PHP 랜덤 문자열 만들기

PHP 랜덤 문자열 만들기

function generateRandomString($length = 10) {  
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';  
$charactersLength = strlen($characters);  
$randomString = '';  
for ($i = 0; $i < $length; $i++) {  
$randomString .= $characters[rand(0, $charactersLength - 1)];  
}  
return $randomString;  
}