Validates the registration input
public static registrationInputValidation ( $captcha, $user_name, $user_password_new, $user_password_repeat, $user_email, $user_email_repeat ) : boolean | ||
$captcha | ||
$user_name | ||
$user_password_new | ||
$user_password_repeat | ||
$user_email | ||
$user_email_repeat | ||
return | boolean |