How can PHP developers address the issue of "Die Seite kann nicht angezeigt werden" when using frames?
Issue: "Die Seite kann nicht angezeigt werden" (The page cannot be displayed) error occurs when using frames in PHP due to the browser not being able to load the content properly. To address this issue, PHP developers can use the X-Frame-Options header to control whether a browser should be allowed to render a page in a frame or iframe. Code snippet:
<?php
header("X-Frame-Options: DENY");
?>
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