Requires the Hack Standard Library to be installed.
Facebook Engineer?

This function is available as PseudoRandom\float() in Facebook's www repository.

Returns a pseudorandom float in the range from 0

namespace HH\Lib\PseudoRandom;

function float(): float;

0 to 1.0, inclusive. This is NOT suitable for cryptographic uses.

For secure random floats, see SecureRandom\float.


  • float