php计算大乐透中奖金额方法。
/**
* @desc php计算大乐透中奖金额方法
* @param string $buy_str 购买结果，类似 4+15+20+25+26+3+8
* @param string $open_result_str 开奖结果，类似 4+15+20+25+26+2+8
* @return array
*/
function countDltLottery($buy_str, $open_result_str) {
$result = [
'win_ammount' => 0,//中奖金额
'lottery_level' => ''//中奖等级描述
];
$buy_list = explode('+', $buy_str);
$buy_red_list = array_splice($buy_list, 0, 5);
array_walk($buy_red_list, function (&$value) {
$value = intval($value);
});
$buy_blue_list = array_splice($buy_list, -2);
array_walk($buy_blue_list, function (&$value) {
$value = intval($value);
});
$open_result_list = explode('+', $open_result_str);
$open_result_red_list = array_splice($open_result_list, 0, 5);
array_walk($open_result_red_list, function (&$value) {
$value = intval($value);
});
$open_result_blue_list = array_splice($open_result_list, -2);
array_walk($open_result_blue_list, function (&$value) {
$value = intval($value);
});
$red_lottery_num = count(array_intersect($buy_red_list, $open_result_red_list));
$blue_lottery_num = count(array_intersect($buy_blue_list, $open_result_blue_list));
if ($blue_lottery_num == 2) {
switch ($red_lottery_num) {
case 0:
case 1:
$result['win_ammount'] = 5;
$result['lottery_level'] = '九等奖';
break;
case 2:
$result['win_ammount'] = 15;
$result['lottery_level'] = '八等奖';
break;
case 3:
$result['win_ammount'] = 200;
$result['lottery_level'] = '六等奖';
break;
case 4:
$result['win_ammount'] = 3000;
$result['lottery_level'] = '四等奖';
break;
case 5:
$result['win_ammount'] = 10000000;
$result['lottery_level'] = '一等奖';
break;
}
} else if ($blue_lottery_num == 1) {
switch ($red_lottery_num) {
case 0:
case 1:
break;
case 2:
$result['win_ammount'] = 5;
$result['lottery_level'] = '九等奖';
break;
case 3:
$result['win_ammount'] = 15;
$result['lottery_level'] = '八等奖';
break;
case 4:
$result['win_ammount'] = 300;
$result['lottery_level'] = '五等奖';
break;
case 5:
$result['win_ammount'] = 5000000;
$result['lottery_level'] = '二等奖';
break;
}
} else {
switch ($red_lottery_num) {
case 0:
case 1:
case 2:
break;
case 3:
$result['win_ammount'] = 5;
$result['lottery_level'] = '九等奖';
break;
case 4:
$result['win_ammount'] = 100;
$result['lottery_level'] = '七等奖';
break;
case 5:
$result['win_ammount'] = 10000;
$result['lottery_level'] = '三等奖';
break;
}
}
return $result;
}