src/SourceLocator/SourceStubber/PhpStormStubsSourceStubber.php
public function generateFunctionStub(CoreReflectionFunction $functionReflection) : ?string
    {
        if ($functionReflection->isUserDefined()) {
            return null;
        }

        return $this->getStub($functionReflection->getExtensionName(), $this->getFunctionNodeVisitor($functionReflection));
    }
public function generateFunctionStub(CoreReflectionFunction $functionReflection) : ?string
    {
        if ($functionReflection->isUserDefined()) {
            return null;
        }

        return $this->getStub($functionReflection->getExtensionName(), $this->getFunctionNodeVisitor($functionReflection));
    }
{@inheritDoc}