时间:2021-07-01 10:21:17 帮助过:3人阅读
//随机生成n位字符串 function rand_str($num){ $str = "qwertyuioplkjhgfdsazxcvbnmQAZWSXEDCRFVTGBYHNUJMIKOLP1234567890"; $str_len = strlen($str)-1; //echo $str_len; $s=''; for ($i = 0; $i < $num; $i++) { $s.=$str[rand(0, $str_len)]; } echo $s; } rand_str(32); ?> |
http://www.bkjia.com/PHPjc/742405.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/742405.htmlTechArticle//随机生成n位字符串 functionrand_str($num){ $str = "qwertyuioplkjhgfdsazxcvbnmQAZWSXEDCRFVTGBYHNUJMIKOLP1234567890"; $str_len = strlen($str)-1; //echo $str_len; $s=''; for(...