What are the potential issues with using non-XHTML-Valid elements like <br> in PHP code for generating lists?

Using non-XHTML-Valid elements like <br> in PHP code for generating lists can lead to invalid markup and potential display issues. To solve this, it is recommended to use proper list elements like <ul> and <li> for creating lists in HTML. 

echo &#039;&lt;ul&gt;&#039;;
foreach ($list_items as $item) {
    echo &#039;&lt;li&gt;&#039; . $item . &#039;&lt;/li&gt;&#039;;
}
echo &#039;&lt;/ul&gt;&#039;;

Keywords

XHTML-Valid <br> PHP code generating lists potential issues

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