Available in all subroutines.
Computes the largest integer value less than or equal to the given value.
In other words, round
x towards negative infinity.
For example, 2.2, 2.5, and 2.7 all floor to 2.0.
math.NAN, a NaN will be returned.
x is integral, ±0,
x itself is returned.
Otherwise, the rounded value of
x is returned.
Try it out
math.floor is used in the following code examples. Examples apply VCL to real-world use cases and can be deployed as they are, or adapted for your own service. See the full list of code examples for more inspiration.
Click RUN on a sample below to provision a Fastly service, execute the code on Fastly, and see how the function behaves.
Geofencing / geoblocking content by region
Group countries to cache content by custom regions or reject requests from some regions entirely.