![]() The values in the left-hand column are taken from the control’s name attribute, and I’ve also marked whether the field is a required field for validation purposes. When the form is submitted, the following entries will be stored in the $_POST array (or $_GET array depending on the form’s method attribute). The other fields will be empty with an error message next to them. In this state, the fields that the user filled out will contain the value supplied. The form is loaded if the form failed validation.A blank form is loaded when the page is first loaded.Before we do that, be aware that the form can be in one of two states: Now that you’ve defined the form in HTML, let’s work through the code that processes the form. To find out about other common vulnerabilities, check out the OWASP Top 10. ![]()
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