PHP Introduction

PHP is the most popular server-side scripting language for creating dynamic web pages.

PHP stands for Hypertext Preprocessor. PHP is a very popular and widely used open-source server-side scripting language used to write dynamically generated web pages. PHP was originally created by Rasmus Lerdorf in1994year created. It was originally called Personal Home Page.

PHP scripts are executed on the server, and the results are sent to the web browser in pure HTML format. PHP can be integrated with many popular databases, including MySQL, PostgreSQL, Oracle, Microsoft SQL Server, Sybase, etc. The current main version of PHP is7. All the code in this tutorial has been tested for the latest version of PHP 7It has been tested and verified.

PHP is a very powerful language, but it is easy to learn and use. Therefore, add this website to your bookmarks and continue.

What can PHP do

PHP can do more.

• You can dynamically generate pages and files.

• You can create, open, read, write, and close files on the server.

• You can collect data from web forms, such as user information, email, phone number, etc.

• You can send emails to your website users.

• You can send and receive cookies to track visitors to your website.

• You can store, delete, and modify information in the database.

• You can limit unauthorized access to your website.

• You can encrypt data to securely transmit it over the Internet.

The list does not end here. You can also do many other interesting things with PHP. In the following chapters, you will learn in detail about all these contents.

Advantages of PHP compared to other languages

If you are familiar with other server-side languages such as ASP.NET or Java, you may wonder what makes PHP so special. There are several advantages to choosing PHP.

• Easy to learn: PHP is easy to learn and use. It is often considered the preferred language for beginners starting web development.

• Open-source: PHP is an open-source project. It is developed and maintained by a global community of developers who provide its source code for download and use free of charge.

• Portability: PHP can run on various platforms such as Microsoft Windows, Linux, Mac OS, and is compatible with almost all servers in use today (such as Apache, IIS, etc.).

• Fast performance:Scripts written in PHP usually execute or run faster than those written in other scripting languages (such as ASP, Ruby, Python, Java, etc.).

• Extensive community:Due to the global community support for PHP, it is very easy to find help or documentation related to PHP online.

What does this tutorial cover?

This PHP tutorial series covers all basic programming concepts, including data types, operators, creating and using variables, generating output, structuring code to make decisions or iterate over the same code block multiple times in a program, creating and manipulating strings and arrays, defining and calling functions, and more.

After familiarizing yourself with the basics, you will move on to the next level, explaining concepts such as file systems, sessions and cookies, dates and times, and how to send emails from scripts, handle and validate forms, and filter and process errors in PHP.

Finally, you will explore some advanced concepts such as classes and objects, parsing JSON data, pattern matching with regular expressions, exception handling, and how to use PHP to operate data in MySQL databases and create useful features such as user login systems, Ajax searches, and more.