零填充一个整数 php
如何“零填充”整数?
即
1 becomes 0001
40 becomes 0040
174 becomes 0174
如何“零填充”整数?
即
1 becomes 0001
40 becomes 0040
174 becomes 0174
$filled_int = sprintf("%04d", $your_int)
$number = 12;
$width = 4;
$padded = str_pad((string)$number, $width, "0", STR_PAD_LEFT);