What potential issue can arise when trying to execute PHP code within an HTML file using the join() function?

When trying to execute PHP code within an HTML file using the join() function, the issue that can arise is that the PHP code may not be parsed correctly within the HTML context. To solve this issue, you can enclose the PHP code within the <?php ?> tags to ensure it is recognized and executed properly. 

&lt;?php
$array = array(&quot;Hello&quot;, &quot;World&quot;);
echo join(&quot; &quot;, $array);
?&gt;

Keywords

PHP HTML join() function execution syntax error

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