mysql:每 N 个字符添加逗号


mysql: Add comma each N characters

$string= 2013-01-0112:00:002013-01-0212:00:

002013-01-0312:00:00

我想得到

$nexstring= 2013-01-0112:00:00,2013-01-0212:00:00,2013-01-0312:00:00//comma each 18 chars

使用 str_split

$chunks = str_split($string, 18);
$nexstring = join(',', $chunks);
$nextString = implode(
    ',',
    str_split($string, 18)
);
我认为您可以使用自动

换行功能,而不是拆分字符串。

$nexstring = wordwrap($nexstring, 18, ',', true);