PHPStan\Analyser\Scope::getFunction PHP Method

    public function getFunction()
    {
        return $this->function;
    }

 /**
  * @param \PhpParser\Node\Stmt\Return_ $node
  * @param \PHPStan\Analyser\Scope $scope
  * @return string[]
  */
 public function processNode(Node $node, Scope $scope) : array
 {
     if ($scope->getFunction() === null) {
         return [];
     }
     if ($scope->isInAnonymousFunction()) {
         return [];
     }
     $method = $scope->getFunction();
     if (!$method instanceof MethodReflection) {
         return [];
     }
     return $this->returnTypeCheck->checkReturnType($scope, $method->getReturnType(), $node->expr, sprintf('Method %s::%s() should return %%s but empty return statement found.', $method->getDeclaringClass()->getName(), $method->getName()), sprintf('Method %s::%s() with return type void returns %%s but should not return anything.', $method->getDeclaringClass()->getName(), $method->getName()), sprintf('Method %s::%s() should return %%s but returns %%s.', $method->getDeclaringClass()->getName(), $method->getName()));
 }