Remove warnings: Remaining direct deprecation notices

[jl-velasco]

Hi @martin-helmich , I add the patch for the types for the functions and that the list of warnings does not appear.

types-funtions-warnings.txt

Sorry for .txt i cant upload .patch.

Thanks

[valentinboyanov]

@jl-velasco why not open a PR?

[jl-velasco]

remote: Permission to martin-helmich/php-mongomock.git denied to jl-velasco.