Validating select

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When you have fields like name or email as mandatory in the form, it should be checked in the server side script as well. We have a sample form here with common fields like name, email, a check box group, radio group, drop down list etc.Here is the sample output from that script: Note that the “Filling[]” checkbox group in the HTML form results in an array in the PHP script The rest of the fields appear as simple name-value pairs To validate mandatory fields, we just have to check the presence of the value in the $_POST array.Often, people confuse form validations with form security.Form security (preventing exploits like SQL injection, XSS attacks etc ) are to be handled in addition to form validation.(note that the form method is post in the HTML form).

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The user can disable Javascript on their server or even auto-bots might try to submit your form as well.The server side form validations help keeping the form submission data consistent.

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