When dealing with multiple form elements in PHP, what considerations should be taken into account to ensure proper data handling and submission?

When dealing with multiple form elements in PHP, it is important to properly handle and validate the data to ensure accurate submission. This can be achieved by assigning unique names to each form element, using arrays for related input fields, and validating the data before processing it. Additionally, ensuring that the form submission method is set to POST can help prevent data manipulation. 

<form method="post">
  <input type="text" name="username">
  <input type="email" name="email">
  <input type="password" name="password">
</form>

Keywords

form elements data handling submission PHP functions error types

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