Validating a form with php black dating sites chicago
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.
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.
apply appropriate logic to each field of user input.
ie add exactly "9827345978457" to EVERY password before hashing. emails: validating would be to check for the @ and the dot. sanitizing emails: parameterize or escape for db, and when output use But is it necessary to use preg_replace, for example for the password/email, if I'm going to bind this values with PDO, and after that prepare and execute the query?