testing

PhabricatorGarbageCollectorManagementWorkflow.php
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			<?php

			abstract class PhabricatorGarbageCollectorManagementWorkflow
			extends PhabricatorManagementWorkflow {

			protected function getCollector($const) {
			$collectors = PhabricatorGarbageCollector::getAllCollectors();

			$collector_list = array_keys($collectors);
			sort($collector_list);
			$collector_list = implode(', ', $collector_list);

			if (!$const) {
			throw new PhutilArgumentUsageException(
			pht(
			'Specify a collector with "%s". Valid collectors are: %s.',
			'--collector',
			$collector_list));
			}

			if (empty($collectors[$const])) {
			throw new PhutilArgumentUsageException(
			pht(
			'No such collector "%s". Choose a valid collector: %s.',
			$const,
			$collector_list));
			}

			return $collectors[$const];
			}

			}