PHP中的随机字符串

时间:2013-05-06 05:44:25

标签: php javascript

您好我想在PHP中生成随机字符串,重复如Ag7hlA。无论如何要做到这一点我正在尝试这个

<?php
function random_string($length)
{
    $length = (int) $length;
    if ($length < 1) return '';

    $base = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789";
    $max = strlen($base) - 1;

    $string = '';    
    while ($len--)
    {
        $string = $base[mt_rand(0, $max)];
    }
    return $string;
}    
?>

但是没有生成随机字符串

1 个答案:

答案 0 :(得分:0)

function generateRandomString($length = 10) {
    $char = 'abcdefghijklmnopqrstuvwxyz';
    $randomString = '';
    for ($i = 0; $i < $length; $i++) {
        $randomString .= $char[rand(0, strlen($char) - 1)];
    }
    return $randomString;
}

如果你想要添加数字,那么$char将是---&gt;

$char = 'abcdefghijklmnopqrstuvwxyz1234567890';

如果是资本案例---&gt;

$char = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';