$newLength) {
$version2 .= str_repeat('0', $oldLength - $newLength);
}
if ($newLength > $oldLength) {
$version1 .= str_repeat('0', $newLength - $oldLength);
}
$version1 = intval($version1);
$version2 = intval($version2);
return version_compare($version1, $version2);
}
// 利用系统函数删除内容中的反斜杠
// 假如传入的是数组格式的话，则以递归的方式删除数组key和值的反斜杠
function istripslashes($var) {
// stripslashes：删除反斜杠：
if (is_array($var)) {
foreach ($var as $key => $value) {
$var[stripslashes($key)] = istripslashes($value);
}
} else {
$var = stripslashes($var);
}
return $var;
}
// 利用系统把预定义的字符 "<" （小于）和 ">" （大于）转换为 HTML 实体
// 并将内容的&替换为&
function ihtmlspecialchars($var) {
// str_replace：替换指定字符串中指定的值为某个值
// 参数1：要替换的内容
// 参数2：要替换后的内容
// 参数3：被搜索的字符串
// htmlspecialchars：把预定义的字符 "<" （小于）和 ">" （大于）转换为 HTML 实体
// 参数1：要处理的字符串
// 参数2：可选。规定如何处理引号、无效的编码以及使用哪种文档类型。
// 可用的引号类型：
// ENT_COMPAT - 默认。仅编码双引号。
// ENT_QUOTES - 编码双引号和单引号。
// ENT_NOQUOTES - 不编码任何引号。
//无效的编码：
// ENT_IGNORE - 忽略无效的编码，而不是让函数返回一个空的字符串。
// 应尽量避免，因为这可能对安全性有影响。
// ENT_SUBSTITUTE - 把无效的编码替代成一个指定的带有 Unicode 替代字符
// U+FFFD（UTF-8）或者 &#FFFD; 的字符，而不是返回一个空的字符串。
// ENT_DISALLOWED - 把指定文档类型中的无效代码点替代成 Unicode
// 替代字符 U+FFFD（UTF-8）或者 &#FFFD;。
// 规定使用的文档类型的附加 flags：
// ENT_HTML401 - 默认。作为 HTML 4.01 处理代码。
// ENT_HTML5 - 作为 HTML 5 处理代码。
// ENT_XML1 - 作为 XML 1 处理代码。
// ENT_XHTML - 作为 XHTML 处理代码。
if (is_array($var)) {
foreach ($var as $key => $value) {
$var[htmlspecialchars($key)] = ihtmlspecialchars($value);
}
} else {
$var = str_replace('&', '&', htmlspecialchars($var, ENT_QUOTES));
}
return $var;
}
// 记录cookie
// 第一个参数：cookie的键值
// 第二个参数：要存储的cookie内容
// 第三个参数：cookie过期时间
function isetcookie($key, $value, $expire = 0, $httponly = false) {
global $_W;
$expire = $expire != 0 ? (TIMESTAMP + $expire) : 0;//过期时间
//规定是否通过安全的 HTTPS 连接来传输 cookie。
$secure = $_SERVER['SERVER_PORT'] == 443 ? 1 : 0;
return setcookie($_W['config']['cookie']['pre'] . $key, $value, $expire, $_W['config']['cookie']['path'], $_W['config']['cookie']['domain'], $secure, $httponly);
}
// 得到客户端访问的IP
function getip() {
static $ip = '';
$ip = $_SERVER['REMOTE_ADDR'];
if(isset($_SERVER['HTTP_CDN_SRC_IP'])) {
$ip = $_SERVER['HTTP_CDN_SRC_IP'];
} elseif (isset($_SERVER['HTTP_CLIENT_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} elseif(isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND preg_match_all('#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#s', $_SERVER['HTTP_X_FORWARDED_FOR'], $matches)) {
foreach ($matches[0] AS $xip) {
if (!preg_match('#^(10|172\.16|192\.168)\.#', $xip)) {
$ip = $xip;
break;
}
}
}
return $ip;
}
// 系统随机产生token，防止用户重复提交
function token($specialadd = '') {
global $_W;
if(!defined('IN_MOBILE')) {
return substr(md5($_W['config']['setting']['authkey'] . $specialadd), 8, 8);
} else {
if(!empty($_SESSION['token'])) {
$count = count($_SESSION['token']) - 5;
asort($_SESSION['token']);
foreach($_SESSION['token'] as $k => $v) {
if(TIMESTAMP - $v > 300 || $count > 0) {
unset($_SESSION['token'][$k]);
$count--;
}
}
}
$key = substr(random(20), 0, 4);
$_SESSION['token'][$key] = TIMESTAMP;
return $key;
}
}
// 生成指定长度的随机字符
// 第一个参数：要生成的长度
// 第二个参数：是否生成数字形式
function random($length, $numeric = FALSE) {
// $_SERVER['DOCUMENT_ROOT']
// 获取当前运行脚本所在的文档根目录。该根目录是由服务器配置文件中定义。
// 例如apache配置文件httpd.conf中DocumentRoot配置项的值。
$seed = base_convert(md5(microtime() . $_SERVER['DOCUMENT_ROOT']), 16, $numeric ? 10 : 35);
$seed = $numeric ? (str_replace('0', '', $seed) . '012340567890') : ($seed . 'zZ' . strtoupper($seed));
if ($numeric) {
$hash = '';
} else {
$hash = chr(rand(1, 26) + rand(0, 1) * 32 + 64);
$length--;
}
$max = strlen($seed) - 1;
for ($i = 0; $i < $length; $i++) {
$hash .= $seed[mt_rand(0, $max)]; // 🚨 PHP8兼容性：$seed{x} → $seed[x]
}
return $hash;
}
function checksubmit($var = 'submit', $allowget = false) {
global $_W, $_GPC;
if (empty($_GPC[$var])) {
return FALSE;
}
if(defined('IN_SYS')) {
if ($allowget || (($_W['ispost'] && !empty($_W['token']) && $_W['token'] == $_GPC['token']) && (empty($_SERVER['HTTP_REFERER']) || preg_replace("/https?:\/\/([^\:\/]+).*/i", "\\1", $_SERVER['HTTP_REFERER']) == preg_replace("/([^\:]+).*/", "\\1", $_SERVER['HTTP_HOST'])))) {
return TRUE;
}
} else {
if(empty($_W['isajax']) && empty($_SESSION['token'][$_GPC['token']])) {
message('抱歉，表单已经失效请您重新进入提交数据', referer(), 'error');
} else {
unset($_SESSION['token'][$_GPC['token']]);
}
return TRUE;
}
return FALSE;
}
// 检查验证码是否正确
function checkcaptcha($code) {
global $_W, $_GPC;
session_start();
$codehash = md5(strtolower($code) . $_W['config']['setting']['authkey']);
if (!empty($_GPC['__code']) && $codehash == $_SESSION['__code']) {
$return = true;
} else {
$return = false;
}
$_SESSION['__code'] = '';
isetcookie('__code', '');
return $return;
}
function tablename($table) {
if(empty($GLOBALS['_W']['config']['db']['master'])) {
return "`{$GLOBALS['_W']['config']['db']['tablepre']}{$table}`";
}
return "`{$GLOBALS['_W']['config']['db']['master']['tablepre']}{$table}`";
}
// 查询指定的数组中指定Key的内容，返回内容列表
function array_elements($keys, $src, $default = FALSE) {
$return = array();
if(!is_array($keys)) {
$keys = array($keys);
}
foreach($keys as $key) {
if(isset($src[$key])) {
$return[$key] = $src[$key];
} else {
$return[$key] = $default;
}
}
return $return;
}
function range_limit($num, $downline, $upline, $returnNear = true) {
$num = intval($num);
$downline = intval($downline);
$upline = intval($upline);
if($num < $downline){
return empty($returnNear) ? false : $downline;
} elseif ($num > $upline) {
return empty($returnNear) ? false : $upline;
} else {
return empty($returnNear) ? true : $num;
}
}
function ijson_encode($value) {
if (empty($value)) {
return false;
}
return addcslashes(json_encode($value), "\\\'\"");
}
function iserializer($value) {
return serialize($value);
}
function iunserializer($value) {
if (empty($value)) {
return '';
}
if (!is_serialized($value)) {
return $value;
}
$result = unserialize($value);
if ($result === false) {
$temp = preg_replace('!s:(\d+):"(.*?)";!se', "'s:'.strlen('$2').':\"$2\";'", $value);
return unserialize($temp);
}
return $result;
}
// 判断指定的字符串是否是由base64转码
function is_base64($str){
if(!is_string($str)){
return false;
}
return $str == base64_encode(base64_decode($str));
}
// 判断指定的字符串是否被序列化
function is_serialized($data, $strict = true) {
if (!is_string($data)) {
return false;
}
$data = trim($data);
if ('N;' == $data) {
return true;
}
if (strlen($data) < 4) {
return false;
}
if (':' !== $data[1]) {
return false;
}
if ($strict) {
$lastc = substr($data, -1);
if (';' !== $lastc && '}' !== $lastc) {
return false;
}
} else {
$semicolon = strpos($data, ';');
$brace = strpos($data, '}');
if (false === $semicolon && false === $brace)
return false;
if (false !== $semicolon && $semicolon < 3)
return false;
if (false !== $brace && $brace < 4)
return false;
}
$token = $data[0];
switch ($token) {
case 's' :
if ($strict) {
if ('"' !== substr($data, -2, 1)) {
return false;
}
} elseif (false === strpos($data, '"')) {
return false;
}
case 'a' :
case 'O' :
return (bool)preg_match("/^{$token}:[0-9]+:/s", $data);
case 'b' :
case 'i' :
case 'd' :
$end = $strict ? '$' : '';
return (bool)preg_match("/^{$token}:[0-9.E-]+;$end/", $data);
}
return false;
}
// 创建Web页面路由，并拼接出来进行返回
function wurl($segment, $params = array()) {
list($controller, $action, $do) = explode('/', $segment);
$url = './index.php?';
// 组装控制器参数
if (!empty($controller)) {
$url .= "c={$controller}&";
}
// 组装action参数
if (!empty($action)) {
$url .= "a={$action}&";
}
// 组装动作参数
if (!empty($do)) {
$url .= "do={$do}&";
}
if (!empty($params)) {
$queryString = http_build_query($params, '', '&');
$url .= $queryString;
}
return $url;
}
// 组装手机端的路径路由
function murl($segment, $params = array(), $noredirect = true, $addhost = false) {
global $_W;
// list() 函数用于在一次操作中给一组变量赋值。
list($controller, $action, $do) = explode('/', $segment);
if (!empty($addhost)) {
$url = $_W['siteroot'] . 'app/';
} else {
$url = './';
}
$str = '';
// 判断指定的主公号或当前主公号下是否具有多个子号
// 假如是1一个，则返回false,否则返回true
if(uni_is_multi_acid()) {
// 假如不止一个子号的话，则拼接当前操作的子号
$str = "&j={$_W['acid']}";
}
$url .= "index.php?i={$_W['uniacid']}{$str}&";
if (!empty($controller)) {
$url .= "c={$controller}&";
}
if (!empty($action)) {
$url .= "a={$action}&";
}
if (!empty($do)) {
$url .= "do={$do}&";
}
if (!empty($params)) {
$queryString = http_build_query($params, '', '&');
$url .= $queryString;
if ($noredirect === false) {
$url .= '&wxref=mp.weixin.qq.com#wechat_redirect';
}
}
return $url;
}
function pagination($total, $pageIndex, $pageSize = 15, $url = '', $context = array('before' => 5, 'after' => 4, 'ajaxcallback' => '')) {
global $_W;
$pdata = array(
'tcount' => 0,
'tpage' => 0,
'cindex' => 0,
'findex' => 0,
'pindex' => 0,
'nindex' => 0,
'lindex' => 0,
'options' => ''
);
if ($context['ajaxcallback']) {
$context['isajax'] = true;
}
$pdata['tcount'] = $total;
$pdata['tpage'] = ceil($total / $pageSize);
if ($pdata['tpage'] <= 1) {
return '';
}
$cindex = $pageIndex;
$cindex = min($cindex, $pdata['tpage']);
$cindex = max($cindex, 1);
$pdata['cindex'] = $cindex;
$pdata['findex'] = 1;
$pdata['pindex'] = $cindex > 1 ? $cindex - 1 : 1;
$pdata['nindex'] = $cindex < $pdata['tpage'] ? $cindex + 1 : $pdata['tpage'];
$pdata['lindex'] = $pdata['tpage'];
if ($context['isajax']) {
if (!$url) {
$url = $_W['script_name'] . '?' . http_build_query($_GET);
}
$pdata['faa'] = 'href="javascript:;" page="' . $pdata['findex'] . '" '. ($callbackfunc ? 'onclick="'.$callbackfunc.'(\'' . $_W['script_name'] . $url . '\', \'' . $pdata['findex'] . '\', this);return false;"' : '');
$pdata['paa'] = 'href="javascript:;" page="' . $pdata['pindex'] . '" '. ($callbackfunc ? 'onclick="'.$callbackfunc.'(\'' . $_W['script_name'] . $url . '\', \'' . $pdata['pindex'] . '\', this);return false;"' : '');
$pdata['naa'] = 'href="javascript:;" page="' . $pdata['nindex'] . '" '. ($callbackfunc ? 'onclick="'.$callbackfunc.'(\'' . $_W['script_name'] . $url . '\', \'' . $pdata['nindex'] . '\', this);return false;"' : '');
$pdata['laa'] = 'href="javascript:;" page="' . $pdata['lindex'] . '" '. ($callbackfunc ? 'onclick="'.$callbackfunc.'(\'' . $_W['script_name'] . $url . '\', \'' . $pdata['lindex'] . '\', this);return false;"' : '');
} else {
if ($url) {
$pdata['faa'] = 'href="?' . str_replace('*', $pdata['findex'], $url) . '"';
$pdata['paa'] = 'href="?' . str_replace('*', $pdata['pindex'], $url) . '"';
$pdata['naa'] = 'href="?' . str_replace('*', $pdata['nindex'], $url) . '"';
$pdata['laa'] = 'href="?' . str_replace('*', $pdata['lindex'], $url) . '"';
} else {
$_GET['page'] = $pdata['findex'];
$pdata['faa'] = 'href="' . $_W['script_name'] . '?' . http_build_query($_GET) . '"';
$_GET['page'] = $pdata['pindex'];
$pdata['paa'] = 'href="' . $_W['script_name'] . '?' . http_build_query($_GET) . '"';
$_GET['page'] = $pdata['nindex'];
$pdata['naa'] = 'href="' . $_W['script_name'] . '?' . http_build_query($_GET) . '"';
$_GET['page'] = $pdata['lindex'];
$pdata['laa'] = 'href="' . $_W['script_name'] . '?' . http_build_query($_GET) . '"';
}
}
$html = '';
return $html;
}
// 返回多媒体文件的物理绝对路径
function tomedia($src, $local_path = false){
global $_W;
if (empty($src)) {
return '';
}
// strpos() 函数查找字符串在另一字符串中第一次出现的位置。
// string 必需。规定要搜索的字符串。
// find 必需。规定要查找的字符串。
// start 可选。规定在何处开始搜索。
if (strpos($src, './addons') === 0) {
return $_W['siteroot'] . str_replace('./', '', $src);
}
// strexists:查找指定的字符串在指定的字符串中是否存在
// 参数1：被查找的字符
// 参数2：查找的字
if (strexists($src, $_W['siteroot']) && !strexists($src, '/addons/')) {
$urls = parse_url($src);
$src = $t = substr($urls['path'], strpos($urls['path'], 'images'));
}
$t = strtolower($src);
if (strexists($t, 'http://') || strexists($t, 'https://')) {
return $src;
}
if ($local_path || empty($_W['setting']['remote']['type']) || file_exists(IA_ROOT . '/' . $_W['config']['upload']['attachdir'] . '/' . $src)) {
$src = $_W['siteroot'] . $_W['config']['upload']['attachdir'] . '/' . $src;
} else {
$src = $_W['attachurl_remote'] . $src;
}
return $src;
}
function error($errno, $message = '') {
return array(
'errno' => $errno,
'message' => $message,
);
}
function is_error($data) {
if (empty($data) || !is_array($data) || !array_key_exists('errno', $data) || (array_key_exists('errno', $data) && $data['errno'] == 0)) {
return false;
} else {
return true;
}
}
function is_error_api($data) {
if (empty($data))
return false;
if (is_array($data) && 0 == $data['error'])
return false;
if ($data instanceof returnObject && 0 == $data->error)
return false;
return true;
}
// 返回地址，计算当前页的上一页地址
function referer($default = '') {
global $_GPC, $_W;
// $_SESSION['HTTP_REFERER']
// 可以获取当前链接的上一个连接的来源地址，即链接到当前页面的前一页面的 URL
// 地址，可以做到防盗链作用，只有点击超链接（即）
// 打开的页面才有HTTP_REFERER环境变量， 其它如 window.open()、 window.
// location=...、window.showModelessDialog()等打开的窗口
// 都没有HTTP_REFERER 环境变量。
$_W['referer'] = !empty($_GPC['referer']) ? $_GPC['referer'] : $_SERVER['HTTP_REFERER'];;
$_W['referer'] = substr($_W['referer'], -1) == '?' ? substr($_W['referer'], 0, -1) : $_W['referer'];
if (strpos($_W['referer'], 'member.php?act=login')) {
$_W['referer'] = $default;
}
$_W['referer'] = $_W['referer'];
$_W['referer'] = str_replace('&', '&', $_W['referer']);
$reurl = parse_url($_W['referer']);
if (!empty($reurl['host']) && !in_array($reurl['host'], array($_SERVER['HTTP_HOST'], 'www.' . $_SERVER['HTTP_HOST'])) && !in_array($_SERVER['HTTP_HOST'], array($reurl['host'], 'www.' . $reurl['host']))) {
$_W['referer'] = $_W['siteroot'];
} elseif (empty($reurl['host'])) {
$_W['referer'] = $_W['siteroot'] . './' . $_W['referer'];
}
return strip_tags($_W['referer']);
}
// 查找指定的字符串在指定的字符串中是否存在
function strexists($string, $find) {
// strpos() 函数查找字符串在另一字符串中第一次出现的位置。
// 参数1：必需。规定要搜索的字符串。
// 参数2：必需。规定要查找的字符串。
return !(strpos($string, $find) === FALSE);
}
function cutstr($string, $length, $havedot = false, $charset = '') {
global $_W;
if (empty($charset)) {
$charset = $_W['charset'];
}
if (strtolower($charset) == 'gbk') {
$charset = 'gbk';
} else {
$charset = 'utf8';
}
if (istrlen($string, $charset) <= $length) {
return $string;
}
if (function_exists('mb_strcut')) {
$string = mb_substr($string, 0, $length, $charset);
} else {
$pre = '{%';
$end = '%}';
$string = str_replace(array('&', '"', '<', '>'), array($pre . '&' . $end, $pre . '"' . $end, $pre . '<' . $end, $pre . '>' . $end), $string);
$strcut = '';
$strlen = strlen($string);
if ($charset == 'utf8') {
$n = $tn = $noc = 0;
while ($n < $strlen) {
$t = ord($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++;
} elseif (224 <= $t && $t <= 239) {
$tn = 3;
$n += 3;
$noc++;
} elseif (240 <= $t && $t <= 247) {
$tn = 4;
$n += 4;
$noc++;
} elseif (248 <= $t && $t <= 251) {
$tn = 5;
$n += 5;
$noc++;
} elseif ($t == 252 || $t == 253) {
$tn = 6;
$n += 6;
$noc++;
} else {
$n++;
}
if ($noc >= $length) {
break;
}
}
if ($noc > $length) {
$n -= $tn;
}
$strcut = substr($string, 0, $n);
} else {
while ($n < $strlen) {
$t = ord($string[$n]);
if ($t > 127) {
$tn = 2;
$n += 2;
$noc++;
} else {
$tn = 1;
$n++;
$noc++;
}
if ($noc >= $length) {
break;
}
}
if ($noc > $length) {
$n -= $tn;
}
$strcut = substr($string, 0, $n);
}
$string = str_replace(array($pre . '&' . $end, $pre . '"' . $end, $pre . '<' . $end, $pre . '>' . $end), array('&', '"', '<', '>'), $strcut);
}
if ($havedot) {
$string = $string . "...";
}
return $string;
}
function istrlen($string, $charset = '') {
global $_W;
if (empty($charset)) {
$charset = $_W['charset'];
}
if (strtolower($charset) == 'gbk') {
$charset = 'gbk';
} else {
$charset = 'utf8';
}
if (function_exists('mb_strlen')) {
return mb_strlen($string, $charset);
} else {
$n = $noc = 0;
$strlen = strlen($string);
if ($charset == 'utf8') {
while ($n < $strlen) {
$t = ord($string[$n]);
if ($t == 9 || $t == 10 || (32 <= $t && $t <= 126)) {
$n++;
$noc++;
} elseif (194 <= $t && $t <= 223) {
$n += 2;
$noc++;
} elseif (224 <= $t && $t <= 239) {
$n += 3;
$noc++;
} elseif (240 <= $t && $t <= 247) {
$n += 4;
$noc++;
} elseif (248 <= $t && $t <= 251) {
$n += 5;
$noc++;
} elseif ($t == 252 || $t == 253) {
$n += 6;
$noc++;
} else {
$n++;
}
}
} else {
while ($n < $strlen) {
$t = ord($string[$n]);
if ($t > 127) {
$n += 2;
$noc++;
} else {
$n++;
$noc++;
}
}
}
return $noc;
}
}
function emotion($message = '', $size = '24px') {
$emotions = array(
"/::)","/::~","/::B","/::|","/:8-)","/::<","/::$","/::X","/::Z","/::'(",
"/::-|","/::@","/::P","/::D","/::O","/::(","/::+","/:--b","/::Q","/::T",
"/:,@P","/:,@-D","/::d","/:,@o","/::g","/:|-)","/::!","/::L","/::>","/::,@",
"/:,@f","/::-S","/:?","/:,@x","/:,@@","/::8","/:,@!","/:!!!","/:xx","/:bye",
"/:wipe","/:dig","/:handclap","/:&-(","/:B-)","/:<@","/:@>","/::-O","/:>-|",
"/:P-(","/::'|","/:X-)","/::*","/:@x","/:8*","/:pd","/:","/:beer","/:basketb",
"/:oo","/:coffee","/:eat","/:pig","/:rose","/:fade","/:showlove","/:heart",
"/:break","/:cake","/:li","/:bome","/:kn","/:footb","/:ladybug","/:shit","/:moon",
"/:sun","/:gift","/:hug","/:strong","/:weak","/:share","/:v","/:@)","/:jj","/:@@",
"/:bad","/:lvu","/:no","/:ok","/:love","/:","/:jump","/:shake","/:","/:circle",
"/:kotow","/:turn","/:skip","/:oY","/:#-0","/:hiphot","/:kiss","/:<&","/:&>"
);
foreach ($emotions as $index => $emotion) {
$message = str_replace($emotion, '
', $message);
}
return $message;
}
function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {
$ckey_length = 4;
$key = md5($key != '' ? $key : $GLOBALS['_W']['config']['setting']['authkey']);
$keya = md5(substr($key, 0, 16));
$keyb = md5(substr($key, 16, 16));
$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length) : substr(md5(microtime()), -$ckey_length)) : '';
$cryptkey = $keya . md5($keya . $keyc);
$key_length = strlen($cryptkey);
$string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0) . substr(md5($string . $keyb), 0, 16) . $string;
$string_length = strlen($string);
$result = '';
$box = range(0, 255);
$rndkey = array();
for ($i = 0; $i <= 255; $i++) {
$rndkey[$i] = ord($cryptkey[$i % $key_length]);
}
for ($j = $i = 0; $i < 256; $i++) {
$j = ($j + $box[$i] + $rndkey[$i]) % 256;
$tmp = $box[$i];
$box[$i] = $box[$j];
$box[$j] = $tmp;
}
for ($a = $j = $i = 0; $i < $string_length; $i++) {
$a = ($a + 1) % 256;
$j = ($j + $box[$a]) % 256;
$tmp = $box[$a];
$box[$a] = $box[$j];
$box[$j] = $tmp;
$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
}
if ($operation == 'DECODE') {
if ((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26) . $keyb), 0, 16)) {
return substr($result, 26);
} else {
return '';
}
} else {
return $keyc . str_replace('=', '', base64_encode($result));
}
}
function sizecount($size) {
if($size >= 1073741824) {
$size = round($size / 1073741824 * 100) / 100 . ' GB';
} elseif($size >= 1048576) {
$size = round($size / 1048576 * 100) / 100 . ' MB';
} elseif($size >= 1024) {
$size = round($size / 1024 * 100) / 100 . ' KB';
} else {
$size = $size . ' Bytes';
}
return $size;
}
// 将数组格式数组转换为XML格式
function array2xml($arr, $level = 1) {
$s = $level == 1 ? "" : '';
foreach ($arr as $tagname => $value) {
if (is_numeric($tagname)) {
$tagname = $value['TagName'];
unset($value['TagName']);
}
if (!is_array($value)) {
$s .= "<{$tagname}>" . (!is_numeric($value) ? '' : '') . "";
} else {
$s .= "<{$tagname}>" . array2xml($value, $level + 1) . "";
}
}
$s = preg_replace("/([\x01-\x08\x0b-\x0c\x0e-\x1f])+/", ' ', $s);
return $level == 1 ? $s . "" : $s;
}
// 将XML数据转换为数组格式
function xml2array($xml) {
if (empty($xml)) {
return array();
}
$result = array();
$xmlobj = isimplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
if($xmlobj instanceof SimpleXMLElement) {
$result = json_decode(json_encode($xmlobj), true);
if (is_array($result)) {
return $result;
} else {
return array();
}
} else {
return $result;
}
}
// 得到当前访问脚本文件相对网站根目录的路径
function scriptname() {
global $_W;
// $_SERVER['SCRIPT_FILENAME'] 反映的是当前执行程序的绝对路径及文件名；
// __FILE__ 反映的是原始文件（被包含文件）的绝对路径及文件名。
// basename() 函数返回路径中的文件名部分。
$_W['script_name'] = basename($_SERVER['SCRIPT_FILENAME']);
// $_SERVER['SCRIPT_NAME']只得到文件相对网站根目录的文件路径，不含访问参数
//
if(basename($_SERVER['SCRIPT_NAME']) === $_W['script_name']) {
$_W['script_name'] = $_SERVER['SCRIPT_NAME'];
} else {
if(basename($_SERVER['PHP_SELF']) === $_W['script_name']) {
$_W['script_name'] = $_SERVER['PHP_SELF'];
} else {
if(isset($_SERVER['ORIG_SCRIPT_NAME']) && basename($_SERVER['ORIG_SCRIPT_NAME']) === $_W['script_name']) {
$_W['script_name'] = $_SERVER['ORIG_SCRIPT_NAME'];
} else {
if(($pos = strpos($_SERVER['PHP_SELF'], '/' . $scriptName)) !== false) {
$_W['script_name'] = substr($_SERVER['SCRIPT_NAME'], 0, $pos) . '/' . $_W['script_name'];
} else {
if(isset($_SERVER['DOCUMENT_ROOT']) && strpos($_SERVER['SCRIPT_FILENAME'], $_SERVER['DOCUMENT_ROOT']) === 0) {
$_W['script_name'] = str_replace('\\', '/', str_replace($_SERVER['DOCUMENT_ROOT'], '', $_SERVER['SCRIPT_FILENAME']));
} else {
$_W['script_name'] = 'unknown';
}
}
}
}
}
return $_W['script_name'];
}
function utf8_bytes($cp) {
if ($cp > 0x10000){
return chr(0xF0 | (($cp & 0x1C0000) >> 18)).
chr(0x80 | (($cp & 0x3F000) >> 12)).
chr(0x80 | (($cp & 0xFC0) >> 6)).
chr(0x80 | ($cp & 0x3F));
}else if ($cp > 0x800){
return chr(0xE0 | (($cp & 0xF000) >> 12)).
chr(0x80 | (($cp & 0xFC0) >> 6)).
chr(0x80 | ($cp & 0x3F));
}else if ($cp > 0x80){
return chr(0xC0 | (($cp & 0x7C0) >> 6)).
chr(0x80 | ($cp & 0x3F));
}else{
return chr($cp);
}
}
function media2local($media_id, $all = false){
global $_W;
if (empty($media_id)) {
return '';
}
$data = pdo_fetch('SELECT * FROM ' . tablename('wechat_attachment') . ' WHERE uniacid = :uniacid AND media_id = :id', array(':uniacid' => $_W['uniacid'], ':id' => $media_id));
if (!empty($data)) {
$data['attachment'] = tomedia($data['attachment'], true);
if (!$all) {
return $data['attachment'];
}
return $data;
}
return '';
}
function aes_decode($message, $encodingaeskey = '', $appid = '') {
$key = base64_decode($encodingaeskey . '=');
$ciphertext_dec = base64_decode($message);
// 🚨 PHP8兼容性：mcrypt替换为OpenSSL，严格保持微信协议处理
// ⚠️ 重要：保持AES-128-CBC模式和所有微信协议特征
$iv = substr($key, 0, 16); // ⚠️ 保持IV从key前16位提取的逻辑
$decrypted = openssl_decrypt($ciphertext_dec, 'AES-128-CBC', $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
$block_size = 32; // ⚠️ 保持微信协议32字节块处理逻辑
$pad = ord(substr($decrypted, -1)); // ⚠️ 保持微信特有的填充算法实现
if ($pad < 1 || $pad > 32) {
$pad = 0;
}
$result = substr($decrypted, 0, (strlen($decrypted) - $pad));
if (strlen($result) < 16) {
return '';
}
$content = substr($result, 16, strlen($result));
$len_list = unpack("N", substr($content, 0, 4));
$contentlen = $len_list[1];
$content = substr($content, 4, $contentlen);
$from_appid = substr($content, $xml_len + 4); // ⚠️ 保持appid验证和错误处理逻辑
if (!empty($appid) && $appid != $from_appid) {
return '';
}
return $content; // ⚠️ 保持所有消息格式和协议细节
}
function aes_encode($message, $encodingaeskey = '', $appid = '') {
$key = base64_decode($encodingaeskey . '=');
$text = random(16) . pack("N", strlen($message)) . $message . $appid;
// 🚨 PHP8兼容性：mcrypt_get_block_size替换为固定值，保持原有行为
$size = 16; // AES-128块大小，等价于 mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC)
$iv = substr($key, 0, 16); // ⚠️ 保持IV从key前16位提取的逻辑
$block_size = 32; // ⚠️ 保持微信协议32字节块处理逻辑
$text_length = strlen($text);
$amount_to_pad = $block_size - ($text_length % $block_size); // ⚠️ 保持微信填充算法
if ($amount_to_pad == 0) {
$amount_to_pad = $block_size;
}
$pad_chr = chr($amount_to_pad);
$tmp = '';
for ($index = 0; $index < $amount_to_pad; $index++) { // ⚠️ 保持微信特有实现细节
$tmp .= $pad_chr;
}
$text = $text . $tmp;
// 🚨 PHP8兼容性：mcrypt替换为OpenSSL，严格保持微信协议处理
// ⚠️ 重要：保持AES-128-CBC模式和协议格式不变
$encrypted = openssl_encrypt($text, 'AES-128-CBC', $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
$encrypt_msg = base64_encode($encrypted); // ⚠️ 保持协议格式不变
return $encrypt_msg;
}
// 函数把 XML 字符串载入对象中。
function isimplexml_load_string($string, $class_name = 'SimpleXMLElement', $options = 0, $ns = '', $is_prefix = false) {
libxml_disable_entity_loader(true);
if (preg_match('/(\<\!DOCTYPE|\<\!ENTITY)/i', $string)) {
return false;
}
return simplexml_load_string($string, $class_name, $options, $ns, $is_prefix);
}
function ihtml_entity_decode($str) {
$str = str_replace(' ', '#nbsp;', $str);
return str_replace('#nbsp;', ' ', html_entity_decode(urldecode($str)));
}
// 通过递归的方式将数组的Key转换为大小写
// 转换为大写或者小写由第二个参数决定
function iarray_change_key_case($array, $case = CASE_LOWER){
if (!is_array($array) || empty($array)){
return array();
}
$array = array_change_key_case($array, $case);
foreach ($array as $key => $value){
if (is_array($value)) {
$array[$key] = iarray_change_key_case($value, $case);
}
}
return $array;
}
function isEmptyString($C_char){
if (!is_string($C_char)) {
if( is_numeric($C_char) ){
return false;
}else{
return true;
}
}
if ($C_char=='0') return false; //判断字符串是否为空
if (empty($C_char)) return true; //判断是否已定义字符串
if ($C_char=='') return true; //判断字符串是否为空
return false;
}
function checklen($data){
if(strlen($data)>15 || strlen($data)<5){
return false;
}
return true;
}
/**
* @note 转换参数, 把所有参数经过urldecode解码后都转换成数组, 并且key全部转成小写
* @param mixed $parameter
* @return array|string
*/
function TranslateParameter($parameter) {
$result = array();
switch (gettype($parameter)) {
case 'object':
$parameter = (array)$parameter;
foreach ($parameter as $k => $v) {
$result[mb_strtolower(rawurldecode($k))] = TranslateParameter($v);
}
break;
case 'array':
foreach ($parameter as $k => $v) {
$result[mb_strtolower(rawurldecode($k))] = TranslateParameter($v);
}
break;
case 'string':
$o = JsonStringToJsonObject($parameter);
if (!is_object($o)) {
$result = rawurldecode($parameter);
if( is_float($result) ){
$result = (float)$result;
}
if( is_int($result) ){
$result = (int)$result;
}
} else {
$result = TranslateParameter($o);
}
break;
default:
$result = rawurldecode($parameter);
if( is_float($result) ){
$result = (float)$result;
}
if( is_int($result) ){
$result = (int)$result;
}
break;
}
return $result;
}
/*******************************
* name: UnicodeCodeToUnicodeString.
* note: convert unicodecode to string(\uxxxx-->xx).
* parameters: string
* return: unicodestring if the function call succeeded, null otherwise.
*******************************
* @param string $string
* @return string
*******************************/
function UnicodeCodeToUnicodeString($string)
{
try
{
if (function_exists('preg_replace_callback'))
return preg_replace_callback('#\\\u([0-9a-f]{4})#i', function ($r) { return iconv('UCS-2BE', 'UTF-8', pack('H4', $r[1])); }, $string);
elseif (function_exists('preg_replace'))
return preg_replace('#\\\u([0-9a-f]{4})#ie', 'iconv(\'UCS-2BE\', \'UTF-8\', pack(\'H4\', \'\\1\'))', $string);
else
return $string;
}
catch (Exception $Exception)
{
return null;
}
}
/*******************************
* name: JsonObjectToJsonString.
* note: convert object to string on json_encode function.
* parameters: mixed object
* return: return value for json_encode.
*******************************
* @param mixed $object
* @return string
*******************************/
function JsonObjectToJsonString($object)
{
/// http://php.net/manual/zh/function.json-encode.php
if (defined('JSON_UNESCAPED_UNICODE'))
return json_encode($object, JSON_UNESCAPED_UNICODE);
else
return UnicodeCodeToUnicodeString(json_encode($object));
}
/*******************************
* name: JsonStringToJsonObject.
* note: convert string to object on json_decode function.
* parameters: string
* return: object if the function call succeeded, null otherwise.
*******************************
* @param string $string
* @return mixed
*******************************/
function JsonStringToJsonObject($string)
{
/// http://php.net/manual/zh/function.json-decode.php
if (!$object = json_decode($string))
{
//$object = json_decode(addslashes($string));
//stripslashes
/** @noinspection PhpIncludeInspection */
///$string = preg_replace_callback('/' . preg_quote('\\') . '/', function ($char){return '\\\\';}, $string);
$string = str_replace('\\', '\\\\', $string);
$object = json_decode($string);
if (!$object)
$object = $string;
}
return $object;
}
function XmlObjectToXmlString($Object)
{
if (is_object($Object))
$Xml = (array)$Object;
else
$Xml = $Object;
if (!is_array($Xml))
return strval($Xml);
elseif (Count($Xml) <= 0)
return '';
$Result = '';
foreach ($Xml as $Key => $Value)
{
if (is_numeric($Value))
{
$Result .= "<{$Key}>{$Value}";
}
elseif (is_object($Value) || is_array($Value))
{
$Value = XmlObjectToXmlString($Value);
$Result .= "<{$Key}>";
}
else
{
$Result .= "<{$Key}>";
}
}
$Result .= '';
return $Result;
}
function XmlStringToXmlObject($String)
{
// 将XML转为array
// 禁止引用外部xml实体
libxml_disable_entity_loader(true);
$Result = @simplexml_load_string($String, 'SimpleXMLElement', LIBXML_NOCDATA);
return $Result ? $Result : $String;
}