Introduction to PHP

PHP: Hypertext Preprocessor, is a open source scripting language that is especially suited for web development and can be embedded into HTML. The PHP code is enclosed in special start and end <?php and ?> processing instructions .

PHP is executed on the server, generating HTML which is then sent to the client. The client would receive the results of running that script.

Example #1 An introductory example
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <title>Example</title>
    </head>
    <body>

        <?php
            
echo "Hi, I'm a PHP script!";
        
?>
    </body>
</html>

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