（简单加密算法）Helper/functions.php

<?php

use IlluminateSupportFacadesCache;
use AppModelsConf;

/**
 * 协作路由
 *
 * @param string $version
 * @param bool $noAuth
 * @return void
 */
function initTeamRoute(string $version, bool $noAuth = false)
{
    $dir = app_path('Routes/' . $version . '/');

    if (is_dir($dir)) {

        if ($noAuth) {
            $noAuthDir = $dir . 'noauth';
            if (is_dir($noAuthDir)) {
                $fs = glob($noAuthDir . '/*.php');
                foreach ($fs as $f) {
                    require $f;
                }
            }
        } else {
            $h = scandir($dir);
            foreach ($h as $file) {
                if (is_dir($dir . $file) && $file[0] != '.') {
                    $fs = glob($dir . $file . '/*.php');
                    foreach ($fs as $f) {
                        require $f;
                    }
                }
            }
        }

    }
}

/**
 * 返回成功后的数据
 *
 * @param mixed $data
 * @param string $msg
 * @return array
 */
function apiSuccessData($data = [], string $msg = '操作成功')
{
    $result = [
        'code' => 0,
        'msg' => $msg
    ];

    $data != [] && $result['data'] = $data;

    return $result;
}

/**
 * 返回失败后的数据
 *
 * @param string $msg
 * @param mixed $data
 * @return array
 */
function apiFailureData(string $msg = '操作失败', $data = [])
{
    $result = [
        'code' => 1,
        'msg' => $msg
    ];

    $data != [] && $result['data'] = $data;

    return $result;
}

/**
 * 为返回列表获取配置信息，本地仅获取status配置
 *
 * @param string $field 数据库字段名
 * @param string $key 配置key
 * @param string $type 类型，local:本地配置，remote:远程配置，可省略
 * @return array
 */
function conf(string $field, string $key, string $type = 'remote')
{
    // 本地配置
    if ($type == 'local') {
        $conf = [];
        $localConf = config('status.' . $key);

        if ($localConf) {
            foreach ($localConf as $key => $val) {
                $conf[] = ['label' => $val, 'value' => $key];
            }
            return [$field => $conf];
        }

        return apiFailureData('本地配置不存在');
    }

    // 远程配置
    $cacheKey = 'config.' . $key;
    if (!Cache::has($cacheKey)) {
        $confData = Conf::query()->select('conf_content')->where('conf_key', $key)->first();
        $confData && Cache::forever($cacheKey, json_decode($confData->conf_content, true));
    }

    return Cache::has($cacheKey) ? [$field => Cache::get($cacheKey)[$key]] : apiFailureData('远程配置不存在');
}

/**
 * 为Rule::in规则获取配置信息，本地仅获取status配置
 *
 * @param string $key 配置key
 * @param string $type 类型，local:本地配置，remote:远程配置，可省略
 * @return array
 */
function confRuleIn(string $key, string $type = 'remote')
{
    // 本地配置
    if ($type == 'local') {
        $localConf = config('status.' . $key);

        if ($localConf) {
            $localConf = array_filter(array_keys($localConf), function ($value) {
                return $value !== "";
            });

            return array_values($localConf);
        }

        return apiFailureData('本地配置不存在');
    }

    // 远程配置
    $cacheKey = 'config.' . $key;
    if (!Cache::has($cacheKey)) {
        $confData = Conf::query()->select('conf_content')->where('conf_key', $key)->first();
        $confData && Cache::forever($cacheKey, json_decode($confData->conf_content, true));
    }

    if (Cache::has($cacheKey)) {
        $remoteConf = Cache::get($cacheKey);
        $remoteConf = $remoteConf[$key];
        $conf = [];
        foreach ($remoteConf as $val) {
            if ($val['value'] === '') {
                continue;
            }
            $conf[] = $val['value'];
        }

        return $conf;
    }

    return apiFailureData('远程配置不存在');
}

/**
 * 关键词处理
 *
 * @param string|null $keyword
 * @return string
 */
function trimKeyword($keyword)
{
    $keyword = urldecode($keyword);
    $keyword = trim($keyword);
    $keyword = preg_replace('/_|%|insert|update|select|delete|create|join|union|where|like|drop|modify|rename|alter/i', '', $keyword);

    return $keyword;
}


/**
 * 上传文件命名
 *
 * @return string
 */
function upFileName()
{
    return uniqid() . mt_rand(100, 999);
}

/**
 * 手机号验证规则，用于验证rule（适当放宽号段，避免中间运营商放号）
 *
 * @return string
 */
function phoneRegex()
{
    return 'regex:/^1[3-9]d{9}$/';
}

function cardnoRegex()
{
    return 'regex:/^[1-9]d{5}(18|19|([23]d))d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)d{3}[0-9Xx]$/';
}

/**
 * 手机号部分隐藏
 *
 * @param string $phone
 * @return string
 */
function getHidePhone(string $phone)
{
    return substr_replace($phone, '****', 3, 4);
}

/**
 * 加密手机号
 *
 * @param string $phone
 * @return string
 */
function encryptPhone(string $phone)
{
    $map = array('i', '3', 'd', 'p', '2', '9', 'k', '+', '-', '6');
    $disturb = array(0, 2, 3, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 18, 20, 22, 23, 24, 27, 28, 30);
    $lastNo = $phone[10];
    $firstNo = $phone[$lastNo];
    $firstStr = $firstNo . substr($phone, 1);
    $secondStr = '';
    for ($i = 0; $i <= 10; $i++) {
        $secondStr .= $map[$firstStr[$i]];
    }
    $thirdStr = encryptVisualData($secondStr);
    $resultChar = md5($thirdStr);
    for ($i = 0; $i < 22; $i++) {
        $resultChar[$disturb[$i]] = $thirdStr[$i];
    }

    return $resultChar;
}

/**
 * 解密手机号
 *
 * @param string $phoneCode
 * @return string
 */
function decryptPhone(string $phoneCode)
{
    $map = ['i', '3', 'd', 'p', '2', '9', 'k', '+', '-', '6'];
    $disturb = [0, 2, 3, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 18, 20, 22, 23, 24, 27, 28, 30];
    $phoneChar = '';
    for ($i = 0; $i < 22; $i++) {
        $phoneChar .= $phoneCode[$disturb[$i]];
    }
    $thirdStr = decryptVisualData($phoneChar);
    $secondStr = '';
    for ($i = 0; $i <= 10; $i++) {
        foreach ($map as $key => $val) {
            if ($thirdStr[$i] == $val) {
                $secondStr .= $key;
                break;
            }
        }
    }
    $firstStr = '1' . substr($secondStr, 1);

    return $firstStr;
}


/**
 * 加密数据显示化
 *
 * @param string $str
 * @return string
 */
function encryptVisualData(string $str)
{
    return urlBase64Encode(encryptData($str, config('app.key')));
}

/**
 * 加密数据显示化解密
 *
 * @param string $str
 * @return string
 */
function decryptVisualData(string $str)
{
    return decryptData(urlBase64Decode($str), config('app.key'));
}

/**
 * 简单数据加密 by liu21st
 *
 * @param string $data
 * @param string $key
 * @return string
 */
function encryptData(string $data, string $key)
{
    $str = '';
    $char = '';
    $key = md5($key);
    $data = base64_encode($data);
    $x = 0;
    $len = strlen($data);
    $l = strlen($key);
    for ($i = 0; $i < $len; $i++) {
        if ($x == $l) $x = 0;
        $char .= substr($key, $x, 1);
        $x++;
    }
    for ($i = 0; $i < $len; $i++) {
        $str .= chr(ord(substr($data, $i, 1)) + (ord(substr($char, $i, 1))) % 256);
    }

    return $str;
}

/**
 * 简单数据解密 by liu21st
 *
 * @param string $data
 * @param string $key
 * @return string
 */
function decryptData(string $data, string $key)
{
    $char = '';
    $str = '';
    $key = md5($key);
    $x = 0;
    $len = strlen($data);
    $l = strlen($key);
    for ($i = 0; $i < $len; $i++) {
        if ($x == $l) $x = 0;
        $char .= substr($key, $x, 1);
        $x++;
    }
    for ($i = 0; $i < $len; $i++) {
        if (ord(substr($data, $i, 1)) < ord(substr($char, $i, 1))) {
            $str .= chr((ord(substr($data, $i, 1)) + 256) - ord(substr($char, $i, 1)));
        } else {
            $str .= chr(ord(substr($data, $i, 1)) - ord(substr($char, $i, 1)));
        }
    }

    return base64_decode($str);
}


/**
 * 去除Base64编码的特殊符号
 *
 * @param string $str
 * @return string
 */
function urlBase64Encode(string $str)
{
    $data = base64_encode($str);
    $data = str_replace(['+', '/', '='], ['-', '_', ''], $data);

    return $data;
}

/**
 * 还原Base64编码的特殊符号
 *
 * @param string $str
 * @return string
 */
function urlBase64Decode(string $str)
{
    $data = str_replace(['-', '_'], ['+', '/'], $str);
    ($mod = strlen($data)) % 4 && $data .= substr('====', $mod);

    return base64_decode($data);
}

/**
 * 加密身份证号
 *
 * @param string $cardNo 身份证号
 * @param string $methodOne 加密方法一
 * @param string $methodTwo 加密方法二
 * @param int $option 数据格式
 * @param string $iv 初始化向量
 * @return string  加密后64位字符串
 */
function encryptCardno(string $cardNo, $methodOne = 'DES-ECB', $methodTwo = 'DES-OFB', $option = OPENSSL_RAW_DATA, $iv = 'YC0Xkac6')
{
    $disturb = array(1, 3, 5, 6, 8, 10, 14, 16, 17, 19, 20, 22, 23, 25, 26, 28, 29, 30, 32, 35, 36, 39, 40, 42, 45, 46, 48, 53, 57, 58, 60, 63);

    // firstStr
    $tail = substr($cardNo, strlen($cardNo) - 5, 4);
    $firstStr = $cardNo . $tail;
    // secondStr
    $secondStr = openssl_encrypt($firstStr, $methodOne, config('app.key'), $option);
    // thirdStr
    $thirdStr = openssl_encrypt($secondStr, $methodTwo, config('app.key'), $option, $iv);
    $secondStr = base64_encode($secondStr);
    $thirdStr = base64_encode($thirdStr);
    // resultChar
    $resultChar = $secondStr . $thirdStr;
    for ($i = 0; $i < 32; $i++) {
        $resultChar[$disturb[$i]] = $thirdStr[$i];
    }

    return $resultChar;
}

/**
 * 解密身份证号
 *
 * @param string $CardCode 加密后的64位字符串
 * @param string $methodOne 第一个解密方法
 * @param string $methodTwo 第二个解密方法
 * @param int $option 数据格式
 * @param string $iv 初始化向量
 * @return bool|string 解密后身份证号
 */
function decryptCardno(string $CardCode, $methodOne = 'DES-ECB', $methodTwo = 'DES-OFB', $option = OPENSSL_RAW_DATA, $iv = 'YC0Xkac6')
{

    $disturb = array(1, 3, 5, 6, 8, 10, 14, 16, 17, 19, 20, 22, 23, 25, 26, 28, 29, 30, 32, 35, 36, 39, 40, 42, 45, 46, 48, 53, 57, 58, 60, 63);

    $thirdStr = '';
    for ($i = 0; $i < 32; $i++) {
        $thirdStr .= $CardCode[$disturb[$i]];
    }
    $thirdStr = base64_decode($thirdStr);
    $secondStr = openssl_decrypt($thirdStr, $methodTwo, config('app.key'), $option, $iv);
    $firstStr = openssl_decrypt($secondStr, $methodOne, config('app.key'), $option);

    $firstStr = substr($firstStr, 0, strlen($firstStr) - 4);
    return $firstStr;
}

/**
 * 私钥加密
 *
 * @param $aString
 * @return string
 */
function enRsaPrivate($aString)
{
    $str = '-----BEGIN RSA PRIVATE KEY-----' . PHP_EOL . config('app.private_key') . PHP_EOL . '-----END RSA PRIVATE KEY-----';

    $pr_key = openssl_pkey_get_private($str);//这个函数可用来判断私钥是否是可用的，可用返回资源id Resource id
    openssl_private_encrypt($aString, $encrypted, $pr_key);//私钥加密
    $encrypted = base64_encode($encrypted);//加密后的内容通常含有特殊字符，需要编码转换下，在网络间通过url传输时要注意base64编码是否是url安全的
    return $encrypted;
}

/**
 *  递归获取树桩结构数据
 *
 * @param $data 查询获取的数组
 * @param int $pid 初始父级id
 * @param string $table 表名
 * @return array   树状结构数据
 */
function oneCoverTree($data, int $pid = 0, string $table = '')
{
    $tree = array();

    foreach ($data as $k => $v) {
        if ($v[$table . '_pid'] == $pid) {        //父亲找到儿子
            $v[$table . '_children'] = oneCoverTree($data, $v[$table . '_id'], $table);
            $tree[] = $v;
            unset($data[$k]);
        }
    }

    return $tree;
}

/**
 *  递归恢复树状结构数组为一维数组并添加$table . _order字段数组
 *
 * @param $data 树状结构数组
 * @param int $pid 初始父级id
 * @param string $table 表名
 * @return array 带$table . _order一维数组数据
 */
function treeCoverOne($data, int $pid = 0, string $table = '', int $icon = 0)
{
    static $list = [];
    $order = 1000;
    foreach ($data as $k => $v) {
        $v[$table . '_order'] = $order;
        if ($icon) {
            $v[$table . '_icon'] = $v[$table . '_icon'] ? $v[$table . '_icon'][0] : null;
        }
        $v[$table . '_pid'] = $pid;
        treeCoverOne($v[$table . '_children'], $v[$table . '_id'], $table, $icon);
        unset($v[$table . '_children']);
        $list[] = $v;
        $order--;

    }

    return $list;
}

function getFileTypeCode(String $fileName = '')
{
    $fileContent = IlluminateSupportFacadesFile::get($fileName);
    $fileInfo = @unpack("c2chars", substr($fileContent, 0, 2));
    $fileTypeCode = intval($fileInfo['chars1'] . $fileInfo['chars2']);
    return $fileTypeCode;
}