Validating email form php

Such code can now do no harm and is safe to be displayed on a page or inside an e-mail. if quotes are escaped with a slash \ let's remove that.

Sure, it may not look nice and tell you someone has been trying to mess with your script, but the important thing is he/she had failed! If you know exactly what kind of data to expect you can make further steps to ensure the user has entered what you want. Instead of writing the same code over and over again we can create a function that will do all the checking for us.

However, in the example above, all input fields are optional.

The script works fine even if the user does not enter any data.

The next step is to make input fields required and create error messages if needed.

Required field will check whether the field is filled or not in the proper way.

Most of cases we will use the * symbol for required field.

Validation means check the input submitted by the user.

validating email form php-6validating email form php-70validating email form php-46

These pages will show how to process PHP forms with security in mind.If you want to know which regex pattern PHP (currently) uses to validate email addresses see the PHP source.If you want to learn more about email addresses I suggest you to start reading the specs, but I have to warn you it is not an easy read by any stretch: P. A note on the regex pattern used above (from the PHP source).But please keep this copyright notice." solutions have false negatives (especially with all of the newer TLDs).Instead, it's better to make sure the address has all of the required parts of an email address (user, "@" symbol, and domain), then verify that the domain itself exists.

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