php常用函数2

<?php
/**
 * @StrHidtel       字符串打码
 * ===========================
 * @Str             字符串
 * @Percen          百分比
 * @Count           次数
 * @ToStr           替换的字符串
 */
function StrHidtel($Str, $Percen = 30, $Count = 1, $ToStr = "0")
{
    // 判断字符串长度
    $StrLen = mb_strlen($Str, "UTF-8");
    // 计算中间百分比值
    $MaxLen = ceil($StrLen * $Percen / 100);
    $StartLen = $StrLen - $MaxLen;
    // 生成同等长度的*
    $Blurry = str_repeat($ToStr, $MaxLen);
    // 截取要替换的字符串
    $ShifText = mb_substr($Str, $StartLen / 2, $MaxLen, "UTF-8");
    // 替换字符串
    return str_replace($ShifText, $Blurry, $Str, $Count);
}

/**
 * @SaveLog         存储日志
 * =========================
 * @Text            储存内容
 * @Type            类型
 */
function SaveLog ($Type, $Text)
{
    // 初始化
    date_default_timezone_set("PRC");
    $day=date("Y-m-d",time());
    $Time = "[".date("Y-m-d H:i:s",time())."]";
    $hade="[".$_SERVER['REQUEST_URI']."]";
    $LogPath = './';
    $FilePath = $LogPath.$Type.$day.".log";
    // 判断文件是否存在
    $f = fopen ($FilePath, "ab+");
    // 写入
    fwrite($f, "$Time-$hade-$Text"."\r\n");
    fclose($f);
}


/**
 * @GetIP 获取客户端IP
 */
function getIP()
{
    if (getenv('HTTP_CLIENT_IP'))
    {
        $ip = getenv('HTTP_CLIENT_IP');
    }
    elseif (getenv('HTTP_X_FORWARDED_FOR'))
    {
        $ip = getenv('HTTP_X_FORWARDED_FOR');
    }
    elseif (getenv('HTTP_X_FORWARDED'))
    {
        $ip = getenv('HTTP_X_FORWARDED');
    }
    elseif (getenv('HTTP_FORWARDED_FOR'))
    {
        $ip = getenv('HTTP_FORWARDED_FOR');
    }
    elseif (getenv('HTTP_FORWARDED'))
    {
        $ip = getenv('HTTP_FORWARDED');
    }
    else
    {
        $ip = $_SERVER['REMOTE_ADDR'];
    }
    preg_match("/^(\d|\.)+$/si", $ip, $isip);

    if($isip == NULL)
    {
        F404("系统无法验证您的身份:$ip");
        exit;
    }
    return $ip;
}


/**
 * @IntIp 获取客户端的Int型IP
 */
function IntIp()
{
    // 转换为数字IP
    $IntIP = ip2long(getIP());
    // 判断是否转换失败
    if ($IntIP) {
        return $IntIP;
    } else {
        return false;
    }
}

/**
 * @OrderGenerate   订单号生成
 * ===========================
 * @UserID          用户ID
 * @Type            订单类型 1:充值, 2:提现, 或获取具体类型
 * @ID              相关ID
 */
function OrderGenerate($UserID, $Type, $ID = "0")
{
    // 初始化
    $Time = time();
    $IP = str_pad(abs(IntIp()), 10, "0");
    // 生成随机数3位
    $RandSub = RandomStr(3, 1);
    // 填补用户ID
    $UserText = str_pad($UserID, 10, "0", STR_PAD_LEFT);
    // 初始化8
    $OrderID = date("Ymd", $Time);
    // 截取最后一位相关ID9
    $OrderID .= substr($ID, -1);
    // 填补类型ID14
    $OrderID .= str_pad($Type, 5, "0");
    // 填充随机数17
    $OrderID .= $RandSub;
    // 填充IP前半段19
    $OrderID .= mb_substr($IP, 3, 2);
    // 填补时间戳后5位24
    $OrderID .= mb_substr($Time, 4, 5);
    // 填充IP前后段29
    $OrderID .= mb_substr($IP, 7, 3);
    // 截取用户后4位ID31
    $OrderID .= mb_substr($UserText, 6, 4);

    // 输出
    return $OrderID;
}


/**
 * @IsString    判断变量是否存在且为字符串
 * =======================================
 * @Variable    实际传入变量 Array
 * @KeyName     键名 Array
 * @Exclude     排除
 */
function IsString ($IsString, $KeyName, $Exclude = array())
{

    // 判断条数是否相等
    if((is_array($IsString) && is_array($KeyName) && count($IsString) == count($KeyName)) || (count($IsString) == (count($KeyName) + count($Exclude))))
    {

        // 循环实际传入变量
        foreach($KeyName as $List => $As)
        {
            // 判断是否存在于传入之中,且为字符串
            if(!(isset($IsString[$As]) && (is_string($IsString[$As]) || is_int($IsString[$As]))))
            {
                if (!in_array($As, $Exclude))
                {
                    return false;
                }
            }
        }
        // 无误输出
        return true;
    }
    else
    {

        return false;
    }
}

$date=['a'=>123,'b'=>456,'c'=>789,'d'=>'<script>alert(111111)</script>'];


/**
 * @IsUtf8 编码转换
 * @Str 传入字符串
 */
function IsUtf8($Str)
{
    $encode = mb_detect_encoding($Str, array("ASCII",'UTF-8',"GB2312","GBK","BIG5"));
    if($encode != 'UTF-8')
    {
        $Str = iconv($encode,"UTF-8",$Str);;
    }
    return $Str;
}

/********************php验证身份证号码是否正确函数*********************/
function is_idcard( $id )
{
    $id = strtoupper($id);
    $regx = "/(^\d{15}$)|(^\d{17}([0-9]|X)$)/";
    $arr_split = array();
    if(!preg_match($regx, $id))
    {
        return FALSE;
    }
    if(15==strlen($id)) //检查15位
    {
        $regx = "/^(\d{6})+(\d{2})+(\d{2})+(\d{2})+(\d{3})$/";

        @preg_match($regx, $id, $arr_split);
        //检查生日日期是否正确
        $dtm_birth = "19".$arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4];
        if(!strtotime($dtm_birth))
        {
            return FALSE;
        } else {
            return TRUE;
        }
    }
    else      //检查18位
    {
        $regx = "/^(\d{6})+(\d{4})+(\d{2})+(\d{2})+(\d{3})([0-9]|X)$/";
        @preg_match($regx, $id, $arr_split);
        $dtm_birth = $arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4];
        if(!strtotime($dtm_birth)) //检查生日日期是否正确
        {
            return FALSE;
        }
        else
        {
            //检验18位身份证的校验码是否正确。
            //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。
            $arr_int = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
            $arr_ch = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
            $sign = 0;
            for ( $i = 0; $i < 17; $i++ )
            {
                $b = (int) $id{$i};
                $w = $arr_int[$i];
                $sign += $b * $w;
            }
            $n = $sign % 11;
            $val_num = $arr_ch[$n];
            if ($val_num != substr($id,17, 1))
            {
                return FALSE;
            } //phpfensi.com
            else
            {
                return TRUE;
            }
        }
    }

}