What potential issue arises when placing PHP code directly within HTML tags like <p>?

Placing PHP code directly within HTML tags like <p> can lead to readability issues and make the code harder to maintain. To solve this problem, it is recommended to separate PHP logic from HTML markup by using PHP opening and closing tags <?php and ?> respectively, and then echo the PHP output within the HTML tags. 

&lt;p&gt;&lt;?php echo &quot;Hello, World!&quot;; ?&gt;&lt;/p&gt;

Keywords

PHP HTML tags code injection security vulnerability XSS (Cross-Site Scripting)

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