Question

我有像

这样的月份数组

$month = array(
    01 => "January",
    02 => "February",
    03 => "March",
    04 => "April",
    05 => "May",
    06 => "June",
    07 => "July",
    08 => "August",
    09 => "September",
    10 => "October",
    11 => "Novemeber",
    12 => "December"
);

但是当我打印它时，它显示如下<

Array
(
    [1] => January
    [2] => February
    [3] => March
    [4] => April
    [5] => May
    [6] => June
    [7] => July
    [0] => September
    [10] => October
    [11] => Novemeber
    [12] => December
)

它显示为9月和8月不是显示。

任何人都可以告诉我这有什么问题。
感谢

Answer 1

尝试添加引号：


$month = array(
    "01" => "January",
    "02" => "February",
    "03" => "March",
    "04" => "April",
    "05" => "May",
    "06" => "June",
    "07" => "July",
    "08" => "August",
    "09" => "September",
    "10" => "October",
    "11" => "Novemeber",
    "12" => "December"
);

Answer 2

从0开始的Nubmber被解释为octal constats。

由于8和9不是八进制中的有效数字，08和09是无效数字，并且都被解释为0。 “08”是字符串，即使在算术运算的情况下，也会被解释为正常的十进制整数：

"echo '08'+'08'; // 16

因此，使用字符串应该是安全的。

月份数组没有显示正确的值

2 个答案: