Php 对该数组进行分组和求和
我有一个数组,它的输出是:Php 对该数组进行分组和求和,php,mysql,Php,Mysql,我有一个数组,它的输出是: Array ( [winners] => Array ( [0] => Gold Member [1] => CROTCH SNIFFER [2] => TEAM #1 ) [prizeTotal] => 20 ) Array ( [winners] => Array ( [0] => TEAM #1 [1] => CROTC
Array ( [winners] =>
Array ( [0] => Gold Member
[1] => CROTCH SNIFFER
[2] => TEAM #1 )
[prizeTotal] => 20 )
Array ( [winners] =>
Array ( [0] => TEAM #1
[1] => CROTCH SNIFFER )
[prizeTotal] => 60 )
Array ( [winners] =>
Array ( [0] => Gold Member
[1] => TEAM #1 )
[prizeTotal] => 30 )
Array ( [winners] =>
Array ( [0] => TEAM #1
[1] => TEAM #2
[2] => SCREW-NUT-BOLT )
[prizeTotal] => 90 )
Array ( [winners] =>
Array ( [0] => Gold Member
[1] => CROTCH SNIFFER
[2] => TEAM #1 )
[prizeTotal] => 20 )
Gold Member should have 20
CROTCH SNIFFER should have 20
TEAM #1 should have 20 AND
Array ( [winners] =>
Array ( [0] => TEAM #1
[1] => CROTCH SNIFFER )
[prizeTotal] => 60 )
TEAM #1 should have 60
CROTCH SNIFFER sould have 60....etc....
提前感谢…您需要创建一个新数组来保存结果,然后针对每个现有数组,检查您是否已经为该团队处理了一个数组 如果有,只需将prizeTotal添加到存储在该团队的新阵列条目中的prizeTotal
如果没有,只需将团队条目添加到新阵列中。假设您可以将所有阵列收集到一个阵列中,即:
$arrays = array($array1,$array2,....,$arrayn);
然后
这将产生如下结果:
$grouping[TEAM #1] = 200
$grouping[TEAM #2] = 90
$grouping[CROTCH SNIFFER] = 200
...
我制作了一个模仿mysql
SUM()
和groupby
的函数。我希望它能满足您的需要:
$in_a = array(
array("a" => 0,"b"=>0,"s"=> 1),
array("a" => 0,"b"=>0,"s"=> 2),
array("a" => 1,"b"=>1,"s"=> 1),
array("a" => 0,"b"=>1,"s"=> 1),
array("a" => 0,"b"=>1,"s"=> 1),
array("a" => 1,"b"=>0,"s"=> 1),
array("a" => 0,"b"=>1,"s"=> 1),
array("a" => 1,"b"=>1,"s"=> 1),
array("a" => 1,"b"=>0,"s"=> 1),
);//input array exaple
$group_by_a = array("a","b");//input array will be grouped by these
$sum_a = array("s"); //'s' values of input will be summed
$out_a = array(); //this is the output array
foreach($in_a as $in_i => $in)
{
$add = false;
foreach($out_a as $out_i => $out)
{
$add = true;
foreach($group_by_a as $group_by)
if($in[$group_by] != $out[$group_by])
{
$add = false;
break;
}
if($add)
{
foreach($sum_a as $sum)
$out_a[$out_i][$sum] += $in[$sum];
break;
}
}
if(!$add)
{
foreach($group_by_a as $group_by)
$out_a[$in_i][$group_by] = $in[$group_by];
foreach($sum_a as $sum)
$out_a[$in_i][$sum] = $in[$sum];
}
}
结果是:
Array
(
[0] => Array
(
[a] => 0
[b] => 0
[s] => 3
)
[2] => Array
(
[a] => 1
[b] => 1
[s] => 2
)
[3] => Array
(
[a] => 0
[b] => 1
[s] => 3
)
[5] => Array
(
[a] => 1
[b] => 0
[s] => 2
)
)
发布您目前拥有的代码?
Array
(
[0] => Array
(
[a] => 0
[b] => 0
[s] => 3
)
[2] => Array
(
[a] => 1
[b] => 1
[s] => 2
)
[3] => Array
(
[a] => 0
[b] => 1
[s] => 3
)
[5] => Array
(
[a] => 1
[b] => 0
[s] => 2
)
)