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PHP随机生成n位字符串

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Release： 2016-06-21 08:48:33
Original
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//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

$s.=$str[rand(0, $str_len)];

}

echo $s;

}

rand_str(32);

?>



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