There are a lot of different things that you can do with arrays, but we will only begin to address some of them here to get started. Below are some of the functions we will discuss. If you are interested in exploring more array functions, visit the php.net array functions page.Continue Reading: PHP – Lesson 07b: Array Functions
While a “constant” is not a specific data type, it is a type of variable. Specifically, it is a variable that is not changeable. Here are some hard and fast rules about constants:Continue Reading: PHP – Lesson 06: Constants
A Boolean is a data type with either one of two values: true or false. These values, true and false, are NOT strings; they are instead logical operators which are case insensitive and are declared without quotations. They represent the concept of true or false, yes or no, 0 or 1, on or off (an so forth).Continue Reading: PHP – Lesson 05: Booleans and NULL
There are seven essential arithmetic operators:Continue Reading: PHP – Lesson 04: Arithmetic Operators, Integers, and Floats