Variable scope is known as its boundary within which it can be visible or accessed from code. In other

There is no need to write a dollar sign ($) before a constant, where as in variable one has

To define a constant you have to use define() function and to retrieve the value of a constant, you have to

Built-in datatypes in PHP: Integer - whole numbers String - alphanumeric text Float - decimal point numbers(also called double) Boolean - represents logical

Both, PHP is compiled down to an intermediate bytecode that is then interpreted by the runtime engine. PHP compiler is

Composer is an application-level package manager for the PHP applications that provides a standard system for managing dependencies of

In PHP, variable names are case-sensitive but function names are not case sensitive. If we define function name in

PHP or Hypertext Pre-processor is a general purpose programming language written in C and used by developers to create