Is it necessary to include PHP files in an HTML file for them to work together?

To make PHP code work within an HTML file, you need to include the PHP code within `<?php ?>` tags. This allows the PHP interpreter to recognize and execute the PHP code within the HTML file. Once the PHP code is included and the file is saved with a `.php` extension, the PHP code will be executed when the file is accessed through a web server. 

&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;body&gt;

&lt;h1&gt;My PHP Page&lt;/h1&gt;

&lt;?php
// PHP code goes here
echo &quot;Hello, World!&quot;;
?&gt;

&lt;/body&gt;
&lt;/html&gt;

Keywords

PHP HTML include integration web development

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