cs: Enable more risky rules.

src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/ParticipationOverlapValidator.php

@@ -19,6 +19,7 @@ use Doctrine\Common\Collections\Collection;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use function count;
 
 class ParticipationOverlapValidator extends ConstraintValidator
 {

src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/ResourceDuplicateCheckValidator.php

@@ -18,6 +18,7 @@ use Doctrine\Common\Collections\Collection;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
+use function count;
 use function in_array;
 
 class ResourceDuplicateCheckValidator extends ConstraintValidator

src/Bundle/ChillPersonBundle/Validator/Constraints/Household/HouseholdMembershipSequentialValidator.php

@@ -15,6 +15,7 @@ use Chill\PersonBundle\Templating\Entity\PersonRender;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use function count;
 
 /**
  * Validate that a person does not belong to two household at

src/Bundle/ChillPersonBundle/Validator/Constraints/Person/BirthdateValidator.php

@@ -14,6 +14,9 @@ use DateTime;
 use LogicException;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
+use function get_class;
+use function gettype;
+use function is_object;
 
 class BirthdateValidator extends ConstraintValidator
 {