function _RandomString($length=10,$uc=TRUE,$n=TRUE,$sc=FALSE){
$source = 'abcdefghijklmnopqrstuvwxyz';
if($uc==1) $source .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
if($n==1) $source .= '1234567890';
if($sc==1) $source .= '|@#~$%()=^*+[]{}-_';
if($length>0){
$rstr = "";
$source = str_split($source,1);
for($i=1; $i<=$length; $i++){
mt_srand((double)microtime() * 1000000);
$num = mt_rand(1,count($source));
$rstr .= $source[$num-1];
}
}
return $rstr;
}
1 Response
$random = mt_rand(0, 999999);
$random_string = sha1($random);
// or
$random = file_get_contents('/dev/urandom', false, null, 0, 10);
// or
$string = bin2hex($random);
$number = current(unpack('L', $random));
// or
mcrypt_create_iv(10, MCRYPT_DEV_URANDOM);
// or
$salt = mcrypt_create_iv(10, MCRYPT_DEV_URANDOM);
$salt = base64_encode($salt);
$salt = str_replace('+', '.', $salt);
$hash = crypt('rasmuslerdorf', '$2y$10$'.$salt.'$');
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