php 生成随机字符串
可以指定是纯数字 还是纯字母 或者混合的。
可以指定长度的。
function rand_zifu($what,$number){
$string='';
for($i = 1; $i //混合
$panduan=1;
if($what == 3){
if(rand(1,2)==1){
$what=1;
}else{
$what=2;
}
$panduan=2;
}
//数字
if($what==1){
$string.=rand(0,9);
}elseif($what==2){
//字母
$rand=rand(0,24);
$b='a';
for($a =0;$a $b++;
}
$string.=$b;
}
if($panduan==2)$what=3;
}
return $string;
}
echo rand_zifu(3,10);
Statement:The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn