体育彩票排列三组选三算法分享

这篇文章主要介绍了php实现体育彩票排列三组选三算法示例,根据用户投注的多个号码，拆成单注的数组形式

复制代码 代码如下:

function arrange($arr){
$new_arr = array();
$c = count($arr);
foreach($arr as $key=>$vo){
$lin = $arr;
array_splice($lin,$key,1);
for($l=0;$l $larr = array();
$larr[] = $lin[$l];
$larr[] = $vo;
$larr[] = $vo;
$new_arr[] = $larr;
}
}
return $new_arr;
}
$arr = array(1,2,3,4);
$r = arrange($arr);
print_r($r);

得到的结果是：

复制代码 代码如下:

Array
(
[0] => Array
(
[0] => 2
[1] => 1
[2] => 1
)

[1] => Array
(
[0] => 3
[1] => 1
[2] => 1
)

[2] => Array
(
[0] => 4
[1] => 1
[2] => 1
)

[3] => Array
(
[0] => 1
[1] => 2
[2] => 2
)

，