彩票排列三组选三算法
根据用户投注的多个号码，拆成单注的数组形式print_r($r);得到的结果是：Array( [0] = Array ( [0] = 2 [1] = 1 [2] = 1 ) [1] = Array ( [0] = 3 [1] = 1 [2] = 1 ) [2] = Array ( [0] = 4 [1] = 1 [2] = 1 ) [3] = Array ( [0]
根据用户投注的多个号码，拆成单注的数组形式
print_r($r);
得到的结果是：
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
)
and so on~~~
print_r($r);
得到的结果是：
Array
(
[0] => Array
(
[0] => 2
[1] => 1
[2] => 1
)
[1] => Array
(
[0] => 3
[1] => 1
[2] => 1
)
[2] => Array
(
[0] => 4
[1] => 1
[2] => 1
)
[3] => Array
(
[0] => 1
[1] => 2
[2] => 2
)
and so on~~~
function arrange($arr){
$new_arr = array();
$c = count($arr);
foreach($arr as $key=>$vo){
$lin = $arr;
array_splice($lin,$key,1);
for($l=0;$l<$c-1;$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);
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