Thursday, September 10, 2020

An Overview of PHP



Hello dear readers! i welcome you all to another tutorial series in this great platform. We are going to be taking you guys through this series on PHP. We will be starting with an Overview of PHP.


What is PHP?

The Hypertext Preprocessor (PHP) is a programming language that allows web developers to create dynamic contents that interacts with various databases. PHP is basically used for developing web based applications.


Why Learn PHP?

PHP started out as a small open source project that evolved as more and more persons found out how useful it was. The very first version of PHP was lunched in the year 1994 by Rasmus Lerdorf.


PHP is a must for students and working professionals in order to become a great Software Engineer especially when they are working in Web Development Area. The following below are the list of advantages for learning PHP -

  • PHP is a repeated acronym for the "PHP: Hypertext Pre-processor".
  • PHP is a server side scripting language that is embedded into Html. It is used to manage dynamic content, databases, session tracking and build entire e-commerce sites.
  • PHP Programming is well integrated with a number of famous databases, including Oracle, PostgreSQL, MySQL, Sybase, Informix, and the Microsoft SQL Server.
  • PHP is zippy in its execution, mostly when it is compiled as an Apache module on the Unix OS. The MySQL server, once started, executes even very complex queries with a large result set in record-setting time.
  • PHP has support for a large number of major protocols such as the IMAP, POP3 and LDAP. PHP4 added support for Java and the distributed object achitectures (COM and COBRA), making n-tier development possible for the first time.
  • PHP is forgiving: PHP tries it best to be as forgiving as possible.
  • PHP syntax is C-Like.


Characteristics of PHP

The following below are the five most important characteristics that makes PHP's practical nature possible -

  • Efficiency
  • Simplicity
  • Flexibility
  • Security
  • Familiarity


A Brief Example of PHP

Just to give you a little excitement on PHP, we are going to give you a small conventional PHP Hello World program.

<html>
   
   <head>
      <title>Hello World</title>
   </head>
   
   <body>
      <?php echo "Hello, World!";?>
   </body>

</html>


Applications of PHP

As mentioned before, PHP is one of the most widely used language over the web. Following below is the list of few uses of PHP -

  • PHP can perform system functions, i.e. from files on a system it can create, open, read, write, and close them.
  • PHP is capable of handling forms, i.e.gather a data from file, save data to a file, via email you can send data, return data to user.
  • You can add, delete, and also modify elements within your database with PHP.
  • Accept cookie variables and also set cookie.
  • You can restrict users from having access to certain pages of your site through PHP.
  • PHP can be used to encrypt data.


Audience
This PHP tutorial is designed for the individuals who do not have any PHP knowledge but have the interest in learning and becoming experts in PHP.

Prerequisites
Before you proceed with this tutorial, you should have a basic knowledge and understanding of computer programming, internet, Database, and MySQL. It will be very helpful to you all through the course.

Alright guys! This is where we are rounding up for this tutorial post. In my next tutorial post, i will be dropping a proper Introduction to PHP.

Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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