Скачать или смотреть Basic Syntax of PHP

Welcome to another lesson in our Complete PHP Programming Course! 🚀 In this video, we will be focusing on one of the most important building blocks of PHP — the Basic Syntax. Before you can create dynamic websites, connect to databases, or build powerful web applications, you need to understand how PHP code is written, structured, and executed. That is exactly what we will cover in this session.

PHP, short for PHP: Hypertext Preprocessor, is a server-side scripting language that allows you to create interactive and dynamic web pages. While HTML, CSS, and JavaScript are essential for designing and controlling the front end of a website, PHP takes care of the back end, making websites come alive with logic, data handling, and user interactions. But to unlock all of these possibilities, the very first step is mastering the syntax.

👉 What you’ll learn in this video:

How to write your first PHP script

The role of PHP tags such as question mark php and question mark

Embedding PHP code inside HTML documents

How PHP statements work and why semicolons matter

Case sensitivity in PHP (knowing when capitalization matters)

Writing single-line and multi-line comments

Understanding whitespace and formatting for readability

Common mistakes beginners make when learning syntax

Why Syntax Matters

Think of syntax as the grammar rules of a language. Just like you cannot write a proper sentence without correct punctuation, you cannot write working PHP code without following its syntax. Even a missing semicolon at the end of a line will break your program. By mastering the basics of PHP syntax, you are setting yourself up for success as you move into more advanced topics like variables, operators, control structures, loops, arrays, and functions.

Writing Your First PHP Script

Every PHP program begins and ends with special tags. The standard opening tag is question mark php and the closing tag is question mark. These tags tell the server that everything in between should be interpreted as PHP code.

This simple script prints “Hello, world!” to the browser. You will notice the semicolon at the end of the line — this is crucial in PHP, as it marks the end of a statement. Forgetting a semicolon will often cause an error.

Embedding PHP in HTML

One of the most powerful features of PHP is how easily it integrates with HTML. You can write normal HTML and then add PHP code wherever you need server-side logic.

Here, HTML displays the page structure, while PHP generates the current date dynamically. This combination is what makes PHP so widely used in web development.

Case Sensitivity in PHP

PHP is partially case-sensitive. For example, variable names are case-sensitive, meaning $name, $Name, and $NAME are all treated as different variables. However, function names like echo() are not case-sensitive — ECHO and Echo will both work. This is important to remember when writing your code, as small mistakes in capitalization can lead to unexpected bugs.

Comments in PHP

Comments are lines in your code that are ignored by PHP. They are essential for explaining your logic and making your code readable for both you and others. PHP supports two main types of comments:

Single-line comments:

// This is a single-line comment


Multi-line comments:

/*
This is a
multi-line comment
*/


Using comments effectively is considered good programming practice.

Common Beginner Mistakes

When learning PHP syntax, beginners often make small but significant mistakes. Some of the most common include:

Forgetting to end statements with a semicolon.

Misplacing the opening or closing PHP tags.

Mixing up uppercase and lowercase in variable names.

Not closing quotes properly in strings.

Do not worry if you make these mistakes at first — they are part of the learning process. The more you practice, the more natural writing PHP will become.

Why This Lesson Is Important

By the end of this video, you will have a strong grasp of how PHP code is structured and executed. This foundation will make it much easier to move into the next lessons, where we will explore variables, data types, operators, and control structures. Without a clear understanding of the basic syntax, all of those advanced topics would be much harder to follow.

📌 Who is this lesson for?

Beginners who are just starting their PHP journey

Web developers learning backend programming for the first time

Students preparing for web development projects

Anyone curious about how server-side scripting works

💡 Pro Tip: Do not just watch the video — practice along by typing the examples into your own PHP environment. The more you practice, the faster you will learn.

🔔 If you enjoy this tutorial, make sure to like, share, and subscribe so you don’t miss upcoming lessons in this series. Together, we will go from the very basics of PHP all the way to building real-world projects.

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