1.字符串分割成数组
输出：
Array
(
[0] => Hello
[1] => world.
[2] => It’s
[3] => a
[4] => beautiful
[5] => day.
)
2.小数点精确到后面3位
四舍无入的:
number_format(numble,位数);
1.字符串分割成数组
输出：
Array
(
[0] => Hello
[1] => world.
[2] => It’s
[3] => a
[4] => beautiful
[5] => day.
)
2.小数点精确到后面3位
四舍无入的:
number_format(numble,位数);
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