tp5常用公共方法-生成随机字符串

function getRandomStr($length = 6) {

$chars = '123456789abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ';

$hash = '';

$max = strlen($chars) - 1;

for($i = 0; $i < $length; $i++) $hash .= $chars[mt_rand(0, $max)];

return $hash;

}

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