php生成随机字符串函数
- 代码:
/* @desc:生成随机字符串 @param $len 要生成的字符串长度 @return str 生成的字符串 */ function randstr($len){ $pattern = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLOMNOPQRSTUVWXYZ,./<>?;#:@~[]{}-_=+)(*&^%FCKpd0pound;”!'; $strlen = mb_strlen($pattern) - 1; $str = ""; for($i = 0;$i < $len;$i++){ $str .= $pattern[mt_rand(0,$strlen)]; } return $str; }
- 测试:
$ret = randstr(10); var_dump($ret);
- 输出:
string(10) "t8{OQ;,Sz["
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