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- <?php
- // +----------------------------------------------------------------------
- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
- // +----------------------------------------------------------------------
- // | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
- // +----------------------------------------------------------------------
- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
- // +----------------------------------------------------------------------
- // | Author: liu21st <liu21st@gmail.com>
- // +----------------------------------------------------------------------
- /**
- * Think API模式函数库
- */
- /**
- * 获取和设置配置参数 支持批量定义
- * @param string|array $name 配置变量
- * @param mixed $value 配置值
- * @param mixed $default 默认值
- * @return mixed
- */
- function C($name = null, $value = null, $default = null)
- {
- static $_config = array();
- // 无参数时获取所有
- if (empty($name)) {
- return $_config;
- }
- // 优先执行设置获取或赋值
- if (is_string($name)) {
- if (!strpos($name, '.')) {
- $name = strtolower($name);
- if (is_null($value)) {
- return isset($_config[$name]) ? $_config[$name] : $default;
- }
- $_config[$name] = $value;
- return;
- }
- // 二维数组设置和获取支持
- $name = explode('.', $name);
- $name[0] = strtolower($name[0]);
- if (is_null($value)) {
- return isset($_config[$name[0]][$name[1]]) ? $_config[$name[0]][$name[1]] : $default;
- }
- $_config[$name[0]][$name[1]] = $value;
- return;
- }
- // 批量设置
- if (is_array($name)) {
- $_config = array_merge($_config, array_change_key_case($name));
- return;
- }
- return null; // 避免非法参数
- }
- /**
- * 加载配置文件 支持格式转换 仅支持一级配置
- * @param string $file 配置文件名
- * @param string $parse 配置解析方法 有些格式需要用户自己解析
- * @return void
- */
- function load_config($file, $parse = CONF_PARSE)
- {
- $ext = pathinfo($file, PATHINFO_EXTENSION);
- switch ($ext) {
- case 'php':
- return include $file;
- case 'ini':
- return parse_ini_file($file);
- case 'yaml':
- return yaml_parse_file($file);
- case 'xml':
- return (array) simplexml_load_file($file);
- case 'json':
- return json_decode(file_get_contents($file), true);
- default:
- if (function_exists($parse)) {
- return $parse($file);
- } else {
- E(L('_NOT_SUPPORT_') . ':' . $ext);
- }
- }
- }
- /**
- * 抛出异常处理
- * @param string $msg 异常消息
- * @param integer $code 异常代码 默认为0
- * @return void
- */
- function E($msg, $code = 0)
- {
- throw new Think\Exception($msg, $code);
- }
- /**
- * 记录和统计时间(微秒)和内存使用情况
- * 使用方法:
- * <code>
- * G('begin'); // 记录开始标记位
- * // ... 区间运行代码
- * G('end'); // 记录结束标签位
- * echo G('begin','end',6); // 统计区间运行时间 精确到小数后6位
- * echo G('begin','end','m'); // 统计区间内存使用情况
- * 如果end标记位没有定义,则会自动以当前作为标记位
- * 其中统计内存使用需要 MEMORY_LIMIT_ON 常量为true才有效
- * </code>
- * @param string $start 开始标签
- * @param string $end 结束标签
- * @param integer|string $dec 小数位或者m
- * @return mixed
- */
- function G($start, $end = '', $dec = 4)
- {
- static $_info = array();
- static $_mem = array();
- if (is_float($end)) {
- // 记录时间
- $_info[$start] = $end;
- } elseif (!empty($end)) {
- // 统计时间和内存使用
- if (!isset($_info[$end])) {
- $_info[$end] = microtime(true);
- }
- if (MEMORY_LIMIT_ON && 'm' == $dec) {
- if (!isset($_mem[$end])) {
- $_mem[$end] = memory_get_usage();
- }
- return number_format(($_mem[$end] - $_mem[$start]) / 1024);
- } else {
- return number_format(($_info[$end] - $_info[$start]), $dec);
- }
- } else {
- // 记录时间和内存使用
- $_info[$start] = microtime(true);
- if (MEMORY_LIMIT_ON) {
- $_mem[$start] = memory_get_usage();
- }
- }
- }
- /**
- * 获取和设置语言定义(不区分大小写)
- * @param string|array $name 语言变量
- * @param string $value 语言值
- * @return mixed
- */
- function L($name = null, $value = null)
- {
- static $_lang = array();
- // 空参数返回所有定义
- if (empty($name)) {
- return $_lang;
- }
- // 判断语言获取(或设置)
- // 若不存在,直接返回全大写$name
- if (is_string($name)) {
- $name = strtoupper($name);
- if (is_null($value)) {
- return isset($_lang[$name]) ? $_lang[$name] : $name;
- }
- $_lang[$name] = $value; // 语言定义
- return;
- }
- // 批量定义
- if (is_array($name)) {
- $_lang = array_merge($_lang, array_change_key_case($name, CASE_UPPER));
- }
- return;
- }
- /**
- * 添加和获取页面Trace记录
- * @param string $value 变量
- * @param string $label 标签
- * @param string $level 日志级别
- * @param boolean $record 是否记录日志
- * @return void
- */
- function trace($value = '[think]', $label = '', $level = 'DEBUG', $record = false)
- {
- return Think\Think::trace($value, $label, $level, $record);
- }
- /**
- * 编译文件
- * @param string $filename 文件名
- * @return string
- */
- function compile($filename)
- {
- $content = php_strip_whitespace($filename);
- $content = trim(substr($content, 5));
- // 替换预编译指令
- $content = preg_replace('/\/\/\[RUNTIME\](.*?)\/\/\[\/RUNTIME\]/s', '', $content);
- if (0 === strpos($content, 'namespace')) {
- $content = preg_replace('/namespace\s(.*?);/', 'namespace \\1{', $content, 1);
- } else {
- $content = 'namespace {' . $content;
- }
- if ('?>' == substr($content, -2)) {
- $content = substr($content, 0, -2);
- }
- return $content . '}';
- }
- /**
- * 获取输入参数 支持过滤和默认值
- * 使用方法:
- * <code>
- * I('id',0); 获取id参数 自动判断get或者post
- * I('post.name','','htmlspecialchars'); 获取$_POST['name']
- * I('get.'); 获取$_GET
- * </code>
- * @param string $name 变量的名称 支持指定类型
- * @param mixed $default 不存在的时候默认值
- * @param mixed $filter 参数过滤方法
- * @param mixed $datas 要获取的额外数据源
- * @return mixed
- */
- function I($name, $default = '', $filter = null, $datas = null)
- {
- if (strpos($name, '/')) {
- // 指定修饰符
- list($name, $type) = explode('/', $name, 2);
- }
- if (strpos($name, '.')) {
- // 指定参数来源
- list($method, $name) = explode('.', $name, 2);
- } else {
- // 默认为自动判断
- $method = 'param';
- }
- switch (strtolower($method)) {
- case 'get':$input = &$_GET;
- break;
- case 'post':$input = &$_POST;
- break;
- case 'put':parse_str(file_get_contents('php://input'), $input);
- break;
- case 'param':
- switch ($_SERVER['REQUEST_METHOD']) {
- case 'POST':
- $input = $_POST;
- break;
- case 'PUT':
- parse_str(file_get_contents('php://input'), $input);
- break;
- default:
- $input = $_GET;
- }
- break;
- case 'path':
- $input = array();
- if (!empty($_SERVER['PATH_INFO'])) {
- $depr = C('URL_PATHINFO_DEPR');
- $input = explode($depr, trim($_SERVER['PATH_INFO'], $depr));
- }
- break;
- case 'request':$input = &$_REQUEST;
- break;
- case 'session':$input = &$_SESSION;
- break;
- case 'cookie':$input = &$_COOKIE;
- break;
- case 'server':$input = &$_SERVER;
- break;
- case 'globals':$input = &$GLOBALS;
- break;
- case 'data':$input = &$datas;
- break;
- default:
- return null;
- }
- if ('' == $name) {
- // 获取全部变量
- $data = $input;
- $filters = isset($filter) ? $filter : C('DEFAULT_FILTER');
- if ($filters) {
- if (is_string($filters)) {
- $filters = explode(',', $filters);
- }
- foreach ($filters as $filter) {
- $data = arrayMapRecursive($filter, $data); // 参数过滤
- }
- }
- } elseif (isset($input[$name])) {
- // 取值操作
- $data = $input[$name];
- $filters = isset($filter) ? $filter : C('DEFAULT_FILTER');
- if ($filters) {
- if (is_string($filters)) {
- $filters = explode(',', $filters);
- } elseif (is_int($filters)) {
- $filters = array($filters);
- }
- foreach ($filters as $filter) {
- if (function_exists($filter)) {
- $data = is_array($data) ? arrayMapRecursive($filter, $data) : $filter($data); // 参数过滤
- } elseif (0 === strpos($filter, '/')) {
- // 支持正则验证
- if (1 !== preg_match($filter, (string) $data)) {
- return isset($default) ? $default : null;
- }
- } else {
- $data = filter_var($data, is_int($filter) ? $filter : filter_id($filter));
- if (false === $data) {
- return isset($default) ? $default : null;
- }
- }
- }
- }
- if (!empty($type)) {
- switch (strtolower($type)) {
- case 's': // 字符串
- $data = (string) $data;
- break;
- case 'a': // 数组
- $data = (array) $data;
- break;
- case 'd': // 数字
- $data = (int) $data;
- break;
- case 'f': // 浮点
- $data = (float) $data;
- break;
- case 'b': // 布尔
- $data = (boolean) $data;
- break;
- }
- }
- } else {
- // 变量默认值
- $data = isset($default) ? $default : null;
- }
- is_array($data) && array_walk_recursive($data, 'think_filter');
- return $data;
- }
- function array_map_recursive($filter, $data)
- {
- $result = array();
- foreach ($data as $key => $val) {
- $result[$key] = is_array($val)
- ? array_map_recursive($filter, $val)
- : call_user_func($filter, $val);
- }
- return $result;
- }
- /**
- * 设置和获取统计数据
- * 使用方法:
- * <code>
- * N('db',1); // 记录数据库操作次数
- * N('read',1); // 记录读取次数
- * echo N('db'); // 获取当前页面数据库的所有操作次数
- * echo N('read'); // 获取当前页面读取次数
- * </code>
- * @param string $key 标识位置
- * @param integer $step 步进值
- * @return mixed
- */
- function N($key, $step = 0, $save = false)
- {
- static $_num = array();
- if (!isset($_num[$key])) {
- $_num[$key] = (false !== $save) ? S('N_' . $key) : 0;
- }
- if (empty($step)) {
- return $_num[$key];
- } else {
- $_num[$key] = $_num[$key] + (int) $step;
- }
- if (false !== $save) {
- // 保存结果
- S('N_' . $key, $_num[$key], $save);
- }
- }
- /**
- * 字符串命名风格转换
- * type 0 将Java风格转换为C的风格 1 将C风格转换为Java的风格
- * @param string $name 字符串
- * @param integer $type 转换类型
- * @return string
- */
- function parse_name($name, $type = 0)
- {
- if ($type) {
- return ucfirst(preg_replace_callback('/_([a-zA-Z])/', function ($match) {return strtoupper($match[1]);}, $name));
- } else {
- return strtolower(trim(preg_replace("/[A-Z]/", "_\\0", $name), "_"));
- }
- }
- /**
- * 优化的require_once
- * @param string $filename 文件地址
- * @return boolean
- */
- function require_cache($filename)
- {
- static $_importFiles = array();
- if (!isset($_importFiles[$filename])) {
- if (file_exists_case($filename)) {
- require $filename;
- $_importFiles[$filename] = true;
- } else {
- $_importFiles[$filename] = false;
- }
- }
- return $_importFiles[$filename];
- }
- /**
- * 区分大小写的文件存在判断
- * @param string $filename 文件地址
- * @return boolean
- */
- function file_exists_case($filename)
- {
- if (is_file($filename)) {
- if (IS_WIN && APP_DEBUG) {
- if (basename(realpath($filename)) != basename($filename)) {
- return false;
- }
- }
- return true;
- }
- return false;
- }
- /**
- * 导入所需的类库 同java的Import 本函数有缓存功能
- * @param string $class 类库命名空间字符串
- * @param string $baseUrl 起始路径
- * @param string $ext 导入的文件扩展名
- * @return boolean
- */
- function import($class, $baseUrl = '', $ext = EXT)
- {
- static $_file = array();
- $class = str_replace(array('.', '#'), array('/', '.'), $class);
- if (isset($_file[$class . $baseUrl])) {
- return true;
- } else {
- $_file[$class . $baseUrl] = true;
- }
- $class_strut = explode('/', $class);
- if (empty($baseUrl)) {
- if ('@' == $class_strut[0] || MODULE_NAME == $class_strut[0]) {
- //加载当前模块的类库
- $baseUrl = MODULE_PATH;
- $class = substr_replace($class, '', 0, strlen($class_strut[0]) + 1);
- } elseif (in_array($class_strut[0], array('Think', 'Org', 'Behavior', 'Com', 'Vendor')) || is_dir(LIB_PATH . $class_strut[0])) {
- // 系统类库包和第三方类库包
- $baseUrl = LIB_PATH;
- } else {
- // 加载其他模块的类库
- $baseUrl = APP_PATH;
- }
- }
- if (substr($baseUrl, -1) != '/') {
- $baseUrl .= '/';
- }
- $classfile = $baseUrl . $class . $ext;
- if (!class_exists(basename($class), false)) {
- // 如果类不存在 则导入类库文件
- return require_cache($classfile);
- }
- }
- /**
- * 基于命名空间方式导入函数库
- * load('@.Util.Array')
- * @param string $name 函数库命名空间字符串
- * @param string $baseUrl 起始路径
- * @param string $ext 导入的文件扩展名
- * @return void
- */
- function load($name, $baseUrl = '', $ext = '.php')
- {
- $name = str_replace(array('.', '#'), array('/', '.'), $name);
- if (empty($baseUrl)) {
- if (0 === strpos($name, '@/')) {
- //加载当前模块函数库
- $baseUrl = MODULE_PATH . 'Common/';
- $name = substr($name, 2);
- } else {
- //加载其他模块函数库
- $array = explode('/', $name);
- $baseUrl = APP_PATH . array_shift($array) . '/Common/';
- $name = implode('/', $array);
- }
- }
- if (substr($baseUrl, -1) != '/') {
- $baseUrl .= '/';
- }
- require_cache($baseUrl . $name . $ext);
- }
- /**
- * 快速导入第三方框架类库 所有第三方框架的类库文件统一放到 系统的Vendor目录下面
- * @param string $class 类库
- * @param string $baseUrl 基础目录
- * @param string $ext 类库后缀
- * @return boolean
- */
- function vendor($class, $baseUrl = '', $ext = '.php')
- {
- if (empty($baseUrl)) {
- $baseUrl = VENDOR_PATH;
- }
- return import($class, $baseUrl, $ext);
- }
- /**
- * D函数用于实例化模型类 格式 [资源://][模块/]模型
- * @param string $name 资源地址
- * @param string $layer 模型层名称
- * @return Model
- */
- function D($name = '', $layer = '')
- {
- if (empty($name)) {
- return new Think\Model;
- }
- static $_model = array();
- $layer = $layer ?: C('DEFAULT_M_LAYER');
- if (isset($_model[$name . $layer])) {
- return $_model[$name . $layer];
- }
- $class = parse_res_name($name, $layer);
- if (class_exists($class)) {
- $model = new $class(basename($name));
- } elseif (false === strpos($name, '/')) {
- // 自动加载公共模块下面的模型
- $class = '\\Common\\' . $layer . '\\' . $name . $layer;
- $model = class_exists($class) ? new $class($name) : new Think\Model($name);
- } else {
- Think\Log::record('D方法实例化没找到模型类' . $class, Think\Log::NOTICE);
- $model = new Think\Model(basename($name));
- }
- $_model[$name . $layer] = $model;
- return $model;
- }
- /**
- * M函数用于实例化一个没有模型文件的Model
- * @param string $name Model名称 支持指定基础模型 例如 MongoModel:User
- * @param string $tablePrefix 表前缀
- * @param mixed $connection 数据库连接信息
- * @return Model
- */
- function M($name = '', $tablePrefix = '', $connection = '')
- {
- static $_model = array();
- if (strpos($name, ':')) {
- list($class, $name) = explode(':', $name);
- } else {
- $class = 'Think\\Model';
- }
- $guid = (is_array($connection) ? implode('', $connection) : $connection) . $tablePrefix . $name . '_' . $class;
- if (!isset($_model[$guid])) {
- $_model[$guid] = new $class($name, $tablePrefix, $connection);
- }
- return $_model[$guid];
- }
- /**
- * 解析资源地址并导入类库文件
- * 例如 module/controller addon://module/behavior
- * @param string $name 资源地址 格式:[扩展://][模块/]资源名
- * @param string $layer 分层名称
- * @return string
- */
- function parse_res_name($name, $layer, $level = 1)
- {
- if (strpos($name, '://')) {
- // 指定扩展资源
- list($extend, $name) = explode('://', $name);
- } else {
- $extend = '';
- }
- if (strpos($name, '/') && substr_count($name, '/') >= $level) {
- // 指定模块
- list($module, $name) = explode('/', $name, 2);
- } else {
- $module = MODULE_NAME;
- }
- $array = explode('/', $name);
- $class = $module . '\\' . $layer;
- foreach ($array as $name) {
- $class .= '\\' . parse_name($name, 1);
- }
- // 导入资源类库
- if ($extend) {
- // 扩展资源
- $class = $extend . '\\' . $class;
- }
- return $class . $layer;
- }
- /**
- * A函数用于实例化控制器 格式:[资源://][模块/]控制器
- * @param string $name 资源地址
- * @param string $layer 控制层名称
- * @param integer $level 控制器层次
- * @return Controller|false
- */
- function A($name, $layer = '', $level = '')
- {
- static $_action = array();
- $layer = $layer ?: C('DEFAULT_C_LAYER');
- $level = $level ?: (C('DEFAULT_C_LAYER') == $layer ? C('CONTROLLER_LEVEL') : 1);
- if (isset($_action[$name . $layer])) {
- return $_action[$name . $layer];
- }
- $class = parse_res_name($name, $layer, $level);
- if (class_exists($class)) {
- $action = new $class();
- $_action[$name . $layer] = $action;
- return $action;
- } else {
- return false;
- }
- }
- /**
- * 远程调用控制器的操作方法 URL 参数格式 [资源://][模块/]控制器/操作
- * @param string $url 调用地址
- * @param string|array $vars 调用参数 支持字符串和数组
- * @param string $layer 要调用的控制层名称
- * @return mixed
- */
- function R($url, $vars = array(), $layer = '')
- {
- $info = pathinfo($url);
- $action = $info['basename'];
- $module = $info['dirname'];
- $class = A($module, $layer);
- if ($class) {
- if (is_string($vars)) {
- parse_str($vars, $vars);
- }
- return call_user_func_array(array(&$class, $action . C('ACTION_SUFFIX')), $vars);
- } else {
- return false;
- }
- }
- /**
- * 执行某个行为
- * @param string $name 行为名称
- * @param Mixed $params 传入的参数
- * @return void
- */
- function B($name, &$params = null)
- {
- if (strpos($name, '/')) {
- list($name, $tag) = explode('/', $name);
- } else {
- $tag = 'run';
- }
- return \Think\Hook::exec($name, $tag, $params);
- }
- /**
- * 去除代码中的空白和注释
- * @param string $content 代码内容
- * @return string
- */
- function strip_whitespace($content)
- {
- $stripStr = '';
- //分析php源码
- $tokens = token_get_all($content);
- $last_space = false;
- for ($i = 0, $j = count($tokens); $i < $j; $i++) {
- if (is_string($tokens[$i])) {
- $last_space = false;
- $stripStr .= $tokens[$i];
- } else {
- switch ($tokens[$i][0]) {
- //过滤各种PHP注释
- case T_COMMENT:
- case T_DOC_COMMENT:
- break;
- //过滤空格
- case T_WHITESPACE:
- if (!$last_space) {
- $stripStr .= ' ';
- $last_space = true;
- }
- break;
- case T_START_HEREDOC:
- $stripStr .= "<<<THINK\n";
- break;
- case T_END_HEREDOC:
- $stripStr .= "THINK;\n";
- for ($k = $i + 1; $k < $j; $k++) {
- if (is_string($tokens[$k]) && ';' == $tokens[$k]) {
- $i = $k;
- break;
- } else if (T_CLOSE_TAG == $tokens[$k][0]) {
- break;
- }
- }
- break;
- default:
- $last_space = false;
- $stripStr .= $tokens[$i][1];
- }
- }
- }
- return $stripStr;
- }
- /**
- * 浏览器友好的变量输出
- * @param mixed $var 变量
- * @param boolean $echo 是否输出 默认为True 如果为false 则返回输出字符串
- * @param string $label 标签 默认为空
- * @param boolean $strict 是否严谨 默认为true
- * @return void|string
- */
- function dump($var, $echo = true, $label = null, $strict = true)
- {
- $label = (null === $label) ? '' : rtrim($label) . ' ';
- if (!$strict) {
- if (ini_get('html_errors')) {
- $output = print_r($var, true);
- $output = '<pre>' . $label . htmlspecialchars($output, ENT_QUOTES) . '</pre>';
- } else {
- $output = $label . print_r($var, true);
- }
- } else {
- ob_start();
- var_dump($var);
- $output = ob_get_clean();
- if (!extension_loaded('xdebug')) {
- $output = preg_replace('/\]\=\>\n(\s+)/m', '] => ', $output);
- $output = '<pre>' . $label . htmlspecialchars($output, ENT_QUOTES) . '</pre>';
- }
- }
- if ($echo) {
- echo ($output);
- return null;
- } else {
- return $output;
- }
- }
- /**
- * URL重定向
- * @param string $url 重定向的URL地址
- * @param integer $time 重定向的等待时间(秒)
- * @param string $msg 重定向前的提示信息
- * @return void
- */
- function redirect($url, $time = 0, $msg = '')
- {
- //多行URL地址支持
- $url = str_replace(array("\n", "\r"), '', $url);
- if (empty($msg)) {
- $msg = "系统将在{$time}秒之后自动跳转到{$url}!";
- }
- if (!headers_sent()) {
- // redirect
- if (0 === $time) {
- header('Location: ' . $url);
- } else {
- header("refresh:{$time};url={$url}");
- echo ($msg);
- }
- exit();
- } else {
- $str = "<meta http-equiv='Refresh' content='{$time};URL={$url}'>";
- if (0 != $time) {
- $str .= $msg;
- }
- exit($str);
- }
- }
- /**
- * 缓存管理
- * @param mixed $name 缓存名称,如果为数组表示进行缓存设置
- * @param mixed $value 缓存值
- * @param mixed $options 缓存参数
- * @return mixed
- */
- function S($name, $value = '', $options = null)
- {
- static $cache = '';
- if (is_array($options) && empty($cache)) {
- // 缓存操作的同时初始化
- $type = isset($options['type']) ? $options['type'] : '';
- $cache = Think\Cache::getInstance($type, $options);
- } elseif (is_array($name)) {
- // 缓存初始化
- $type = isset($name['type']) ? $name['type'] : '';
- $cache = Think\Cache::getInstance($type, $name);
- return $cache;
- } elseif (empty($cache)) {
- // 自动初始化
- $cache = Think\Cache::getInstance();
- }
- if ('' === $value) {
- // 获取缓存
- return $cache->get($name);
- } elseif (is_null($value)) {
- // 删除缓存
- return $cache->rm($name);
- } else {
- // 缓存数据
- if (is_array($options)) {
- $expire = isset($options['expire']) ? $options['expire'] : null;
- } else {
- $expire = is_numeric($options) ? $options : null;
- }
- return $cache->set($name, $value, $expire);
- }
- }
- /**
- * 快速文件数据读取和保存 针对简单类型数据 字符串、数组
- * @param string $name 缓存名称
- * @param mixed $value 缓存值
- * @param string $path 缓存路径
- * @return mixed
- */
- function F($name, $value = '', $path = DATA_PATH)
- {
- static $_cache = array();
- $filename = $path . $name . '.php';
- if ('' !== $value) {
- if (is_null($value)) {
- // 删除缓存
- if (false !== strpos($name, '*')) {
- return false; // TODO
- } else {
- unset($_cache[$name]);
- return Think\Storage::unlink($filename, 'F');
- }
- } else {
- Think\Storage::put($filename, serialize($value), 'F');
- // 缓存数据
- $_cache[$name] = $value;
- return;
- }
- }
- // 获取缓存数据
- if (isset($_cache[$name])) {
- return $_cache[$name];
- }
- if (Think\Storage::has($filename, 'F')) {
- $value = unserialize(Think\Storage::read($filename, 'F'));
- $_cache[$name] = $value;
- } else {
- $value = false;
- }
- return $value;
- }
- /**
- * 根据PHP各种类型变量生成唯一标识号
- * @param mixed $mix 变量
- * @return string
- */
- function to_guid_string($mix)
- {
- if (is_object($mix)) {
- return spl_object_hash($mix);
- } elseif (is_resource($mix)) {
- $mix = get_resource_type($mix) . strval($mix);
- } else {
- $mix = serialize($mix);
- }
- return md5($mix);
- }
- /**
- * XML编码
- * @param mixed $data 数据
- * @param string $root 根节点名
- * @param string $item 数字索引的子节点名
- * @param string $attr 根节点属性
- * @param string $id 数字索引子节点key转换的属性名
- * @param string $encoding 数据编码
- * @return string
- */
- function xml_encode($data, $root = 'think', $item = 'item', $attr = '', $id = 'id', $encoding = 'utf-8')
- {
- if (is_array($attr)) {
- $_attr = array();
- foreach ($attr as $key => $value) {
- $_attr[] = "{$key}=\"{$value}\"";
- }
- $attr = implode(' ', $_attr);
- }
- $attr = trim($attr);
- $attr = empty($attr) ? '' : " {$attr}";
- $xml = "<?xml version=\"1.0\" encoding=\"{$encoding}\"?>";
- $xml .= "<{$root}{$attr}>";
- $xml .= data_to_xml($data, $item, $id);
- $xml .= "</{$root}>";
- return $xml;
- }
- /**
- * 数据XML编码
- * @param mixed $data 数据
- * @param string $item 数字索引时的节点名称
- * @param string $id 数字索引key转换为的属性名
- * @return string
- */
- function data_to_xml($data, $item = 'item', $id = 'id')
- {
- $xml = $attr = '';
- foreach ($data as $key => $val) {
- if (is_numeric($key)) {
- $id && $attr = " {$id}=\"{$key}\"";
- $key = $item;
- }
- $xml .= "<{$key}{$attr}>";
- $xml .= (is_array($val) || is_object($val)) ? data_to_xml($val, $item, $id) : $val;
- $xml .= "</{$key}>";
- }
- return $xml;
- }
- /**
- * session管理函数
- * @param string|array $name session名称 如果为数组则表示进行session设置
- * @param mixed $value session值
- * @return mixed
- */
- function session($name, $value = '')
- {
- $prefix = C('SESSION_PREFIX');
- if (is_array($name)) {
- // session初始化 在session_start 之前调用
- if (isset($name['prefix'])) {
- C('SESSION_PREFIX', $name['prefix']);
- }
- if (C('VAR_SESSION_ID') && isset($_REQUEST[C('VAR_SESSION_ID')])) {
- session_id($_REQUEST[C('VAR_SESSION_ID')]);
- } elseif (isset($name['id'])) {
- session_id($name['id']);
- }
- if ('common' != APP_MODE) {
- // 其它模式可能不支持
- ini_set('session.auto_start', 0);
- }
- if (isset($name['name'])) {
- session_name($name['name']);
- }
- if (isset($name['path'])) {
- session_save_path($name['path']);
- }
- if (isset($name['domain'])) {
- ini_set('session.cookie_domain', $name['domain']);
- }
- if (isset($name['expire'])) {
- ini_set('session.gc_maxlifetime', $name['expire']);
- }
- if (isset($name['use_trans_sid'])) {
- ini_set('session.use_trans_sid', $name['use_trans_sid'] ? 1 : 0);
- }
- if (isset($name['use_cookies'])) {
- ini_set('session.use_cookies', $name['use_cookies'] ? 1 : 0);
- }
- if (isset($name['cache_limiter'])) {
- session_cache_limiter($name['cache_limiter']);
- }
- if (isset($name['cache_expire'])) {
- session_cache_expire($name['cache_expire']);
- }
- if (isset($name['type'])) {
- C('SESSION_TYPE', $name['type']);
- }
- if (C('SESSION_TYPE')) {
- // 读取session驱动
- $type = C('SESSION_TYPE');
- $class = strpos($type, '\\') ? $type : 'Think\\Session\\Driver\\' . ucwords(strtolower($type));
- $hander = new $class();
- session_set_save_handler(
- array(&$hander, "open"),
- array(&$hander, "close"),
- array(&$hander, "read"),
- array(&$hander, "write"),
- array(&$hander, "destroy"),
- array(&$hander, "gc"));
- }
- // 启动session
- if (C('SESSION_AUTO_START')) {
- session_start();
- }
- } elseif ('' === $value) {
- if (0 === strpos($name, '[')) {
- // session 操作
- if ('[pause]' == $name) {
- // 暂停session
- session_write_close();
- } elseif ('[start]' == $name) {
- // 启动session
- session_start();
- } elseif ('[destroy]' == $name) {
- // 销毁session
- $_SESSION = array();
- session_unset();
- session_destroy();
- } elseif ('[regenerate]' == $name) {
- // 重新生成id
- session_regenerate_id();
- }
- } elseif (0 === strpos($name, '?')) {
- // 检查session
- $name = substr($name, 1);
- if (strpos($name, '.')) {
- // 支持数组
- list($name1, $name2) = explode('.', $name);
- return $prefix ? isset($_SESSION[$prefix][$name1][$name2]) : isset($_SESSION[$name1][$name2]);
- } else {
- return $prefix ? isset($_SESSION[$prefix][$name]) : isset($_SESSION[$name]);
- }
- } elseif (is_null($name)) {
- // 清空session
- if ($prefix) {
- unset($_SESSION[$prefix]);
- } else {
- $_SESSION = array();
- }
- } elseif ($prefix) {
- // 获取session
- if (strpos($name, '.')) {
- list($name1, $name2) = explode('.', $name);
- return isset($_SESSION[$prefix][$name1][$name2]) ? $_SESSION[$prefix][$name1][$name2] : null;
- } else {
- return isset($_SESSION[$prefix][$name]) ? $_SESSION[$prefix][$name] : null;
- }
- } else {
- if (strpos($name, '.')) {
- list($name1, $name2) = explode('.', $name);
- return isset($_SESSION[$name1][$name2]) ? $_SESSION[$name1][$name2] : null;
- } else {
- return isset($_SESSION[$name]) ? $_SESSION[$name] : null;
- }
- }
- } elseif (is_null($value)) {
- // 删除session
- if ($prefix) {
- unset($_SESSION[$prefix][$name]);
- } else {
- unset($_SESSION[$name]);
- }
- } else {
- // 设置session
- if ($prefix) {
- if (!is_array($_SESSION[$prefix])) {
- $_SESSION[$prefix] = array();
- }
- $_SESSION[$prefix][$name] = $value;
- } else {
- $_SESSION[$name] = $value;
- }
- }
- }
- /**
- * Cookie 设置、获取、删除
- * @param string $name cookie名称
- * @param mixed $value cookie值
- * @param mixed $options cookie参数
- * @return mixed
- */
- function cookie($name, $value = '', $option = null)
- {
- // 默认设置
- $config = array(
- 'prefix' => C('COOKIE_PREFIX'), // cookie 名称前缀
- 'expire' => C('COOKIE_EXPIRE'), // cookie 保存时间
- 'path' => C('COOKIE_PATH'), // cookie 保存路径
- 'domain' => C('COOKIE_DOMAIN'), // cookie 有效域名
- );
- // 参数设置(会覆盖黙认设置)
- if (!is_null($option)) {
- if (is_numeric($option)) {
- $option = array('expire' => $option);
- } elseif (is_string($option)) {
- parse_str($option, $option);
- }
- $config = array_merge($config, array_change_key_case($option));
- }
- // 清除指定前缀的所有cookie
- if (is_null($name)) {
- if (empty($_COOKIE)) {
- return;
- }
- // 要删除的cookie前缀,不指定则删除config设置的指定前缀
- $prefix = empty($value) ? $config['prefix'] : $value;
- if (!empty($prefix)) {
- // 如果前缀为空字符串将不作处理直接返回
- foreach ($_COOKIE as $key => $val) {
- if (0 === stripos($key, $prefix)) {
- setcookie($key, '', time() - 3600, $config['path'], $config['domain']);
- unset($_COOKIE[$key]);
- }
- }
- }
- return;
- }
- $name = $config['prefix'] . $name;
- if ('' === $value) {
- if (isset($_COOKIE[$name])) {
- $value = $_COOKIE[$name];
- if (0 === strpos($value, 'think:')) {
- $value = substr($value, 6);
- return array_map('urldecode', json_decode(MAGIC_QUOTES_GPC ? stripslashes($value) : $value, true));
- } else {
- return $value;
- }
- } else {
- return null;
- }
- } else {
- if (is_null($value)) {
- setcookie($name, '', time() - 3600, $config['path'], $config['domain']);
- unset($_COOKIE[$name]); // 删除指定cookie
- } else {
- // 设置cookie
- if (is_array($value)) {
- $value = 'think:' . json_encode(array_map('urlencode', $value));
- }
- $expire = !empty($config['expire']) ? time() + intval($config['expire']) : 0;
- setcookie($name, $value, $expire, $config['path'], $config['domain']);
- $_COOKIE[$name] = $value;
- }
- }
- }
- /**
- * 加载动态扩展文件
- * @return void
- */
- function load_ext_file($path)
- {
- // 加载自定义外部文件
- if (C('LOAD_EXT_FILE')) {
- $files = explode(',', C('LOAD_EXT_FILE'));
- foreach ($files as $file) {
- $file = $path . 'Common/' . $file . '.php';
- if (is_file($file)) {
- include $file;
- }
- }
- }
- // 加载自定义的动态配置文件
- if (C('LOAD_EXT_CONFIG')) {
- $configs = C('LOAD_EXT_CONFIG');
- if (is_string($configs)) {
- $configs = explode(',', $configs);
- }
- foreach ($configs as $key => $config) {
- $file = $path . 'Conf/' . $config . '.php';
- if (is_file($file)) {
- is_numeric($key) ? C(include $file) : C($key, include $file);
- }
- }
- }
- }
- /**
- * 获取客户端IP地址
- * @param integer $type 返回类型 0 返回IP地址 1 返回IPV4地址数字
- * @return mixed
- */
- function get_client_ip($type = 0)
- {
- $type = $type ? 1 : 0;
- static $ip = null;
- if (null !== $ip) {
- return $ip[$type];
- }
- if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
- $arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
- $pos = array_search('unknown', $arr);
- if (false !== $pos) {
- unset($arr[$pos]);
- }
- $ip = trim($arr[0]);
- } elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
- $ip = $_SERVER['HTTP_CLIENT_IP'];
- } elseif (isset($_SERVER['REMOTE_ADDR'])) {
- $ip = $_SERVER['REMOTE_ADDR'];
- }
- // IP地址合法验证
- $long = sprintf("%u", ip2long($ip));
- $ip = $long ? array($ip, $long) : array('0.0.0.0', 0);
- return $ip[$type];
- }
- /**
- * 发送HTTP状态
- * @param integer $code 状态码
- * @return void
- */
- function send_http_status($code)
- {
- static $_status = array(
- // Success 2xx
- 200 => 'OK',
- // Redirection 3xx
- 301 => 'Moved Permanently',
- 302 => 'Moved Temporarily ', // 1.1
- // Client Error 4xx
- 400 => 'Bad Request',
- 403 => 'Forbidden',
- 404 => 'Not Found',
- // Server Error 5xx
- 500 => 'Internal Server Error',
- 503 => 'Service Unavailable',
- );
- if (isset($_status[$code])) {
- header('HTTP/1.1 ' . $code . ' ' . $_status[$code]);
- // 确保FastCGI模式下正常
- header('Status:' . $code . ' ' . $_status[$code]);
- }
- }
- // 不区分大小写的in_array实现
- function in_array_case($value, $array)
- {
- return in_array(strtolower($value), array_map('strtolower', $array));
- }
- function think_filter(&$value)
- {
- // TODO 其他安全过滤
- // 过滤查询特殊字符
- if (preg_match('/^(EXP|NEQ|GT|EGT|LT|ELT|OR|XOR|LIKE|NOTLIKE|NOT BETWEEN|NOTBETWEEN|BETWEEN|NOTIN|NOT IN|IN)$/i', $value)) {
- $value .= ' ';
- }
- }
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