std.atof
Available inall subroutines.
Takes a string (which represents a float) as an argument and returns its value.
Behaves as if calling std.strtof with a base
of 10.
Example
if (std.atof(req.http.X-String) > 21.82) { set req.http.X-TheAnswer = "Found";}Try it out
std.atof 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.
Geofence / block access to content by region
Group countries to cache content by custom regions or reject requests from some regions entirely.
Comprehensive logging
Fastly offers a myriad of different variables that you can log. See and test a large collection here.
