示例代码如下
<?php
$number = 2;
var_dump(sprintf("%06d", $number));
$number = 20;
var_dump(sprintf("%06d", $number));
示例代码如下
<?php
$number = 2;
var_dump(sprintf("%06d", $number));
$number = 20;
var_dump(sprintf("%06d", $number));