Question

我已经使用csv文件创建了多维数组。我得到以下数组：

Array
(
    [0] => Array
        (
            [0] => Product
            [1] => Price
            [2] => Quantity
            [3] => Date
        )

    [1] => Array
        (
            [0] => Teddybear
            [1] => 3.789,33
            [2] => 2
            [3] => 2018-08-14
        )

    [2] => Array
        (
            [0] => Teddybear
            [1] => 2.702,17
            [2] => 1
            [3] => 2018-02-17
        )

    [3] => Array
        (
            [0] => Table
            [1] => 2.932,29
            [2] => 5
            [3] => 2018-10-09
        )

    [4] => Array
        (
            [0] => Lamp
            [1] => 671,70
            [2] => 3
            [3] => 2018-12-11
        )

    [5] => Array
        (
            [0] => Teddybear
            [1] => 481,21
            [2] => 3
            [3] => 2018-03-24
        )

    [6] => Array
        (
            [0] => Table
            [1] => 456,52
            [2] => 3
            [3] => 2018-05-14
        )

    [7] => Array
        (
            [0] => Chair
            [1] => 2.960,20
            [2] => 2
            [3] => 2018-06-20
        )

    [8] => 
)

我需要创建一个json文件，但在此之前，我需要计算每月的所有产品和营业额

我是PHP的新手/初级开发人员，而且我更擅长WordPress，所以请原谅我的错误代码和/或错误做法。我在这里学习。

我真的不知道如何选择所有的泰迪熊。我知道我可以$csv[1][1];为第一个Tedybear选择营业额。

Answer 1

好的，这里应该有您需要的所有东西，我做了3个函数，您可以将它们链接在一起以获得所需的东西，如示例中

$data=[
    ["Product","Price","Quantity","Date"], // <-- if you want to remove the header remove all the lines with this symbol *
    ["Teddybear",3789.33,2,"2018-08-14"],
    ["Teddybear",2702.17,1,"2018-02-17"],
    ["Table",2932.29,5,"2018-10-09"],
    ["Lamp",671.70,3,"2018-12-11"],
    ["Teddybear",481.21,3,"2018-03-24"],
    ["Table",45.52,3,"2018-05-14"],
    ["Chair",2960.20,2,"2018-06-20"]
];


function WhereFromColum($data,$colum,$equal){
    $ret=[];
    array_push($ret,$data[0]);  // *
    $colum = is_numeric($colum)?$colum:array_search($colum,$data[0]);
    for($i=1/* 0 if you remove the header to data*/;$i!=count($data);$i++)
        if ($data[$i][$colum]==$equal) 
            array_push($ret,$data[$i]);
    return $ret;
}

function CountFromColum($data,$colum){
    $ret=0;
    $colum = is_numeric($colum)?$colum:array_search($colum,$data[0]);
    for($i=1/* 0 if you remove the header to data*/;$i!=count($data);$i++)
        $ret+=$data[$i][$colum];
    return $ret;
}

function WhereFromColumData($data,$colum,$min,$max){
    $contractDateBegin = new DateTime($min);
    $contractDateEnd  = new DateTime($max);
    $ret=[];
    array_push($ret,$data[0]);  // *
    $colum = is_numeric($colum)?$colum:array_search($colum,$data[0]);
    for($i=1/* 0 if you remove the header to data*/;$i!=count($data);$i++){
        $paymentDate = new DateTime($data[$i][$colum]);
        if ($paymentDate->getTimestamp() > $contractDateBegin->getTimestamp() && 
            $paymentDate->getTimestamp() < $contractDateEnd->getTimestamp())
            array_push($ret,$data[$i]);
    }
    return $ret;
}


var_dump(WhereFromColum($data,"Product","Teddybear")); // get all Teddybear's Product
var_dump(CountFromColum($data,"Quantity")); // get all Quantity
var_dump(CountFromColum(WhereFromColum($data,"Product","Teddybear"),"Quantity"));  // get all Quantity of Teddybear's Product
var_dump(WhereFromColumData($data,"Date","2018-08-01","2018-12-01")); // get all between 2018-08-01 and 2018-12-01
var_dump(WhereFromColumData(WhereFromColum($data,"Product","Teddybear"),"Date","2018-08-01","2018-12-01")); // get all Teddybear's Product between 2018-08-01 and 2018-12-01

通常，我通常不编写代码，而是解释如何执行代码，但是在您的情况下，它太复杂了，因此请仔细阅读这三个功能，并尝试了解它们的工作原理。 PHP我建议您使用这些功能，并对其进行修改以适合您的最佳需求。当您了解它们的工作原理后，您还可以创建具有相同嵌套逻辑的另一个过滤器，从而使您可以制作更高级的过滤器。

获取价值多维数组并组合产品组

1 个答案: