You are writing a PHP script and you need to make a form field required. How would you do this?
- Set the required attribute in the HTML form field
- Use JavaScript to check if the field is empty before submitting the form
- Check if the field is empty using the empty() function and display an error message if it is
- Implement server-side validation in PHP to check if the field is empty
To make a form field required in PHP, you can set the required attribute in the HTML form field. This attribute ensures that the field must be filled in before the form can be submitted. It is a client-side validation technique that enforces the requirement on the front-end. For further information, visit: w3schools.com/tags/att_input_required.asp
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