How can frames be controlled in HTML and PHP, and what are the limitations of using frames in PHP files?

Frames can be controlled in HTML and PHP by using the <frameset> tag in HTML to define the layout of frames and then using PHP to dynamically load content into those frames. However, using frames in PHP files can have limitations such as SEO issues, accessibility problems, and difficulties with bookmarking specific pages within the frameset. 

&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;title&gt;Frames Example&lt;/title&gt;
&lt;/head&gt;
&lt;frameset cols=&quot;25%,75%&quot;&gt;
    &lt;frame src=&quot;menu.php&quot; name=&quot;menu&quot;&gt;
    &lt;frame src=&quot;content.php&quot; name=&quot;content&quot;&gt;
&lt;/frameset&gt;
&lt;/html&gt;

Keywords

HTML frames PHP control limitations nested frames cross-origin restrictions

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