如何在PHP中将整数转换为数组？-HowtoconvertanintegertoanarrayinPHP?

33  

You can use str_split and intval:

您可以使用str_split和intval：

$number = 2468;

    $array  = array_map('intval', str_split($number));

var_dump($array);

Which will give the following output:

这将给出以下输出：

array(4) {
  [0] => int(2)
  [1] => int(4)
  [2] => int(6)
  [3] => int(8)
}

Demo

演示

5  

You can cut-off the last digit by taking the number modulo 10.

您可以通过取数为10的数字来截断最后一位数字。

Don't tell it to anyone!

不要告诉任何人！

do 
{
    $array.add(num % 10);
    num = num / 10;
}
while (num != 0);

2  

use str_split() function

使用str_split（）函数

$array = str_split($str);

http://php.net/manual/en/function.str-split.php

http://php.net/manual/en/function.str-split.php

0  

Example #2 Splitting a string into component characters

示例＃2将字符串拆分为组件字符

$str = 'string';
$chars = preg_split('//', $str, -1, PREG_SPLIT_NO_EMPTY);