What are the best practices for executing PHP code in files with the ".php" extension and incorporating HTML code within them?

When incorporating HTML code within PHP files with the ".php" extension, it is best practice to use PHP tags to switch between PHP and HTML code seamlessly. This can be done by opening PHP tags <?php at the beginning of the PHP code block and closing them ?> before switching back to HTML code. This ensures proper execution of PHP code within the file while allowing for the inclusion of HTML markup. 

&lt;?php
// PHP code here

echo &quot;&lt;html&gt;&quot;;
echo &quot;&lt;head&gt;&quot;;
echo &quot;&lt;title&gt;Example&lt;/title&gt;&quot;;
echo &quot;&lt;/head&gt;&quot;;
echo &quot;&lt;body&gt;&quot;;
echo &quot;&lt;h1&gt;Hello, World!&lt;/h1&gt;&quot;;
echo &quot;&lt;/body&gt;&quot;;
echo &quot;&lt;/html&gt;&quot;;

// More PHP code here
?&gt;

Keywords

PHP HTML file extension code execution integration

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