"Sanitising" is a vague term and has different meanings depending on context. All it really means, at minimum, is "transforming data, if necessary, to ensure it

"Sanitising" is a vague term and has different meanings depending on context. All it really means, at minimum, is "transforming data, if necessary, to ensure it won't do 'bad stuff'". That might be escaping it, but it could also be stripping certain characters out of it, or just rejecting it altogether.