How can browser cache affect the display of PHP pages and what steps can be taken to prevent caching issues?
Browser cache can affect the display of PHP pages by storing a cached version of the page, which can lead to outdated content being displayed to users. To prevent caching issues, you can add cache control headers to your PHP pages to instruct the browser not to cache the page.
<?php
header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past
?>
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