Rozbo / puck

function.php

<?php

/**
 * 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
 * @param boolean $adv 是否进行高级模式获取（有可能被伪装）
 * @return mixed
 */
function get_client_ip($type=0, $adv=true)
{
    $type=$type ? 1 : 0;
    static $ip=null;
    if (null !== $ip) {
        return $ip[$type];
    }
    if ($adv) {
        if (isset($_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'];
        }
    } 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];
}
//2为直接输出数组
function show_json(array $arr,$type=2)
{

    if(isset($arr['status']) && $type==2){
        $ret=$arr;
    }
    else{
        $ret['status'] = $type;
        $ret['data'] = $arr;
    }

    $obj = json_encode($ret);
    header('Content-Type: application/json');
    echo $obj;
    exit();
}

function success($arr)
{
    show_json($arr,1);
}

function error($arr)
{
    show_json($arr,0);
}
function not_found($str='page not found,that is all we know!'){
    header('HTTP/1.1 404 Not Found');
    header("status: 404 Not Found");
    exit($str);
}


/**

 * 数据签名认证

 * @param  array  $data 被认证的数据

 * @return string       签名

 * @author 麦当苗儿 <zuojiazi@vip.qq.com>

 */
function data_auth_sign($data) {
    //数据类型检测

    if(!is_array($data)){

        $data = (array)$data;
    }
    ksort($data); //排序
    $code = http_build_query($data); //url编码并生成query字符串
    $sign = sha1($code); //生成签名
    return $sign;
}
/**
 * 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 = '', $value = '') {
    if (is_array($name)) {

        if (isset($name['id'])) {
            session_id($name['id']);
        }

        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']);
            ini_set('session.cookie_lifetime', $name['expire']);
        }
        if (isset($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']);
        }
        session_start();
    } elseif ('' === $value) {
        if ('' === $name) {
            // 获取全部的session
            return $_SESSION;
        } elseif (0 === strpos($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]' == $name) {
                // 重新生成id
                session_regenerate_id();
            }
        }else {
            if (strpos($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($value)) {
        // 删除session
        if (strpos($name, '.')) {
            list($name1, $name2) = explode('.', $name);
            unset($_SESSION[$name1][$name2]);
        } else {
            unset($_SESSION[$name]);
        }
    } else {
        // 设置session
        if (strpos($name, '.')) {
            list($name1, $name2) = explode('.', $name);
            $_SESSION[$name1][$name2] = $value;
        } else {
            $_SESSION[$name] = $value;
        }
    }
    return null;
}


function admin_is_login(){
    $user = session('admin_user_auth');
    if (empty($user)) {
        return 0;
    } else {
        $auth_sign=session('admin_user_auth_sign');
        if(data_auth_sign($user)!=$auth_sign){
            return 0;
        }
        return $user['uid'];
    }
}
function json($str){
    $obj = json_encode($str,JSON_UNESCAPED_UNICODE);
    header('Content-Type: application/json');
    echo $obj;
}
/**
 * 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 integer       $flags htmlspecialchars flags
 * @return void|string
 */
function dump($var, $echo = true, $label = null, $flags = ENT_SUBSTITUTE)
{
    $label = (null === $label) ? '' : rtrim($label) . ':';
    ob_start();
    var_dump($var);
    $output = ob_get_clean();
    $output = preg_replace('/\]\=\>\n(\s+)/m', '] => ', $output);
    if (IS_CLI) {
        $output = PHP_EOL . $label . $output . PHP_EOL;
    } else {
        if (!extension_loaded('xdebug')) {
            $output = htmlspecialchars($output, $flags);
        }
        $output = '<pre>' . $label . $output . '</pre>';
    }
    if ($echo) {
        echo($output);
        return;
    } else {
        return $output;
    }
}


/**
 * 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)
{
    static $_PUT = null;
    if (strpos($name, '/')) {
        // 指定修饰符
        list($name, $type) = explode('/', $name, 2);
    } else{
        // 默认强制转换为字符串
        $type = 's';
    }
    if (strpos($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':
            if (is_null($_PUT)) {
                parse_str(file_get_contents('php://input'), $_PUT);
            }
            $input = $_PUT;
            break;
        case 'param':
            switch ($_SERVER['REQUEST_METHOD']) {
                case 'POST':
                    $input = $_POST;
                    break;
                case 'PUT':
                    if (is_null($_PUT)) {
                        parse_str(file_get_contents('php://input'), $_PUT);
                    }
                    $input = $_PUT;
                    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) ? $filter : 'htmlspecialchars';
        if ($filters) {
            if (is_string($filters)) {
                $filters = explode(',', $filters);

$filters is not used, you could remove the assignment.

            }
            else if (is_array($filters)){
                foreach ($filters as $filter) {
                    $data = array_map_recursive($filter, $data); // 参数过滤
                }
            }else{
                throw new \RuntimeException('$filters must be an array or string.');
            }
        }
    } elseif (isset($input[$name])) {
        // 取值操作
        $data    = $input[$name];
        $filters = isset($filter) ? $filter : 'htmlspecialchars';
        if ($filters) {
            if (is_string($filters)) {
                if (0 === strpos($filters, '/')) {
                    if (1 !== preg_match($filters, (string) $data)) {
                        // 支持正则验证
                        return isset($default) ? $default : null;
                    }
                } else {
                    $filters = explode(',', $filters);
                }
            } elseif (is_int($filters)) {
                $filters = array($filters);
            }

            if (is_array($filters)) {
                foreach ($filters as $filter) {
                    $filter = trim($filter);
                    if (function_exists($filter)) {
                        $data = is_array($data) ? array_map_recursive($filter, $data) : $filter($data); // 参数过滤
                    } 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 '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;
                case 's':// 字符串
                default:
                    $data = (string) $data;
            }
        }
    } 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 $result;
}
function think_filter(&$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)) {
        $value .= ' ';
    }
}
function config($name=null,$value=null,$default=null){
    $config=\puck\Conf::load();
    if ($name===null){
        return $config->all();
    }
    if ($value===null){
        return $config->get($name,$default);
    }
    $config->set($name,$value);
}
/**
 * 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), "_"));
    }
}