Hi I have an array with keys as date in this format.
嗨，我有一个数组，其中键作为此格式的日期。
$arr = array(
"20110805" => "2",
"20100703" => "5",
"20110413" => "3",
"20100805" => "4",
"20100728" => "6",
"20090416" => "7",
"20080424" => "8",
"20110819" => "1",
);
how can I sort this array by key. Thank you.
我怎么能按键排序这个数组。谢谢。
2 个解决方案
#1
20
With the dates in that format, an alphabetical comparison will work just fine. Use the PHP function ksort.
使用该格式的日期，按字母顺序进行比较就可以了。使用PHP函数ksort。
ksort($arr);
#2
4
Just this single line of code:
只需这一行代码：
ksort($arr);
#1
20
With the dates in that format, an alphabetical comparison will work just fine. Use the PHP function ksort.
使用该格式的日期，按字母顺序进行比较就可以了。使用PHP函数ksort。
ksort($arr);
#2
4
Just this single line of code:
只需这一行代码：
ksort($arr);