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Notice (8): SplFileObject::fwrite() [<a href='https://secure.php.net/splfileobject.fwrite'>splfileobject.fwrite</a>]: Write of 5131 bytes failed with errno=28 No space left on device [CORE/src/Cache/Engine/FileEngine.php, line 141]

Notice: file_put_contents() [function.file-put-contents]: Write of 3152 bytes failed with errno=28 No space left on device in /www/wwwroot/www.adminso.com/vendor/cakephp/cakephp/src/Log/Engine/FileLog.php on line 140
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Notice (8): unserialize() [<a href='https://secure.php.net/function.unserialize'>function.unserialize</a>]: Error at offset 24325 of 24565 bytes [APP/Controller/NewsController.php, line 5571]

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php生成随机字符串可指定纯数字、纯字母或者混合的示例

PHP 2014-12-02 01:02:29 转载来源: 网络整理/侵权必删

本文是一个php生成随机字符串可指定纯数字、纯字母或者混合的示例代码,感兴趣的同学参考下. 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

本文是一个php生成随机字符串指定数字、纯字母或者混合的示例代码,感兴趣的同学参考下.
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 <= $number; $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;$a <=$rand;$a++){
$b++;
}
$string.=$b;
}
if($panduan==2)$what=3;
}
return $string;
}
echo rand_zifu(3,10);

标签: php 生成 随机 字符串 指定 数字 字母 或者 混合


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