DedeV6/system/helpers/util.helper.php

<?php
if (!defined('DEDEINC')) exit('dedebiz');
/**
 * 核心小助手
 *
 * @version        $Id: util.helper.php 4 19:20 2010年7月6日Z tianya $
 * @package        DedeBIZ.Helpers
 * @copyright      Copyright (c) 2022, DedeBIZ.COM
 * @license        https://www.dedebiz.com/license
 * @link           https://www.dedebiz.com
 */
define('T_NEW_LINE', -1);

if (!function_exists('token_get_all_nl')) {
    function token_get_all_nl($source)
    {
        $new_tokens = array();

        //Get the tokens
        $tokens = token_get_all($source);

        //Split newlines into their own tokens
        foreach ($tokens as $token) {
            $token_name = is_array($token) ? $token[0] : null;
            $token_data = is_array($token) ? $token[1] : $token;

            //Do not split encapsed strings or multiline comments
            if ($token_name == T_CONSTANT_ENCAPSED_STRING || substr($token_data, 0, 2) == '/*') {
                $new_tokens[] = array($token_name, $token_data);
                continue;
            }

            //Split the data up by newlines
            $split_data = preg_split('#(\r\n|\n)#', $token_data, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);

            foreach ($split_data as $data) {
                if ($data == "\r\n" || $data == "\n") {
                    //This is a new line token
                    $new_tokens[] = array(T_NEW_LINE, $data);
                } else {
                    //Add the token under the original token name
                    $new_tokens[] = is_array($token) ? array($token_name, $data) : $data;
                }
            }
        }

        return $new_tokens;
    }
}

if (!function_exists('token_name_nl')) {
    function token_name_nl($token)
    {
        if ($token === T_NEW_LINE) {
            return 'T_NEW_LINE';
        }

        return token_name($token);
    }
}

/**
 *  获得当前的脚本网址
 *
 * @return    string
 */
if (!function_exists('GetCurUrl')) {
    function GetCurUrl()
    {
        if (!empty($_SERVER["REQUEST_URI"])) {
            $scriptName = $_SERVER["REQUEST_URI"];
            $nowurl = $scriptName;
        } else {
            $scriptName = $_SERVER["PHP_SELF"];
            if (empty($_SERVER["QUERY_STRING"])) {
                $nowurl = $scriptName;
            } else {
                $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
            }
        }
        return $nowurl;
    }
}

/**
 *  获取用户真实地址
 *
 * @return    string  返回用户ip
 */
if (!function_exists('GetIP')) {
    function GetIP()
    {
        static $realip = NULL;
        if ($realip !== NULL) {
            return $realip;
        }
        if (isset($_SERVER)) {
            if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
                $arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
                /* 取X-Forwarded-For中第x个非unknown的有效IP字符? */
                foreach ($arr as $ip) {
                    $ip = trim($ip);
                    if ($ip != 'unknown') {
                        $realip = $ip;
                        break;
                    }
                }
            } elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
                $realip = $_SERVER['HTTP_CLIENT_IP'];
            } else {
                if (isset($_SERVER['REMOTE_ADDR'])) {
                    $realip = $_SERVER['REMOTE_ADDR'];
                } else {
                    $realip = '0.0.0.0';
                }
            }
        } else {
            if (getenv('HTTP_X_FORWARDED_FOR')) {
                $realip = getenv('HTTP_X_FORWARDED_FOR');
            } elseif (getenv('HTTP_CLIENT_IP')) {
                $realip = getenv('HTTP_CLIENT_IP');
            } else {
                $realip = getenv('REMOTE_ADDR');
            }
        }
        preg_match("/[\d\.]{7,15}/", $realip, $onlineip);
        $realip = !empty($onlineip[0]) ? $onlineip[0] : '0.0.0.0';
        return $realip;
    }
}

/**
 *  获取编辑器
 *
 * @param     string  $fname  表单名称
 * @param     string  $fvalue 如果表单中有默认值,则填入默认值
 * @param     string  $nheight 高度
 * @param     string  $etype   编辑器类型
 * @param     string  $gtype   获取类型
 * @param     string  $isfullpage   是否全屏
 * @return    string
 */
if (!function_exists('GetEditor')) {
    function GetEditor($fname, $fvalue, $nheight = "350", $etype = "Basic", $gtype = "print", $isfullpage = "FALSE", $bbcode = false)
    {
        if (!function_exists('SpGetEditor')) {
            require_once(DEDEINC."/inc/inc_fun_funAdmin.php");
        }
        return SpGetEditor($fname, $fvalue, $nheight, $etype, $gtype, $isfullpage, $bbcode);
    }
}

/**
 *  获取模板
 *
 * @param     string  $filename 文件名称
 * @return    string
 */
if (!function_exists('GetTemplets')) {
    function GetTemplets($filename)
    {
        if (file_exists($filename)) {
            $fp = fopen($filename, "r");
            $rstr = fread($fp, filesize($filename));
            fclose($fp);
            return $rstr;
        } else {
            return '';
        }
    }
}

/**
 *  获取系统模板
 *
 * @param     $filename  模板文件
 * @return    string
 */
if (!function_exists('GetSysTemplets')) {
    function GetSysTemplets($filename)
    {
        return GetTemplets($GLOBALS['cfg_basedir'].$GLOBALS['cfg_templets_dir'].'/system/'.$filename);
    }
}

/**
 *  获取新闻提示
 *
 * @return    void
 */
if (!function_exists('GetNewInfo')) {
    function GetNewInfo()
    {
        if (!function_exists('SpGetNewInfo')) {
            require_once(DEDEINC."/inc/inc_fun_funAdmin.php");
        }
        return SpGetNewInfo();
    }
}

/**
 *  生成一个随机字符
 *
 * @access    public
 * @param     string  $ddnum
 * @return    string
 */
if (!function_exists('dd2char')) {
    function dd2char($ddnum)
    {
        $ddnum = strval($ddnum);
        $slen = strlen($ddnum);
        $okdd = '';
        $nn = '';
        for ($i = 0; $i < $slen; $i++) {
            if (isset($ddnum[$i + 1])) {
                $n = $ddnum[$i].$ddnum[$i + 1];
                if (($n > 96 && $n < 123) || ($n > 64 && $n < 91)) {
                    $okdd .= chr($n);
                    $i++;
                } else {
                    $okdd .= $ddnum[$i];
                }
            } else {
                $okdd .= $ddnum[$i];
            }
        }
        return $okdd;
    }
}

/**
 *  json_encode兼容函数
 *
 * @access    public
 * @param     string  $data
 * @return    string
 */
if (!function_exists('json_encode')) {
    function format_json_value(&$value)
    {
        if (is_bool($value)) {
            $value = $value ? 'TRUE' : 'FALSE';
        } else if (is_int($value)) {
            $value = intval($value);
        } else if (is_float($value)) {
            $value = floatval($value);
        } else if (defined($value) && $value === NULL) {
            $value = strval(constant($value));
        } else if (is_string($value)) {
            $value = '"'.addslashes($value).'"';
        }
        return $value;
    }

    function json_encode($data)
    {
        if (is_object($data)) {
            //对象转换成数组
            $data = get_object_vars($data);
        } else if (!is_array($data)) {
            //普通格式直接输出
            return format_json_value($data);
        }
        //判断是否关联数组
        if (empty($data) || is_numeric(implode('', array_keys($data)))) {
            $assoc  =  FALSE;
        } else {
            $assoc  =  TRUE;
        }
        //组装 Json字符串
        $json = $assoc ? '{' : '[';
        foreach ($data as $key => $val) {
            if (!is_NULL($val)) {
                if ($assoc) {
                    $json .= "\"$key\":".json_encode($val).",";
                } else {
                    $json .= json_encode($val).",";
                }
            }
        }
        if (strlen($json) > 1) { //加上判断 防止空数组
            $json  = substr($json, 0, -1);
        }
        $json .= $assoc ? '}' : ']';
        return $json;
    }
}

/**
 *  json_decode兼容函数
 *
 * @access    public
 * @param     string  $json  json数据
 * @param     string  $assoc  当该参数为 TRUE 时，将返回 array 而非 object
 * @return    string
 */
if (!function_exists('json_decode')) {
    function json_decode($json, $assoc = FALSE)
    {
        //目前不支持二维数组或对象
        $begin  =  substr($json, 0, 1);
        if (!in_array($begin, array('{', '[')))
            //不是对象或者数组直接返回
            return $json;
        $parse = substr($json, 1, -1);
        $data  = explode(',', $parse);
        if ($flag = $begin == '{') {
            //转换成PHP对象
            $result   = new stdClass();
            foreach ($data as $val) {
                $item    = explode(':', $val);
                $key =  substr($item[0], 1, -1);
                $result->$key = json_decode($item[1], $assoc);
            }
            if ($assoc)
                $result   = get_object_vars($result);
        } else {
            //转换成PHP数组
            $result   = array();
            foreach ($data as $val)
                $result[]  =  json_decode($val, $assoc);
        }
        return $result;
    }
}