抽中概率 php

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB
Libérer: 2016-07-29 09:05:01
original
983 Les gens l'ont consulté

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

<code><span><span><?php </span><span>/**

*@FileName rand.php   抽中红包概率测试

**/</span>

header(<span>"Content-type: text/html; charset=utf-8"</span>);

<span>/**

* 抽奖

*<span> @param</span> int $total 1为百分百中奖  2为二分之一中奖率  3为三分之一中奖率  以此类推...

*/</span><span><span>function</span><span>getReward</span><span>(<span>$total</span>=<span>10</span>)</span>

{</span><span>if</span>(<span>$total</span> == <span>1</span>){

  <span>return</span><span>1</span>;

}

<span>$win1</span> = (<span>$total</span>-<span>1</span>)/<span>100</span>;

<span>$other</span> = (<span>$total</span>-<span>1</span>)-<span>$win1</span>;

<span>$return</span> = <span>array</span>();

<span>for</span> (<span>$i</span>=<span>0</span>;<span>$i</span>$win1</span>;<span>$i</span>++)

{

<span>$return</span>[] = <span>1</span>;<span>//中奖</span>

}

<span>for</span> (<span>$n</span>=<span>0</span>;<span>$n</span>$other</span>;<span>$n</span>++)

{

<span>$return</span>[] = <span>0</span>;<span>//不中奖</span>

}

<span>//print_r($return);</span>

shuffle(<span>$return</span>);<span>//把数组中的元素按随机顺序重新排序</span><span>return</span><span>$return</span>[array_rand(<span>$return</span>)];

}

<span>$data</span> = getReward();

<span>echo</span><span>$data</span>;<span>die</span>;

 

<span>?></span></code>

Copier après la connexion
').addClass('pre-numbering').hide(); $(this).addClass('has-numbering').parent().append($numbering); for (i = 1; i ').text(i)); }; $numbering.fadeIn(1700); }); });

以上就介绍了抽中概率 php,包括了方面的内容,希望对PHP教程有兴趣的朋友有所帮助。

Étiquettes associées:
Déclaration de ce site Web
Le contenu de cet article est volontairement contribué par les internautes et les droits d'auteur appartiennent à l'auteur original. Ce site n'assume aucune responsabilité légale correspondante. Si vous trouvez un contenu suspecté de plagiat ou de contrefaçon, veuillez contacter admin@php.cn
Tutoriels populaires
Plus>
Derniers téléchargements
Plus>
effets Web
Code source du site Web
Matériel du site Web
Modèle frontal