How can files accessed through PHP be properly integrated into an existing HTML document using the "src" attribute?
When integrating files accessed through PHP into an existing HTML document using the "src" attribute, you need to use the PHP opening and closing tags within the attribute value to execute the PHP code and output the file content. This allows you to dynamically include files within your HTML document based on certain conditions or variables.
<img src="<?php echo 'path/to/image.jpg'; ?>" alt="Image">