Pinq\Parsing\FunctionSignature::fromReflection PHP Метод

    public static function fromReflection(\ReflectionFunctionAbstract $reflection)
    {
        $returnsReference = $reflection->returnsReference();
        $name = $reflection->getShortName();
        $parameterExpressions = self::getParameterExpressionsFromReflection($reflection);
        if ($reflection->isClosure()) {
            return self::closure($returnsReference, $parameterExpressions, array_keys($reflection->getStaticVariables()));
        } elseif ($reflection instanceof \ReflectionMethod) {
            if ($reflection->isPublic()) {
                $accessModifier = self::ACCESS_PUBLIC;
            } elseif ($reflection->isProtected()) {
                $accessModifier = self::ACCESS_PROTECTED;
            } else {
                $accessModifier = self::ACCESS_PRIVATE;
            }
            if ($reflection->isAbstract()) {
                $polymorphModifier = self::POLYMORPH_ABSTRACT;
            } elseif ($reflection->isFinal()) {
                $polymorphModifier = self::POLYMORPH_FINAL;
            } else {
                $polymorphModifier = null;
            }
            return self::method($returnsReference, $accessModifier, $polymorphModifier, $reflection->isStatic(), $name, $parameterExpressions);
        } else {
            return self::func($returnsReference, $name, $parameterExpressions);
        }
    }