PHP Tutorial Part-03 | Educational Corner | Creating (Declaring) PHP Variables
PHP Tutorial Part-03 | Educational Corner | Creating (Declaring) PHP Variables
Creating (Declaring) PHP Variables
PHP Variables
A variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume).
Rules for PHP variables:
A variable starts with the $ sign, followed by the name of the variable
A variable name must start with a letter or the underscore character
A variable name cannot start with a number
A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )
Variable names are case-sensitive ($age and $AGE are two different variables)
Output Variables
The PHP echo statement is often used to output data to the screen.
The following example will show how to output text and a variable: