/**
* Generates a random activation code with the given length.
* Warning: A length greater than 9 is out of integer range.
*
* @param integer $length
* @return integer
*/
public static function getActivationCode($length = 9)
{
return MathUtil::getRandomValue(pow(10, $length - 1), pow(10, $length) - 1);
}
/**
* Generates a random user password with the given character length.
*
* @param integer $length
* @return string
*/
public static function getRandomPassword($length = 8)
{
$availableCharacters = array('abcdefghijklmnopqrstuvwxyz', 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', '0123456789', '+#-.,;:?!');
$password = '';
$type = 0;
for ($i = 0; $i < $length; $i++) {
$type = $i % 4 == 0 ? 0 : $type + 1;
$password .= substr($availableCharacters[$type], MathUtil::getRandomValue(0, strlen($availableCharacters[$type]) - 1), 1);
}
return str_shuffle($password);
}
/**
* Generates a random user password with the given character length.
*
* @param integer $length
* @return string new password
*/
public static function getNewPassword($length = 9)
{
static $availableCharacters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+#-.,;:?!';
$password = '';
for ($i = 0; $i < $length; $i++) {
$password .= substr($availableCharacters, MathUtil::getRandomValue(0, strlen($availableCharacters) - 1), 1);
}
return $password;
}
