php随机a-z,php生成区间字母,A-Z或者A-AZ,或者B-CC等等任意组合
$v = createStartToEnd("A","AZ");print_r($v);function createStartToEnd($s='',$e=''){$_start = $s;$_end = $e;$_start = strtoupper($_start);$_end = strtoupper($_end);$startlen = strlen($_start);$endlen =...