lei.php

<?php
/**
 * LeiPHP
 *
 * @author 老雷<leizongmin@gmail.com>
 * @version 0.5.0
 */

/* 处理不同的请求方法 */
function _leiphp_request_method_router()
{
    // 如果已调用APP::end()，则不再执行此函数，因为在die后仍然会执行register_shutdown_function注册的函数
    if (APP::$is_exit) return;

    // 执行相应的请求方法
    $method = strtolower($_SERVER['REQUEST_METHOD']);
    $funcname = "method_$method";
    APP::set('TIMESTAMP_ROUTE', microtime(true));
    if (function_exists($funcname)) {
        $funcname();
    } elseif (function_exists('method_all')) {
        $funcname = 'method_all';
        method_all();
    } else {
        $funcname = 'method_undefine';
    }

    // 关闭数据库连接
    @SQL::close();

    // 显示调试信息
    $accept_type = @strtolower(trim($_SERVER['HTTP_ACCEPT']));
    if (APP::$is_debug && substr($accept_type, 0, 9) == 'text/html') {
        $spent2 = round((microtime(true) - APP::get('TIMESTAMP_ROUTE')) * 1000, 3);
        $spent = round((microtime(true) - APP::get('TIMESTAMP_START')) * 1000, 3);
        $debug = DEBUG::clear();
        echo "<div style='
      font-size: 14px;
      line-height: 1.6em;
      text-align: left;
      color: #02638e;
      padding: 12px 8px;
      border: 1px solid #DDD;
      font-family: \"Microsoft yahei\", \"Helvetica Neue\", \"Lucida Grande\", \"Lucida Sans Unicode\", Helvetica, Arial, sans-serif !important;
      background-color: #EEE;
      margin-top: 50px;
'>Debug<br>Function $funcname spent: {$spent2}ms<br>Total spent: {$spent}ms<br>
<hr><pre style='
      color: #02638e;
      font-family: \"Microsoft yahei\", \"Helvetica Neue\", \"Lucida Grande\", \"Lucida Sans Unicode\", Helvetica, Arial, sans-serif !important;
'>$debug</pre>
</div>";
    }
}

/**
 * 调试信息流操作
 */
if (!class_exists('DEBUG', false)) {
    class DEBUG
    {
        public static $stack = '';

        /**
         * 添加到DEBUG流
         *
         * @param string $msg
         * @param string $title
         */
        public static function put($msg = '', $title = '')
        {
            if (APP::$is_debug) {
                if (!empty($title)) {
                    $msg = "[$title] $msg";
                }
                $timestamp = round((microtime(true) - APP::get('TIMESTAMP_START')) * 1000, 3) . 'ms';
                DEBUG::$stack .= "[$timestamp] $msg\r\n";
            }
        }

        /**
         * 获取DEBUG流
         *
         * @return string
         */
        public static function get()
        {
            return DEBUG::$stack;
        }

        /**
         * 清空DEBUG流，并返回之前的信息
         *
         * @return string
         */
        public static function clear()
        {
            $ret = DEBUG::$stack;
            DEBUG::$stack = '';
            return $ret;
        }
    }
}

/**
 * MySQL 数据库操作
 */
if (!class_exists('SQL', false)) {
    class SQL
    {

        // 当前数据库连接
        public static $connection = null;

        /**
         * 连接到数据库
         * 成功返回true, 失败返回false
         *
         * @param string $server
         * @param string $username
         * @param string $password
         * @param string $database
         * @return bool
         */
        public static function connect($server = 'localhost:3306', $username = 'root', $password = '', $database = '')
        {
            $timestamp = microtime(true);

            SQL::$connection = mysqli_connect($server, $username, $password, $database);

            DEBUG::put('Connected: ' . $username . '@' . $server . ' spent: ' . round((microtime(true) - $timestamp) * 1000, 3) . 'ms', 'MySQL');

            $errno = mysqli_connect_errno(SQL::$connection);
            if ($errno > 0) {
                $error = mysqli_connect_error(SQL::$connection);
                DEBUG::put('  - Error: #' . $errno . ' ' . $error, 'MySQL');
            }

            return SQL::$connection;
        }

        /**
         * 获取出错信息
         * 返回数据格式：  {id:出错ID, error:出错描述}
         *
         * @return array
         */
        public static function error()
        {
            return array(
                'id' => SQL::errno(),
                'error' => SQL::errmsg()
            );
        }

        /**
         * 返回出错代码
         *
         * @return int
         */
        public static function errno()
        {
            return mysqli_errno(SQL::$connection);
        }

        /**
         * 返回出错描述信息
         *
         * @return string
         */
        public static function errmsg()
        {
            return mysqli_error(SQL::$connection);
        }

        /**
         * 设置字符编码
         *
         * @param {String} $encoding
         * @return {String}
         */
        public static function charset($encoding = '')
        {
            if (!empty($encoding)) {
                mysqli_set_charset(SQL::$connection, $encoding);
                DEBUG::put('charset=' . $encoding, 'MySQL');
            }
            return mysqli_get_charset(SQL::$connection);
        }

        /**
         * 执行SQL语句
         *
         * @param string $sql
         * @return resource
         */
        public static function query($sql)
        {
            $timestamp = microtime(true);
            $r = mysqli_query(SQL::$connection, $sql);
            $spent = round((microtime(true) - $timestamp) * 1000, 3);
            if ($r) {
                DEBUG::put('Query: ' . $sql . ' spent: ' . $spent . 'ms', 'MySQL');
            } else {
                DEBUG::put('Query: ' . $sql . ' fail: #' . SQL::errno() . ' ' . SQL::errmsg() . ' spent: ' . $spent, 'MySQL');
            }
            return $r;
        }

        /**
         * 查询并返回所有数据
         * 格式为： [{字段名:值, 字段名:值 ...}, ...]，返回false表示失败
         *
         * @param string $sql
         * @return array
         */
        public static function find_all($sql, $where = null)
        {
            if (is_array($where)) return SQL::find_all2($sql, $where);

            $r = SQL::query($sql);
            if (!$r) return false;
            $data = array();
            while ($row = mysqli_fetch_array($r, MYSQLI_ASSOC)) {
                $data[] = $row;
            }
            return count($data) < 1 ? false : $data;
        }

        /**
         * 查询并返回一行数据 格式为 {字段名:值, 字段名:值 ...}，返回false表示失败
         *
         * @param string $sql
         * @return array
         */
        public static function find_one($sql, $where = null)
        {
            if (is_array($where)) return SQL::find_one2($sql, $where);

            $sql .= ' LIMIT 1';
            $data = SQL::find_all($sql);
            return $data == false ? false : $data[0];
        }

        /**
         * 执行SQL命令 返回影响的记录行数
         *
         * @param string $sql
         * @return int
         */
        public static function update($sql, $where = null, $update = null)
        {
            if (is_array($where) && is_array($update)) return SQL::update2($sql, $where, $update);

            $r = SQL::query($sql);
            if (!$r) return false;
            return mysqli_affected_rows(SQL::$connection);
        }

        /**
         * 插入记录
         *
         * @param string $table
         * @param array $data
         * @return int
         */
        public static function insert($table, $data)
        {
            if (!(is_array($data) && count($data) > 0)) return false;

            $table = SQL::escape($table);
            $fields = array();
            $values = array();
            foreach ($data as $f => $v) {
                $fields[] = '`' . SQL::escape($f) . '`';
                $values[] = '\'' . SQL::escape($v) . '\'';
            }
            $fields = implode(', ', $fields);
            $values = implode(', ', $values);
            $sql = "INSERT INTO `$table` ($fields) VALUES ($values)";
            return SQL::update($sql) > 0 ? SQL::id() : false;
        }

        /**
         * 解析where条件
         *
         * @param array $where 例如： array(
         *                              'field' => 'values',
         *                              'link' =>  'OR'  // 可省略，默认为AND
         *                            )
         *                            array('field' => array(
         *                              'link' => 'OR', // 可省略，默认为AND
         *                              '>' =>    1200,
         *                              '<=' =>   555
         *                            ))
         * @return string
         */
        public static function _parse_where($where)
        {
            if (count($where) < 1) return '1';

            $items = array();
            $link = 'AND';
            foreach ($where as $f => $v) {
                if (strtolower($f) == 'link') {
                    $link = strtoupper($v);
                    continue;
                }
                $f = SQL::escape($f);
                if (is_array($v)) {
                    $items2 = array();
                    $link2 = 'AND';
                    foreach ($v as $op1 => $op2) {
                        if (strtolower($op1) == 'link') {
                            $link2 = strtoupper($op2);
                            continue;
                        }
                        $op2 = SQL::escape($op2);
                        $items2[] = "`$f`$op1'$op2'";
                    }
                    $items[] = '(' . implode(" $link2 ", $items2) . ')';
                } else {
                    $v = SQL::escape($v);
                    $items[] = "`$f`='$v'";
                }
            }
            return implode(" $link ", $items);
        }

        /**
         * 更新记录
         *
         * @param string $table
         * @param array $where
         * @param array $update
         * @return int
         */
        public static function update2($table, $where, $update)
        {
            if (!(is_array($where) && count($where) > 0 && is_array($update) && count($update) > 0)) return false;

            $table = SQL::escape($table);
            $set = array();
            foreach ($update as $f => $v) {
                $f = SQL::escape($f);
                $v = SQL::escape($v);
                $set[] = "`$f`='$v'";
            }
            $set = implode(', ', $set);
            $where = SQL::_parse_where($where);
            $sql = "UPDATE `$table` SET $set WHERE $where";
            return SQL::update($sql);
        }

        /**
         * 删除记录
         *
         * @param string $table
         * @param array $where
         * @return int
         */
        public static function delete($table, $where)
        {
            if (!is_array($where) && count($where) > 0) return false;

            $table = SQL::escape($table);
            $where = SQL::_parse_where($where);
            $sql = "DELETE FROM `$table` WHERE $where";
            return SQL::update($sql);
        }

        /**
         * 查询一条记录
         *
         * string $table
         * @param array $where
         * @return array
         */
        public static function find_one2($table, $where)
        {
            if (!is_array($where) && count($where) > 0) return false;

            $table = SQL::escape($table);
            $where = SQL::_parse_where($where);
            $sql = "SELECT * FROM `$table` WHERE $where";
            return SQL::find_one($sql);
        }

        /**
         * 查询记录
         *
         * string $table
         * @param array $where
         * @return array
         */
        public static function find_all2($table, $where)
        {
            if (!is_array($where) && count($where) > 0) return false;

            $table = SQL::escape($table);
            $where = SQL::_parse_where($where);
            $sql = "SELECT * FROM `$table` WHERE $where";
            return SQL::find_all($sql);
        }

        /**
         * 取最后插入ID
         *
         * @return int
         */
        public static function id()
        {
            return mysqli_insert_id(SQL::$connection);
        }

        public static function lastId()
        {
            return SQL::id();
        }

        /**
         * 转换为SQL安全字符串
         *
         * @param string $str
         * @return string
         */
        public static function escape($str)
        {
            return mysqli_real_escape_string(SQL::$connection, $str);
        }

        /**
         * 关闭SQL连接
         */
        public static function close()
        {
            DEBUG::put('Close connection.', 'MySQL');
            return @mysqli_close(SQL::$connection);
        }
    }
} else {
    DEBUG::put('Class SQL is already exists!', 'Warning');
}

/**
 * 上传文件管理
 */
if (!class_exists('UPLOAD', false)) {
    class UPLOAD
    {
        /**
         * 获取上传文件
         * 返回格式：{name: 名称, type: 文件MIME类型, size: 大小, tmp_name: 临时文件名}
         *
         * @param string $filename
         * @return array
         */
        public static function get($filename)
        {
            if (isset($_FILES[$filename])) {
                $uploaded_file = array(
                    'name' => $_FILES[$filename]['name'],
                    'type' => $_FILES[$filename]['type'],
                    'size' => $_FILES[$filename]['size'],
                    'tmp_name' => $_FILES[$filename]['tmp_name']
                );
            } elseif (isset($_POST[$filename])) {
                $uploaded_file = array(
                    'name' => $_POST[$filename],
                );
            } elseif (isset($GLOBALS['HTTP_POST_FILES'][$filename])) {
                global $HTTP_POST_FILES;
                $uploaded_file = array(
                    'name' => $HTTP_POST_FILES[$filename]['name'],
                    'type' => $HTTP_POST_FILES[$filename]['type'],
                    'size' => $HTTP_POST_FILES[$filename]['size'],
                    'tmp_name' => $HTTP_POST_FILES[$filename]['tmp_name']
                );
            } elseif (isset($GLOBALS['HTTP_POST_VARS'][$filename])) {
                global $HTTP_POST_VARS;
                $uploaded_file = array(
                    'name' => $HTTP_POST_VARS[$filename],
                );
            } else {
                $uploaded_file = array(
                    'name' => @$GLOBALS[$filename . '_name'],
                    'type' => @$GLOBALS[$filename . '_type'],
                    'size' => @$GLOBALS[$filename . '_size'],
                    'tmp_name' => @$GLOBALS[$filename]
                );
            }
            return $uploaded_file;
        }

        /**
         * 移动临时文件
         *
         * @param {array} $file
         * @param {string} $target
         * @return {string}
         */
        public static function move($file, $target)
        {
            $timestamp = microtime(true);
            $source = is_array($file) ? $file['tmp_name'] : $file;
            move_uploaded_file($source, $target);
            DEBUG::put('Move ' . $source . ' to ' . $target . ' spent: ' . round((microtime(true) - $timestamp) * 1000, 3) . 'ms', 'Upload');
            return $target;
        }
    }
} else {
    DEBUG::put('Class UPLOAD is already exists!', 'Warning');
}

if (!class_exists('ROUTER', false)) {
    class ROUTER
    {

        // 中间件列表
        public static $_list = array();

        /**
         * 开始自动路由
         *
         * @param string $dir 目录，默认为 action 表示应用目录下的action目录
         * @param string $path 路径，默认使用 $_GET['__path__']，如为空则为 /
         */
        public static function run($dir = 'action', $path = '_____NORMAL_____')
        {
            // 目录不能以/开头及结尾
            if (substr($dir, 0, 1) == '/') $dir = substr($dir, 1);
            if (substr($dir, -1) == '/') $dir = substr($dir, strlen($dir) - 1);
            // 路径必须以/开头，但不能以/结尾
            if ($path == '_____NORMAL_____') $path = @$_GET['__path__'];
            if (empty($path)) $path = '/';
            if (substr($path, 0, 1) != '/') $path = '/' . $path;
            if ($path != '/' && substr($path, -1) == '/') $path = substr($path, strlen($path) - 1);

            // 中间件处理
            ROUTER::run_middleware($path);

            $filename = APP::get('ROOT') . $dir . $path . (substr($path, -1) == '/' ? '/index' : '') . '.php';
            DEBUG::put("path=$path, file=$filename", 'Router');
            if (file_exists($filename)) {
                require($filename);
            } else {
                ROUTER::not_found($path, $filename);
            }
        }

        /**
         * 路由未找到
         */
        public static function not_found($path, $filename)
        {
            @header("HTTP/1.1 404 Not Found");
            APP::show_error("Path \"$path\" Not Found.");
            DEBUG::put("Not found: path=$path, file=$filename", 'Router');
        }

        /**
         * 注册中间件
         *
         * @param string $path 路径
         * @param callback $function 要执行的函数
         * @param bool $is_preg 路径是否为正则表达式，默认为false
         */
        public static function register($path, $function, $is_preg = false)
        {
            ROUTER::$_list[] = array($path, $function, $is_preg);
            DEBUG::put("Use: $path => $function", 'Router');
        }

        /**
         * 执行中间件
         *
         * @param string $path
         */
        public static function run_middleware($path)
        {
            $pathlen = strlen($path);
            foreach (ROUTER::$_list as $i => $v) {
                $p = $v[0];
                $f = $v[1];
                $is_preg = $v[2];
                if ($is_preg) {
                    if (!preg_match($p, $path)) continue;
                } else {
                    $pl = strlen($p);
                    if ($pl > $pathlen) continue;
                    if (substr($path, 0, $pl) != $p) continue;
                }
                @call_user_func($f, $path);
            }
        }
    }
} else {
    DEBUG::put('Class ROUTER is already exists!', 'Warning');
}

if (!class_exists('TPL', false)) {
    class TPL
    {

        // 模板变量
        public static $locals = array();

        /**
         * 载入模板
         * 如果指定了参数$layout，则会嵌套一个layout模板
         *
         * @param string $name 模板名
         * @param array $locals 变量
         * @return string
         */
        public static function get($name, $locals = array())
        {
            if (!pathinfo($name, PATHINFO_EXTENSION)) $name = $name . '.html';
            $filename = APP::get('TEMPLATE_ROOT') . $name;
            $timestamp = microtime(true);
            ob_start();
            extract($locals, EXTR_SKIP);
            include($filename);
            $html = ob_get_clean();
            DEBUG::put('Render ' . $filename . ' spent: ' . round((microtime(true) - $timestamp) * 1000, 3) . 'ms', 'Template');
            return $html;
        }

        /**
         * 渲染模板，自动使用TPL::$locals中的数据
         * 如果指定了参数$layout，则会嵌套一个layout模板
         *
         * Examples:
         * APP::render('template');
         * APP::render('template', $locals);
         * APP::render('template', 'layout');
         * APP::render('template', $locals, 'layout');
         *
         * @param string $name
         * @param array $locals
         * @param string $layout
         */
        public static function render($name, $locals = array(), $layout = '')
        {
            if (!is_array($locals)) {
                $layout = $locals;
                $locals = array();
            }

            foreach (TPL::$locals as $i => $v) {
                if (!isset($locals[$i])) $locals[$i] = $v;
            }

            $body = TPL::get($name, $locals);
            if (empty($layout)) {
                echo $body;
            } else {
                $locals['body'] = $body;
                echo TPL::get($layout, $locals);
            }
        }

        /**
         * 设置模板变量
         *
         * @param string $name
         * @param mixed $value
         * @return mixed
         */
        public static function set_val($name, $value = null)
        {
            TPL::$locals[$name] = $value;
            return @TPL::$locals[$name];
        }

        /**
         * 取模板变量
         *
         * @param string $name
         * @return mixed
         */
        public static function get_val($name)
        {
            return @TPL::$locals[$name];
        }

    }
} else {
    DEBUG::put('Class TPL is already exists!', 'Warning');
}

if (!class_exists('APP', false)) {
    class APP
    {

        // 版本号
        public static $version = 1;

        // 是否提前退出
        public static $is_exit = false;

        // 是否为调试状态
        public static $is_debug = false;

        // 设置信息
        public static $config = array();

        /**
         * 账户验证加密解密函数 （来自Discuz!的authcode函数）
         *
         * @param string $string 明文 或 密文
         * @param string $operation DECODE表示解密,其它表示加密
         * @param string $key 密匙
         * @param int $expiry 密文有效期
         *
         * @return string
         */
        public static function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0)
        {
            $ckey_length = 4;
            $key = md5($key ? $key : 'leiphp-default-key');
            $keya = md5(substr($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));
            }
        }

        /**
         * 加密账户验证信息
         *
         * @param string $string 要加密的字符串
         * @param string $key 密匙
         * @param int $expiry 从现在起的有效时间（秒）
         * @return string
         */
        public static function auth_encode($string, $key, $expiry = 0)
        {
            return APP::authcode($string, 'ENCODE', $key, $expiry);
        }

        /**
         * 解密账户验证信息
         *
         * @param string $string 密文
         * @param string $key 密匙
         * @return string
         */
        public static function auth_decode($string, $key)
        {
            return APP::authcode($string, 'DECODE', $key);
        }

        /**
         * 加密密码
         *
         * @param string $password
         * @return string
         */
        public static function encrypt_password($password)
        {
            $random = strtoupper(md5(rand() . rand()));
            $left = substr($random, 0, 2);
            $right = substr($random, -2);
            $newpassword = strtoupper(md5($left . $password . $right));
            return $left . ':' . $newpassword . ':' . $right;
        }

        /**
         * 验证密码
         *
         * @param string $password 待验证的密码
         * @param string $encrypted 密码加密字符串
         * @return bool
         */
        public static function validate_password($password, $encrypted)
        {
            $random = explode(':', strtoupper($encrypted));
            if (count($random) < 3) return false;
            $left = $random[0];
            $right = $random[2];
            $main = $random[1];
            $newpassword = strtoupper(md5($left . $password . $right));
            return $newpassword == $main;
        }

        /**
         * 显示出错信息
         *
         * @param string $msg
         */
        public static function show_error($msg)
        {
            $accept_type = strtolower(trim($_SERVER['HTTP_ACCEPT']));
            if (strpos($accept_type, 'json') !== false) {
                APP::send_json(array('error' => $msg));
            } else {
                echo "<div style='color: #900;
              font-size: 16px;
              border: 1px solid #900;
              padding: 8px 12px;
              border-radius: 5px;
              margin: 12px 0px;'>$msg</div>";
            }
        }

        /**
         * 返回JSON格式数据
         *
         * @param mixed $data
         */
        public static function send_json($data = null)
        {
            @header('content-type: application/json');
            if (is_array($data) && APP::$is_debug) $data['debug'] = DEBUG::get();
            echo json_encode($data);
            APP::end();
        }

        /**
         * 返回JSON格式的出错信息
         *
         * @param string $msg 出错信息
         * @param array $data 其他数据
         */
        public static function send_json_error($msg, $data = array())
        {
            $data['error'] = $msg;
            APP::send_json($data);
        }

        /**
         * 加载文件
         * 文件名如果不指定扩展名，则自动加上.php再加载
         * 如果以 / 开头，则从应用根目录开始查找
         *
         * @param string $filename
         * @return mixed
         */
        public static function load($filename)
        {
            $ext = pathinfo($filename, PATHINFO_EXTENSION);
            if (!$ext) {
                $filename = $filename . '.php';
                $ext = 'php';
            }
            if (substr($filename, 0, 1) == '/') {
                $filename = APP::get('ROOT') . substr($filename, 1);
            } else {
                $filename = dirname($_SERVER["SCRIPT_FILENAME"]) . '/' . $filename;
            }
            switch ($ext) {
                case 'php':
                    return require($filename);
                case 'json':
                    return json_decode(file_get_contents($filename), true);
                default:
                    DEBUG::put("APP::load('$filename') error, does not support file type: $ext", 'Error');
            }
        }

        /**
         * 调试输出
         *
         * @param mixed $var
         */
        public static function dump($var)
        {
            echo "<pre style='font-size: 12px;
      line-height: 1.6em;
      text-align: left;
      color: #02638e;
      padding: 4px 20px;
      border: 1px solid #ddd;
      font-family: \"Microsoft yahei\", \"Helvetica Neue\", \"Lucida Grande\", \"Lucida Sans Unicode\", Helvetica, Arial, sans-serif !important;
      background-color: #EEE;'>";
            print_r($var);
            echo '</pre>';
        }

        /**
         * 初始化
         */
        public static function init()
        {
            // 是否关闭出错显示
            if (APP::is_set('DEBUG') && APP::get('DEBUG')) {
                APP::$is_debug = true;
                error_reporting(E_ALL);
                ini_set('display_errors', '1');
            } else {
                error_reporting(0);
                ini_set('display_errors', '0');
            }

            // 开始时间
            APP::set('TIMESTAMP_START', microtime(true));

            // 只要定义了数据库配置中的任一项均自动连接数据库
            if (APP::is_set('MYSQL_SERVER') || APP::is_set('MYSQL_USER') ||
                APP::is_set('MYSQL_PASSWD') || APP::is_set('MYSQL_DBNAME')) {
                $server = APP::is_set('MYSQL_SERVER') ? APP::get('MYSQL_SERVER') : 'localhost:3306';
                $user = APP::is_set('MYSQL_USER') ? APP::get('MYSQL_USER') : 'root';
                $passwd = APP::is_set('MYSQL_PASSWD') ? APP::get('MYSQL_PASSWD') : '';
                $dbname = APP::is_set('MYSQL_DBNAME') ? APP::get('MYSQL_DBNAME') : '';
                $permanent = APP::is_set('MYSQL_PERMANENT') ? APP::get('MYSQL_PERMANENT') : false;
                SQL::connect($server, $user, $passwd, $dbname, $permanent);
                if (APP::is_set('MYSQL_CHARSET')) SQL::charset(APP::get('MYSQL_CHARSET'));
            }

            // 自动执行 method_VERB
            register_shutdown_function('_leiphp_request_method_router');
        }

        /**
         * 设置
         */
        public static function set($name, $value)
        {
            APP::$config[$name] = $value;
        }

        /**
         * 获取设置
         */
        public static function get($name)
        {
            return APP::$config[$name];
        }

        /**
         * 检查是否有该项设置
         */
        public static function is_set($name)
        {
            return isset(APP::$config[$name]);
        }

        /**
         * 提前退出
         */
        public static function end()
        {
            APP::$is_exit = true;
            die;
        }
    }
} else {
    DEBUG::put('Class APP is already exists!', 'Warning');
}