What are the drawbacks of using inline JavaScript within PHP code for interactive elements like expanding menus?

Using inline JavaScript within PHP code can lead to messy and hard-to-maintain code. It mixes presentation logic with business logic, making it difficult to separate concerns. To solve this issue, it's better to separate the JavaScript code into external files and include them in the HTML document using the <script> tag. 

&lt;?php
// PHP code
?&gt;

&lt;!-- HTML code --&gt;
&lt;script src=&quot;script.js&quot;&gt;&lt;/script&gt;

Keywords

inline JavaScript PHP code expanding menus interactivity drawbacks

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