PhabricatorCacheGeneralGarbageCollector.php
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PhabricatorCacheGeneralGarbageCollector.php
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			<?php

			final class PhabricatorCacheGeneralGarbageCollector
			extends PhabricatorGarbageCollector {

			const COLLECTORCONST = 'cache.general';

			public function getCollectorName() {
			return pht('General Cache');
			}

			public function getDefaultRetentionPolicy() {
			return phutil_units('30 days in seconds');
			}

			public function collectGarbage() {
			$key = 'gcdaemon.ttl.general-cache';
			$ttl = PhabricatorEnv::getEnvConfig($key);
			if ($ttl <= 0) {
			return false;
			}

			$cache = new PhabricatorKeyValueDatabaseCache();
			$conn_w = $cache->establishConnection('w');

			queryfx(
			$conn_w,
			'DELETE FROM %T WHERE cacheCreated < %d
			ORDER BY cacheCreated ASC LIMIT 100',
			$cache->getTableName(),
			time() - $ttl);

			return ($conn_w->getAffectedRows() == 100);
			}

			}