arruni[$i] = substr($arruni[$i], 0, strlen($arruni[$i]) - strlen($postfix));
                }
                $temp = intval($arruni[$i]);
                $unistr .= $temp < 256 ? chr(0) . chr($temp) : chr($temp / 256) . chr($temp % 256);
            }
            $unistr = iconv('UCS-2', $encoding, $unistr);
        }
    }
    return $unistr;
}

/**
* convert a string for SEF url's
**/
function pmxsef_encode($string)
{
    global $modSettings, $sourcedir, $PortaMxSEF, $txt;
    static $utf8_db = array();
    $string = trim($string);
    if (empty($string)) {
        return '';
    }
    // make all strings to ISO-8859-1 or UTF-8 and if not, convert to UTF-8
    $char_set = empty($modSettings['global_character_set']) ? $txt['lang_character_set'] : $modSettings['global_character_set'];
    if ($char_set != 'ISO-8859-1' || $char_set != 'UTF-8') {
        if (function_exists('iconv')) {
            $string = iconv($char_set, 'UTF-8//IGNORE', $string);
        } elseif (function_exists('mb_convert_encoding')) {
            $string = mb_convert_encoding($string, 'UTF8', $char_set);
        } elseif (function_exists('unicode_decode')) {
            $string = unicode_decode($string, $char_set);
        }
    }
    $character = 0;
    $result = '';
    $length = strlen($string);
    $i = 0;
    while ($i < $length) {
        $charInt = ord($string[$i++]);
        // normal Ascii character
        if (($charInt & 0x80) == 0) {
            $character = $charInt;
        } elseif (($charInt & 0xe0) == 0xc0) {
            $temp1 = ord($string[$i++]);
            if (($temp1 & 0xc0) != 0x80) {
                $character = 63;
            } else {
                $character = ($charInt & 0x1f) << 6 | $temp1 & 0x3f;
            }
        } elseif (($charInt & 0xf0) == 0xe0) {
            $temp1 = ord($string[$i++]);
            $temp2 = ord($string[$i++]);
            if (($temp1 & 0xc0) != 0x80 || ($temp2 & 0xc0) != 0x80) {
                $character = 63;
            } else {
                $character = ($charInt & 0xf) << 12 | ($temp1 & 0x3f) << 6 | $temp2 & 0x3f;
            }
        } elseif (($charInt & 0xf8) == 0xf0) {
            $temp1 = ord($string[$i++]);
            $temp2 = ord($string[$i++]);
            $temp3 = ord($string[$i++]);
            if (($temp1 & 0xc0) != 0x80 || ($temp2 & 0xc0) != 0x80 || ($temp3 & 0xc0) != 0x80) {
                $character = 63;
            } else {
                $character = ($charInt & 0x7) << 18 | ($temp1 & 0x3f) << 12 | ($temp2 & 0x3f) << 6 | $temp3 & 0x3f;
            }
        } else {
            $character = 63;
        }
        // get the codepage for this character.
        $charBank = $character >> 8;
        if (!isset($utf8_db[$charBank])) {
            // Load up the codepage if it's not already in memory
            $cpFile = $sourcedir . $PortaMxSEF['codepages'] . sprintf('%02x', $charBank) . '.php';
            if (file_exists($cpFile)) {
                include_once $cpFile;
            } else {
                $utf8_db[$charBank] = array();
            }
        }
        $finalChar = $character & 255;
        $result .= isset($utf8_db[$charBank][$finalChar]) ? $utf8_db[$charBank][$finalChar] : '?';
    }
    $result = trim(str_replace($PortaMxSEF['stripchars'], '', $result), "\t\r\n\v .");
    $result = urlencode($result);
    $result = str_replace(array('%2F', '%2C', '%27', '%60'), '', $result);
    $result = str_replace(array($PortaMxSEF['spacechar'], '.'), '+', $result);
    $result = preg_replace('~(\\+)+~', $PortaMxSEF['spacechar'], $result);
    return !empty($PortaMxSEF['lowercase']) ? strtolower($result) : $result;
}