纯问题
我感到悲痛。
5
188
4634
而且,它们都需要格式化,以适应需要。
0000000005
0000000188
0000004634
它可以成为一个潜在的问题。
$num = sprintf("%010d", $num);
<?php
#how many chars will be in the string
$filltotal = 10;
$number = 5;
#with str_pad function the zeros will be added
echo str_pad($number, $fill, 0 , STR_PAD_LEFT);
页: 1 结果:00000005
替代物是:
echo str_pad($num, 10, "0", STR_PAD_LEFT);
您可以做到这一点。
$val = 12;
for($i=0;$i<(10 - count($val));$i++)
{
$str .= 0 ;
}
$final_val = $str.$val;
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