PHP产生随机字符串函数_PHP教程

/**
* 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;
}

?>

http://www.bkjia.com/PHPjc/317275.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/317275.htmlTechArticle?php /** *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 * *@accesspublic *@paramint$len产生字符串的位数 *@returnstring */ functionra...