$runningnumber=1;
$comp = "CT";
echo $result = $comp.date('mdy').str_pad($runningnumber++, 5, "0",
STR_PAD_LEFT);
我如何增加 $runnungnumber 像 00001, 00002, 00003, 00004, 00005, 00006 .... 请帮忙
我想要的输出是
CT08221700001
CT08221700002
CT08221700003
CT08221700004
CT08221700005