foreach ($classMetadata->getAssociationMappings() as $fieldName => $mapping) {
if ($mapping['type'] === ClassMetadataInfo::MANY_TO_MANY && isset($classMetadata->associationMappings[$fieldName]['joinTable']['name'])) {
foreach ($classMetadata->getAssociationMappings() as $fieldName => $mapping) {
if ($mapping['type'] === ClassMetadataInfo::MANY_TO_MANY && isset($classMetadata->associationMappings[$fieldName]['joinTable']['name'])) {