doctrine / orm

            $lines[] = null;

            $lines[] = $bodyIndentation . '// Lifecycle callbacks';

            foreach ($metadata->lifecycleCallbacks as $event => $callbacks) {

                foreach ($callbacks as $callback) {

                    $lines[] = $objectReference . '->addLifecycleCallback("' . $callback . '", "' . $event . '");';

                }

            }

        }

        return implode(PHP_EOL, $lines);

        }

        if ($metadata->lifecycleCallbacks) {

            foreach ($metadata->lifecycleCallbacks as $event => $callbacks) {

                foreach ($callbacks as $callback) {

                    $lines[] = '$metadata->addLifecycleCallback("' . $callback . '", "' . $event . '");';

                }

            }

        }

        if (! $metadata->isIdentifierComposite()) {