#php variables

PHP Primitives, Operations and Expressions

PHP Primitives, Operations and Expressions: If you are interested in PHP then this article is right for you. Here you will know about PHP syntactic rules and characteristics and more.

If you have not seen my previous PHP article where I have talked about Overview of PHP, Advantages and disadvantages of PHP etc, https://www.webdesigntechnologies.in/php-hyper-text-preprocessor/.

First we will…

A variable is used to store the information. In php variable is declare by $ symbol.

Variables in PHP

Variables are used for storing a values, like text string, numbers or arrays.

When a variable is declare, it can be used over and over again in your scripts.

Variable does not need to be declare before adding a value to it.

In a strongly typed programing language, you have to declare the type and name of the variable before using it.

THe correct way of declaring a variable in PHP:

$var_name = value;

New php programs often forget the $ sign at the beginning of the variable.In that case it will not work.

Let’s try creating a variable containing a string, and a variable containing a number:

<?php$txt=”Hello World”;$x=16;?>