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Sanitization is a bit more liberal of an approach to accepting user data.We can fall back to using these methods when there's a range of acceptable input.You can configure API Gateway to perform basic validation of an API request before proceeding with the integration request.When the validation fails, API Gateway immediately fails the request, returns a 400 error response to the caller, and publishes the validation results in Cloud Watch Logs. More importantly, it lets you focus on the validation efforts specific to your application. This enables you, the API developer, to focus on app-specific deep validation in the backend.
Otherwise, we'll save the properly validated zipcode.The intval() function casts user input as an integer, and defaults to zero if the input was a non-numeric value.We then check to see if the value ended up as zero.For instance, if we had a form field like this: For security on the other end of the spectrum, we have escaping.To escape is to take the data you may already have and help secure it prior to rendering it for the end user.