<?php

if (!function_exists('getTimeRangeArr')) {

    /**
     * 获取时间段数组
     * @param $stTime
     * @param $enTime
     * @param int $step
     * @return array
     */
    function getTimeRangeArr($stTime, $enTime, $step = 14)
    {
        $timeRangeArr = [];
        while ($stTime < $enTime) {
            $stTimeStr = strtotime($stTime);

            $clTime = date('Y-m-d', $stTimeStr + (86400 * $step));
            if ($clTime >= $enTime) {
                $clTime = $enTime;
            }
            $temp = [
                'st' => $stTime,
                'en' => $clTime
            ];

            $timeRangeArr[] = $temp;

            $stTime = date('Y-m-d', $stTimeStr + (86400 * ($step + 1)));
        }

        return $timeRangeArr;
    }
}

if (!function_exists('getDayArr')) {

    /**
     * 获取时间数组
     * @param $stTime
     * @param $enTime
     * @param int $step
     * @return array
     */
    function getDayArr($stTime, $enTime, $formatData)
    {
        $dayArr = [];
        while ($stTime <= $enTime) {
            $temp = $formatData;

            $temp['day'] = $stTime;
            $dayArr[]    = $temp;

            $stTime = date('Y-m-d', strtotime($stTime) + 86400);
            unset($temp);
        }

        return $dayArr;
    }
}


function h5_set_sign($params)
{
    if(empty($params)){
        return false;
    }

    $str = '';
    ksort($params);
    foreach($params as $k=>$v){
        if(is_array($v)){
            $v = json_encode($v);
        }
        $str .= $k.'='.$v;
    }

    $solt = 'ur904wtr5pfctaw5';

    $sign = md5(md5($str) . $solt);

    return $sign;
}

function h5_verify_sign($params)
{
    if( empty($params) || !isset($params['sign']) ){
        return false;
    }

    $sign = $params['sign'];
    unset($params['sign']);
    
    $_sign = h5_set_sign($params);

    if($sign == $_sign){
        return true;
    }

    return false;
}