PHP中具有错误索引的反向数组
在PHP中,我有这样一个数组:PHP中具有错误索引的反向数组,php,arrays,reverse,Php,Arrays,Reverse,在PHP中,我有这样一个数组: Array ( [12] => Dec [01] => Jan [02] => Feb [03] => Mar [04] => Apr [05] => May [06] => Jun [07] => Jul [08] => Aug [09] => Sep [10] => Oct [
Array (
[12] => Dec
[01] => Jan
[02] => Feb
[03] => Mar
[04] => Apr
[05] => May
[06] => Jun
[07] => Jul
[08] => Aug
[09] => Sep
[10] => Oct
[11] => Nov
)
Array (
[0] => Nov
[1] => Oct
[09] => Sep
[08] => Aug
[07] => Jul
[06] => Jun
[05] => May
[04] => Apr
[03] => Mar
[02] => Feb
[01] => Jan
[2] => Dec
)
然后我会这样做:
$reverse\u months=array\u reverse($months)代码>
我不明白的是为什么结果会是这样:
Array (
[12] => Dec
[01] => Jan
[02] => Feb
[03] => Mar
[04] => Apr
[05] => May
[06] => Jun
[07] => Jul
[08] => Aug
[09] => Sep
[10] => Oct
[11] => Nov
)
Array (
[0] => Nov
[1] => Oct
[09] => Sep
[08] => Aug
[07] => Jul
[06] => Jun
[05] => May
[04] => Apr
[03] => Mar
[02] => Feb
[01] => Jan
[2] => Dec
)
您可以清楚地看到,与原始的$months
数组相比,过去三个月的索引错误:-(
任何人都可以解释为什么会发生这种奇怪的行为,以及我如何修复它吗?结果是我想要的结果,除了十月、十一月和十二月的数组索引错误。谢谢!10、11和12是数字键,其中01、02等是命名键,php所做的是重新计算编号的键。有e 3,因此0,1,2。命名键不会被重新计算(它们应该如何计算?)。要同时保留整数键,请使用
array_reverse($months, true);
10、11和12是数字键,其中01、02等是命名键,php所做的是重新计算编号键。其中有3个是0、1、2。命名键不重新计算(应该如何计算)。要保留整数键,请使用
array_reverse($months, true);
$reverse\u months=array\u reverse($months,true);您是否尝试过$reverse\u months=array\u reverse($months,true);
?尝试此array\u reverse($input,true)
;查看array\u reverse$reverse\u months=array\u reverse($months,true)的说明;是否尝试过$reverse\u months=array\u reverse($months,true)
?试试这个array\u reverse($input,true)
;看看array\u reverse的描述w,有时候答案很简单,让你抓狂:D Life saver,非常感谢!哇,有时候答案很简单,让你抓狂:D Life saver,非常感谢!