Add stubs/documentation for missing GMP functions

[Girgias]

Reference:

• php/php-src@4ea85d4

I wonder if it makes sense to deprecate the GMP random functions as gmp_random() was deprecated during the 7.X release cycle (we should then also deprecate the gmp_random_seed() function)

[Girgias]

Note: need to fix gen stub file name generation to make underscore become -

The issue is the GMP docs...

[nielsdos]

Ok for constructor

[TimWolla]

I wonder if it makes sense to deprecate the GMP random functions as gmp_random() was deprecated during the 7.X release cycle (we should then also deprecate the gmp_random_seed() function)

I don't think there's a “drop-in” replacement functionality for them, though?

[TimWolla]

As that changed: That could use <superscript>. See:

doc-en/reference/random/random/randomizer/nextint.xml

Line 32 in 5b57360

The exact maximum can be calculated as 2<superscript>$engine_bytes * 8 - 1</superscript> - 1.

[Girgias]

I wonder if it makes sense to deprecate the GMP random functions as gmp_random() was deprecated during the 7.X release cycle (we should then also deprecate the gmp_random_seed() function)

I don't think there's a “drop-in” replacement functionality for them, though?

Right, I just find the "bits" variant a bit strange but they do work with arbitrary large integer numbers.