When do you use sanitization for input data?

When do you use sanitization for input data?

Input sanitization can be used when that nature of the data is known and sanitization would not adversely affect the data in anyway. Your decision to sanitize input data is in part a business decision.

Which is better, validation or output sanitization?

As others said, filtering and encoding the data on the input size will destroy the data, and can delete part of data that would be harmless on some contexts, or keep hazardous data. Validating the input and encoding the output would be the best approach. Not the answer you’re looking for?

When to sanitize client side vs server side?

If you validate on client side, you can generate an error message way faster than waiting all the way to the server, being validated, and sent back. Do it on the server again, because if someone disables client-side validation, you are still covered. Sanitize before storing the data – you don’t want to be hit by a SQL injection.

Do you sanitize data in$ _ get in PHP?

You do not sanitize data in $_GET. This is a common approach in PHP scripts, but it’s completely wrong*. All your variables should stay in plain text form until the point when you embed them in another type of string.

Do you know how to sanitise a variable?

Check our our FAQ’s here >> This discussion is closed. Rep: ? You get these gems as you gain rep from other members for making good contributions and giving helpful advice. I need to sanitise a variable but I have to think about the order in which i call the functions. I’m not really sure on how to do that?

What’s the best way to sanitize an array?

If the type of each of your input variables is a string and you want to sanitize them all at once, you can use: // prevent XSS $_GET = filter_input_array (INPUT_GET, FILTER_SANITIZE_STRING); $_POST = filter_input_array (INPUT_POST, FILTER_SANITIZE_STRING); This will sanitize your $_GET and $_POST arrays. Seen here: PHP -Sanitize values of a array