PHP Terminology

In PHP programming, you will use different terms, tools and related technologies for web development.

Let us just check these common terms along with short descriptions. If you do not understand them, just do not worry. We will discuss them in detail in later chapters.

PHPPHP is a server-side scripting language widely used for web development.
VariablesPHP variable is an data element or item, whose value can change during the program execution.
StringA string is a sequence or combination of characters, like “Hello PHP!”
ArrayAn array stores multiple values in one single variable.
FunctionsA function is a piece of code which takes one more input in the form of parameter and does some processing and returns a value.
LoopsPHP Loops are used to execute the same block of code again and again with some condition.
Other Technical Terms Description
HTMLHyperText Markup Language, commonly abbreviated as HTML, is the standard markup language used to create web pages. HTML defines the structure of website such header, footer, content area, sidebar etc.
CSSCascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language. Using CSS, You can change text colour, add borders, format fonts etc on web pages.
JavaScriptAn object-oriented computer programming language commonly used to create interactive effects within web browsers.
DBMSDatabase Management System is a software application used to store and manage data from the database.
Open SourceA software in which the original source code is made freely available and may be redistributed and modified is called Open Source Software.
MySQLMySQL is the most popular Open Source SQL database management system
BrowserComputer software or application (such as Internet Explorer or Mozilla Firefox or Chrome) that enables internet users to access, navigate, and search World Wide Web.
Web ServerA Web server is a computer application or software that is used to store, process and deliver website pages to users.
ApacheApache is one of the widely used web server software in the world.
CMSCMS Stands for Content Management System. It is a software application or set of related program files that are used to create and manage digital content using a simple interface.

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