Introduction to PHP

Introduction to PHP

PHP is known to be a popular scripting language especially suited for web development. Known for being one of the fastest, flexible and pragmatic languages, PHP powers everything from a normal blog to the most popular websites in the world.

Overview of PHP

Let’s start with the basic definition of the term.

PHP: Hypertext Preprocessor is a scripting language from the server-side. It was earlier known as personal home pages. It can be downloaded freely and can be used widely. The language can easily run on various social networks like Facebook. For beginners, this language is the easiest one to learn. 

This language is friendly and is integrated with various well-known databases such as MySQL, Oracle and also Microsoft SQL server. It can be used to create e-commerce websites and also for managing dynamic data. 

The difference between JavaScript and PHP is that the former is interpreted as a client browser whereas the latter is mainly server-oriented. However, both can be embedded deeply into HTML pages.

Key Features of PHP

•  With its extensions, PHP can extract every bit of data that needs to be shown on a web page.

•  POP3, IMAP, and LDAP are some high-level protocols supported through PHP.

•  This scripting language is quite fast in execution. For instance, MySQL server with the help of PHP can execute various complex issues in an infraction of time giving great output.

•  It is a simple, efficient, secure and flexible form of language which allows developers to define the logic required to create web pages.

•  It has a  C-like syntax.

•  With the help of HTML, web pages can be designed. There are codes which are executed on the browser at the client-side. But in PHP these codes are first executed on the server and later on the client browser.

•  It is mainly processed through a PHP interpreter in the form of a module.

•  The language is popular because of its open-source nature which means you do not have to pay for it and is comparatively faster than other languages. 

•  Also, it is platform-independent which means it can run on Linux, Windows, Mac and such.

•  It is a language which is interpreted and does not need any compilation.

•  PHP creates the summary of recent accesses and thus provides users with access to logging.

•  PHP is a language which is case sensitive during variable declaration. But certain keywords, functions, classes are not taken as case sensitive.

•  The files in PHP are followed with .php as an extension and consist of HTML, CSS and PHP code.

•  PHP is not only for HTML, but you can have PDF files and also flash movies. Also, XHTML and XML can be achieved as an output.

What is the Scope of PHP?

•    On different platforms such as Windows and Linux, the language can be transmitted.

•    Apache, IIS are some servers with which PHP is compatible.

•    PHP is open source and free.

•    It has a curve which is a short learning curve in comparison to other languages like JSP or ASP.

•    PHP consists of a large document library.

•    It is a cost-effective option as many servers which perform web hosting have default support of PHP which is not in the case of languages such as ASP.

•    PHP is updated on a continuous basis to keep up with the latest technology.

•    There is an inbuilt configuration in PHP with which there is a great support to work along with MySQL.  Still, it is possible to use PHP on another database server like Oracle or MS SQL server.

•    It has scope to create or open and even read and write the files available on a system which are the system related functions which PHP easily executes.

•    Forms can be smoothly handled through PHP which means data can be gathered from files. This data can be saved or sent via email and even it can be sent back to the user. 

•    With the help of PHP, elements present in the database can be edited, deleted and modified.

•    It lets you make use of cookies variables and set them.

•    You can keep restrictions like not allowing users to get access to certain web pages presents on the website via PHP.

•    PHP helps in data encryption.

The above-mentioned features are some of the reasons why PHP is so successful. People may have various other points to support PHP and hence it can be said that PHP is a flexible language which is going to be loved by programmers for long. Although PHP has many competitors it still is in high demand and a popular language to create web applications. It consists of web servers above 75% and it is still growing. Therefore, with its new versions, it is believed that PHP is not going to die soon as per the rumours but has a great future prospect.

Written By

Jasmine Bano

A writer with 9+ years of stained experience on paper. She's been into copywriting and content for advertisement with 20+ brands. Apart from the ad copies, she also writes blogs which, considering why you're reading this, makes perfect sense. She's best known for writing fiction, non-fiction, advertising copies, ad campaigns, and has won the best writer award from her former companies three times. She was also a semi-finalist for "Bumble's most influential women in India" in the year 2019. Apart from writing, you can find her running "Womeant" (a social initiative for women empowerment) and educating street kids to pass time.


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