php 随机生成10位字符代码

2019-04-10 12:07:54王振洲

function randStr($len)
{
$chars='ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz'; // characters to build the password from
$string='';
for(;$len>=1;$len--)
{
$position=rand()%strlen($chars);
$string.=substr($chars,$position,1);
}
return $string;
}
echo randStr(10)."<br>";


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