Php 使用值对多维数组排序
我有一个多维数组。现在我需要按照一个值的顺序对这个数组进行排序 以下是此阵列的打印内容:Php 使用值对多维数组排序,php,arrays,sorting,Php,Arrays,Sorting,我有一个多维数组。现在我需要按照一个值的顺序对这个数组进行排序 以下是此阵列的打印内容: Array ( [2] => Array ( [NoticeType] => Invoice or Statement [PhoneNumber] => 2222222222 [NoticeIdentifier] => Firm1 [NoticeDescriptio
Array
(
[2] => Array
(
[NoticeType] => Invoice or Statement
[PhoneNumber] => 2222222222
[NoticeIdentifier] => Firm1
[NoticeDescription] => test
[AdditionalComments] => test1
[LineItemGHN] => Monthly Charges
[Amount] => 100
[StartDate] => 21/10/2014
[EndDate] =>
[TaxGroup] => GP-1 (GP-1. Service Tax (12) + Edu Cess (0.24) + Sec & High Edu Cess (0.12) for a total of 12.36%)
)
[3] => Array
(
[NoticeType] => Notice
[PhoneNumber] => 3333333333
[NoticeIdentifier] => Firm1
[NoticeDescription] => test2
[AdditionalComments] => test2
[LineItemGHN] => Half Yearly Subscription
[Amount] => 200
[StartDate] => 21/10/2014
[EndDate] =>
[TaxGroup] => GP-0 (No Taxes)
)
[4] => Array
(
[NoticeType] => Invoice or Statement
[PhoneNumber] => 2222222222
[NoticeIdentifier] => Firm1
[NoticeDescription] => test
[AdditionalComments] => test1
[LineItemGHN] => Discounts
[Amount] => 50
[StartDate] => 21/10/2014
[EndDate] =>
[TaxGroup] => GP-1 (GP-1. Service Tax (12) + Edu Cess (0.24) + Sec & High Edu Cess (0.12) for a total of 12.36%)
)
[5] => Array
(
[NoticeType] => Invoice or Statement
[PhoneNumber] => 2222222222
[NoticeIdentifier] => Firm2
[NoticeDescription] => test
[AdditionalComments] => test1
[LineItemGHN] => Monthly Charges
[Amount] => 2500
[StartDate] => 21/10/2014
[EndDate] =>
[TaxGroup] => GP-1 (GP-1. Service Tax (12) + Edu Cess (0.24) + Sec & High Edu Cess (0.12) for a total of 12.36%)
)
我需要根据电话号码对这个数组进行排序。从过去4小时开始,我一直在努力尝试我的运气。如何进行排序 使用usort,这将调用一个函数,该函数在比较数组中的两个元素时应返回小于0、0或更大的值
function myPhonenumberSort($a,$b){//$a and $b are two array elements that needs to be compared
if($a['PhoneNumber']==$b['PhoneNumber')return 0; //Return 0 because they are the same.
return ($a['PhoneNumber']<$b['PhoneNumber'])?-1:1; // A is smaller, so return -1, else return 1 (b is bigger)
}
usort($myArray,'myPhonenumberSort');
有关更多信息,请阅读PHP文档,网址为
编辑:注意,在这种非常简单的比较中,可以简单地
返回$a['PhoneNumber']-$b['PhoneNumber'] 为此,您可以使用该函数并将其传递给比较函数。例如:
function cmp($a, $b)
{
if ($a["PhoneNumber"] == $a["PhoneNumber"]) {
return 0;
}
return ($a["PhoneNumber"] < $a["PhoneNumber"]) ? -1 : 1;
}
usort($yourArray, "cmp");
使用usort将对此进行排序
function cmp($a, $b) {
return $a["PhoneNumber"] - $b["PhoneNumber"];
}
usort($arr, "cmp");
检查此链接。@suby我在$var中获取此数组。因此,这是我在$key=>$val{$PhoneNumber=$val['PhoneNumber'];$NoticeIdentifier=$val['NoticeIdentifier'];$StartDate=$val['StartDate'];$newAr[$NoticeIdentifier][$StartDate][$PhoneNumber]=$val;}