Creating a helper to work with a person's date of birth
From time to time, you'll need an age verification script, a method to ascertain whether or not a user is of a certain age. Based on their age, they may be allowed, or disallowed, from viewing content, for example, a website that promotes adult products, such as alcohol or tobacco or a games site that promotes a game rated for certain ages. The code in this recipe helps you to ascertain a user's age, compares that against a minimum age requirement, and displays an HTML file accordingly.
How to do it…
We're going to create five files:
/path/to/codeigniter/application/controllers/register.php: This is the controller for our recipe/path/to/codeigniter/application/helpers/dob_val_helper.php: This ...
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