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PHP产生随机字符串函数

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WBOYOriginal
2016-06-13 12:35:45881browse


/**  
* 产生随机字符串  
*  
* 产生一个指定长度的随机字符串,并返回给用户  
*  
* @access public  
* @param int $len 产生字符串的位数  
* @return string  
*/  
function randStr($len=6) {  
$chars='ABDEFGHJKLMNPQRSTVWXYabdefghijkmnpqrstvwxy23456789#%*'; // characters to build the password from  
mt_srand((double)microtime()*1000000*getmypid()); // seed the random number generater (must be done)  
$password='';  
while(strlen($password)$password.=substr($chars,(mt_rand()%strlen($chars)),1);  
return $password;  


?>

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