What is the potential issue with having nested forms in PHP?

Having nested forms in PHP can lead to unexpected behavior as HTML does not support nested forms. To solve this issue, you can structure your HTML code to avoid nesting forms within each other. Instead, you can use JavaScript to dynamically submit form data or restructure your forms to work independently of each other.

<!-- Example of restructuring forms to work independently -->
<form action="process_form1.php" method="post">
  <!-- Form 1 fields here -->
</form>

<form action="process_form2.php" method="post">
  <!-- Form 2 fields here -->
</form>