Data types in PHP

This tutorial explains the range of data types that can be used in PHP including: String (letters, numbers and other characters – stored inside quotation marks) Integer (whole positive or negative numbers) Float (positive …

Introduction to JSON

JSON stands for JavaScript Object Notation. JSON is a light-weight data interchange format that uses JavaScript syntax in text format that can be read and used as data by other …

Radio buttons and form validation

Forms allow users to submit data in many different ways. A range of form input elements are available including text boxes, checkboxes, radio buttons, and submit buttons. This video tutorial …

Submitting forms

This video tutorial explains how to create a form which can accept a username and password, and then submit the form data. The video only explains how to use the text …

Data Types

This source code shows how create and use variables of different data types. Strings are text (letters, numbers and characters), integers are regular whole numbers (treated as numbers), and floats …