时间：2021-01-14 11:14:22 | 栏目：PHP代码 | 点击：次
本文实例为大家分享了php生出随机字符串的具体代码，供大家参考，具体内容如下
function generateRandomString($length = 10) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, strlen($characters) - 1)];
}
return $randomString;
}
echo generateRandomString(20);
/**
* 随机生成字符串
* @param int $length
* @return null|string
*/
private static function getRandChar($length = 8){
$str = null;
$strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
$max = strlen($strPol)-1;
for($i=0;$i<$length;$i++){
$str.=$strPol[rand(0,$max)]; //rand($min,$max)生成介于min和max两个数之间的一个随机整数
}
return $str;
}