How can one ensure that PHP code is properly executed within an HTML document in XAMPP?

To ensure that PHP code is properly executed within an HTML document in XAMPP, you need to make sure that the file extension is ".php" and that the PHP code is enclosed within <?php ?> tags. Additionally, you need to run the file through the XAMPP server to interpret the PHP code. 

&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;title&gt;PHP in HTML&lt;/title&gt;
&lt;/head&gt;
&lt;body&gt;
    &lt;?php
        echo &quot;Hello, World!&quot;;
    ?&gt;
&lt;/body&gt;
&lt;/html&gt;

Keywords

XAMPP PHP code HTML document execution syntax error

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