PHP Introduction

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PHP is a server-side scripting language. This means PHP code runs on the server, and the result is sent to the client’s browser as plain HTML.

What You Should Already Know

Before diving into PHP, you should be familiar with the following technologies:

     

      • HTML

      • CSS

      • JavaScript

    If you need to learn these subjects first, check out the tutorials on our Home page.

    What is PHP?

       

        • Speed Improvements: PHP 7 is significantly faster than the previous stable release (PHP 5.6).

        • Enhanced Error Handling: PHP 7 offers improved error handling capabilities.

        • Strict Type Declarations: PHP 7 supports stricter type declarations for function arguments.

      • New Operators: PHP 7 introduces new operators, such as the spaceship operator <=>.

      Example Code Snippet

         

          • Cross-Platform Compatibility: PHP runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.).

          • Server Compatibility: PHP works well with most servers currently in use (Apache, IIS, etc.).

          • Database Support: PHP supports a wide range of databases.

          • Cost-Effective: PHP is free to download from the official PHP website: php.net.

        • Ease of Learning: PHP is straightforward to learn and efficient for server-side scripting.

        What’s New in PHP 7?

         

          • Speed Improvements: PHP 7 is significantly faster than the previous stable release (PHP 5.6).

          • Enhanced Error Handling: PHP 7 offers improved error handling capabilities.

          • Strict Type Declarations: PHP 7 supports stricter type declarations for function arguments.

        • New Operators: PHP 7 introduces new operators, such as the spaceship operator <=>.

        Example Code Snippet

        <!DOCTYPE html>
<html>
<body>

<?php
$car = "Toyota";
$motorcycle = "Yamaha";

echo "I own a " . $car . " car and a " . $motorcycle . " motorcycle.";
?>

</body>
</html>

         

        What Can PHP Do?

         

        With PHP, you aren’t limited to just HTML output. You can also generate images, PDF files, and other types of text, such as XHTML and XML.

        Why PHP?

         

        What’s New in PHP 7?

         

        Example Code Snippet

        <!DOCTYPE html>
<html>
<body>

<?php
$car = "Toyota";
$motorcycle = "Yamaha";

echo "I own a " . $car . " car and a " . $motorcycle . " motorcycle.";
?>

</body>
</html>

         

        What is a PHP File?

         

        What Can PHP Do?

         

        With PHP, you aren’t limited to just HTML output. You can also generate images, PDF files, and other types of text, such as XHTML and XML.

        Why PHP?

         

        What’s New in PHP 7?

         

        Example Code Snippet

        <!DOCTYPE html>
<html>
<body>

<?php
$car = "Toyota";
$motorcycle = "Yamaha";

echo "I own a " . $car . " car and a " . $motorcycle . " motorcycle.";
?>

</body>
</html>

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