How can PHP developers ensure that images are correctly linked and displayed on both local and online environments?

When working with images in PHP, developers can ensure that images are correctly linked and displayed on both local and online environments by using relative paths for image URLs. This ensures that the correct path to the image is used regardless of the environment. Additionally, developers can use PHP functions like `$_SERVER['DOCUMENT_ROOT']` to dynamically generate the correct path to the image. 

<img src="<?php echo $_SERVER['DOCUMENT_ROOT'] ?>/images/image.jpg" alt="Image">

Keywords

PHP image linking local environment online environment display issue

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