Validating a form in php
You should be aware of this, and provide alternatives.
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While Validating an HTML form the client side validation is not only enough.
Since our web application allows outsiders to enter data, server-side form validation is also required for additional security.
We are using this function to check if all the text fields are empty or not.
We are using isset() to check the gender radio button is checked or not.
As with the basic security techniques already reviewed, the hope is that as a somewhat-experienced PHP programmer, you already know most of these things.
To be certain, this next example will present a sample registration form (Figure 4.1), taking various types of information, which will then be precisely validated.
We are validating email format by using PHP filter_var() function.
The code is, $value) /* Validation to ensure gender is selected */ if(!
isset($_POST["gender"])) /* Validation to ensure about if the checkbox is checked or not */ if(!Tags: Adult Dating, affair dating, sex dating