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What is the Purpose of PHP?

Although PHP is considered by many to be an outdated language, it still has plenty of functionality. Learn why should you use PHP in today's article.

14 Jun, 21 by Antoniy Yushkevych 7 min Read

List of content you will read in this article:

What is a Scripting Language's Definition?

A script is a collection of programming instructions that are runtime processed. A scripting language interprets scripts as they are running. Scripts are most often used in some device contexts. Scripts are typically used to improve the efficiency of an application or to execute repetitive tasks. Server-side scripts are defined by the server, while the client program defines client-side scripts.

 

PHP stands for Hypertext Preprocessor, or Personal Home Pages as it was previously known. It's a server-side scripting language for building open-source software apps. A scripting language is a software written for job automation that is script-based (lines of code).

It is used to build both static and interactive websites, as well as all web applications. PHP scripts can only be run on a computer that has the PHP language loaded. Only a web server is required on client computers to access PHP scripts. PHP files have the ".php" extension and contain PHP tags.

  • It's powerful enough to take command of WordPress, the world's most successful blogging website!
  • It's also very easy enough for a beginner to use as their first server-side language.

With the help of HTML, web pages can be created and developed. HTML allows Javascript to be executed on the user's browser (client-side). The PHP server-side scripting language, on the other hand, is executed on the server before reaching the user's web browser.

PHP is well adapted for web development and interactive websites for web apps, e-commerce applications, and database applications because it is embedded in HTML. It's a user-friendly language that can bind to MySQL, Oracle, and other databases with ease.

What Can PHP Do?

  • PHP can create interactive content for web pages.
  • PHP can create, access, read and write, erase, and close all files.
  • PHP can extract data from forms.
  • PHP can communicate with cookies.
  • PHP can install, erase, and change data in your database.
  • PHP is used to monitor who has access to what information.
  • PHP can encrypt files.

One is not limited to producing HTML with PHP, photos, PDF files, and even flash movies could be the output.

 

  • PHP is  seen on various websites.
  • PHP is compliant with nearly all of today's servers (Apache, IIS, etc.)
  • PHP can work with a variety of databases.
  • PHP is a free programming language. It's available for download at www.php.net, the official PHP website.
  • PHP is free of cost and open source programming/scripting language.
  • When opposed to other languages such as JSP, ASP, and others, the learning curve is relatively short.
  • Documentation for a large population.
  • Unlike other languages that require IIS, most web hosting servers have been supported by  PHP. As a result, PHP is a Cost Saving choice.
  • To be updated with technological advancements, PHP is upgraded frequently.
  • Another benefit of PHP is that it is a server-side scripting language, which means that it only has to be installed on the server and that client machines using server resources do not need PHP; just using a web browser suffices.
  • PHP has built-in support for dealing with MySQL; however, this would not exclude you from using PHP for other database management systems. You can also use PHP for Postgres, Oracle, ODBC, MS SQL Server, and so forth.

Compatibility with Operating Systems and Web Servers: PHP is compatible with several Unix versions, Microsoft Windows, macOS, RISC OS, and several other operating systems. It is also compatible with most of today's web servers Apache, IIS, and a few other applications. It also includes Lighttpdand Nginx, as well as any web server that can use the PHP binary. PHP can be used as a plugin or a CGI processor. 

As a result, with PHP, you have complete control over the operating system and web server you use. You have the option of using procedural programming, object-oriented programming (OOP), or a hybrid of both languages.

PHP allows you to do more than just build HTML. You can also conveniently output any document, like XHTML and other XML files. Instead of printing these files, PHP will autogenerate them and save them to the file system, forming a server-side cache for your complex material.

Support for Databases: PHP's support for a wide variety of databases is one of its best and most important features. Creating a database-enabled web page is extremely easy using PHP. Other databases, such as CouchDB, can use cURL or sockets.

Support for Protocols: PHP also supports various protocols, including LDAP, IMAP, POP3, HTTP, COM, and others. You may also use some other protocol to communicate with raw network sockets.PHP supports WDDX dynamic data sharing between nearly all Web programming languages. PHP allows you to instantiate Java objects and use them as PHP objects transparently when it comes to interconnection.

Text Processing and Picture Gallery: PHP's text processing capabilities include Perl compliant regular expressions (PCRE) and many several the store's product catalog and inventory online are all possible. You may also build an interactive picture gallery to display items using PHP and MySQL.

Graphics are Created Using PHP and the GD Library

To build basic graphics on the fly or modify existing graphics, use the GD Library packaged with PHP. You will want to resize, rotate, or convert images to grayscale to create thumbnails of them. Users can edit their avatars or create CAPTCHA verifications using practical applications. You can also make dynamic graphics that change regularly, such as Twitter signatures.

PHP Uses Cookies

Cookies are used to recognizes the user and save the user's preferences as specified on the web so that the information does not have to be re-entered any time the user returns. The cookie is a tiny file that is stored in the server of the recipient.

Create, change, and erase cookies and restore cookie values, which are all possible with PHP.

What's Different in PHP 7?

  • PHP 7 is much quicker than the previous stable release (PHP 5.6)
  • Handling errors in the new PHP 7 has been improved.
  • For method arguments, PHP 7 now accepts stricter Type Declarations.
  • New operators (such as the spaceship operator: =>) are supported in PHP 7.

 

Hence, we learned about PHP and its various applications in the technological field and its use in the website’s backend to have smooth server connections. PHP has been efficiently upgraded to handle the error, and new operators to its usage have been released in recent years. It has been very useful to connect MySQL databases to the system and also helps in building graphics for your website.

Antoniy Yushkevych

Master of word when it comes to technology, internet and privacy. I'm also your usual guy that always aims for the best result and takes a skateboard to work. If you need me, you will find me at the office's Counter-Strike championships on Fridays or at a.yushkevych@monovm.com