foreach ($solidaryVolunteer->getProofs() as $givenProof) {
                // We get the structure proof and we create a proof to persist
                $structureProofId = null;
                if (strrpos($givenProof['id'], '/')) {
                    $structureProofId = substr($givenProof['id'], strrpos($givenProof['id'], '/') + 1);