再来个随机字符串-PHP源码
php代码
function str_rand($length)//随机字符,参数是长度
{
if(empty($length))
return NULL;
$a = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$rand_str = '';
for($i=0;$i<$length;++$i)
{
$rand_str .= $a[rand(0,61)];
}
return $rand_str;
}
/phpyy/43451.htmlwww.phpzy.comtrue/phpyy/43451.htmlTechArticle再来个随机字符串-PHP源码 php代码 function str_rand($length)//随机字符,参数是长度{if(empty($length))return NULL;$a = ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz;$rand_str = ;for($i=0;$i...
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