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Updated according to comments

Replaces#7985 , fix#7979?

Yes, this looks great!

Fix phpdoc as suggested by pborreli + add public method setUnknownOptionPolicy($unknownOptionPolicy)

@iamluc you should fix your git username (vieilles instead of iamluc)https://help.github.com/articles/setting-your-username-in-git and fix withgit commit --amend --author "New Author Name <email@address.com>"

@pborreli thanks ! done.

I don't think we should have a mutator for this policy: the code instantiating the resolver should control the behavior it expects for unknown options. External code receiceving it to configure default options should not be able to change the policy IMO

@stof OK, i will revert this.
Do you prefer that I change the method to private or moving the code back in the constructor ?

@iamluc move it back to the constructor IMO

I would prefer if this functionality was configurable in theresolve() method, for example through a parameter$flags:

publicfunction resolve(array$options =array(),$flags =0);

Example usage:

$options =$resolver->resolve($usersOptions, OptionsResolverInterface::REMOVE_UNKNOWN);

@bschussek PR updated. Is now BC because we changed Interface

What is the status of this PR?@webmozart Can you check the latest version of the code?

Replaced by#10574.