From 3f0f3b6ae60ac514b8ac890db996e40e65795b0b Mon Sep 17 00:00:00 2001
From: Philipp Holzer <admin@philipp.info>
Date: Sun, 7 Oct 2018 00:27:54 +0200
Subject: [PATCH 1/4] friendica-5847 Console Cache List command doesn't work
- Added $prefix to all CacheDriver
- Moved hostname magic to CacheDriver
- Added test for getAllKeys()
---
src/Core/Cache.php | 13 ++---
src/Core/Cache/AbstractCacheDriver.php | 49 ++++++++++++++++++-
src/Core/Cache/ArrayCache.php | 4 +-
src/Core/Cache/DatabaseCacheDriver.php | 18 +++++--
src/Core/Cache/ICacheDriver.php | 4 +-
src/Core/Cache/MemcacheCacheDriver.php | 6 ++-
src/Core/Cache/MemcachedCacheDriver.php | 14 +++++-
src/Core/Cache/RedisCacheDriver.php | 12 ++++-
src/Core/Console/Cache.php | 2 +-
tests/src/Core/Cache/ArrayCacheDriverTest.php | 5 --
tests/src/Core/Cache/CacheTest.php | 32 ++++++++++++
.../Core/Cache/DatabaseCacheDriverTest.php | 5 --
.../Core/Cache/MemcacheCacheDriverTest.php | 5 --
.../Core/Cache/MemcachedCacheDriverTest.php | 5 --
tests/src/Core/Cache/RedisCacheDriverTest.php | 5 --
15 files changed, 131 insertions(+), 48 deletions(-)
diff --git a/src/Core/Cache.php b/src/Core/Cache.php
index ea7807031f..7b9f6edd2c 100644
--- a/src/Core/Cache.php
+++ b/src/Core/Cache.php
@@ -51,20 +51,15 @@ class Cache extends \Friendica\BaseObject
/**
* @brief Returns all the cache keys sorted alphabetically
*
+ * @param string $prefix Prefix of the keys (optional)
+ *
* @return array|null Null if the driver doesn't support this feature
*/
- public static function getAllKeys()
+ public static function getAllKeys($prefix = null)
{
$time = microtime(true);
- $return = self::getDriver()->getAllKeys();
-
- // Keys are prefixed with the node hostname, let's remove it
- array_walk($return, function (&$value) {
- $value = preg_replace('/^' . self::getApp()->get_hostname() . ':/', '', $value);
- });
-
- sort($return);
+ $return = self::getDriver()->getAllKeys($prefix);
self::getApp()->save_timestamp($time, 'cache');
diff --git a/src/Core/Cache/AbstractCacheDriver.php b/src/Core/Cache/AbstractCacheDriver.php
index 15b822dc3b..e694b9c314 100644
--- a/src/Core/Cache/AbstractCacheDriver.php
+++ b/src/Core/Cache/AbstractCacheDriver.php
@@ -17,8 +17,55 @@ abstract class AbstractCacheDriver extends BaseObject
* @param string $key The original key
* @return string The cache key used for the cache
*/
- protected function getCacheKey($key) {
+ protected function getCacheKey($key)
+ {
// We fetch with the hostname as key to avoid problems with other applications
return self::getApp()->get_hostname() . ":" . $key;
}
+
+ /**
+ * @param array $keys A list of cached keys
+ * @return array A list of original keys
+ */
+ protected function getOriginalKeys($keys)
+ {
+ if (empty($keys)) {
+ return [];
+ } else {
+ // Keys are prefixed with the node hostname, let's remove it
+ array_walk($keys, function (&$value) {
+ $value = preg_replace('/^' . self::getApp()->get_hostname() . ':/', '', $value);
+ });
+
+ sort($keys);
+
+ return $keys;
+ }
+ }
+
+ /**
+ * Filters a list for a given prefix
+ *
+ * @param array $list the list
+ * @param string|null $prefix the prefix
+ *
+ * @return array the filtered list
+ */
+ protected function filterPrefix($list, $prefix = null)
+ {
+ if (empty($prefix)) {
+ return array_keys($list);
+ } else {
+ $result = [];
+
+ foreach (array_keys($list) as $key) {
+ if (strpos($key, $prefix) === 0) {
+ array_push($result, $key);
+ }
+ }
+
+ return $result;
+ }
+
+ }
}
diff --git a/src/Core/Cache/ArrayCache.php b/src/Core/Cache/ArrayCache.php
index 47c9c16680..0d314fadb7 100644
--- a/src/Core/Cache/ArrayCache.php
+++ b/src/Core/Cache/ArrayCache.php
@@ -22,9 +22,9 @@ class ArrayCache extends AbstractCacheDriver implements IMemoryCacheDriver
/**
* (@inheritdoc)
*/
- public function getAllKeys()
+ public function getAllKeys($prefix = null)
{
- return array_keys($this->cachedData);
+ return $this->filterPrefix($this->cachedData, $prefix);
}
/**
diff --git a/src/Core/Cache/DatabaseCacheDriver.php b/src/Core/Cache/DatabaseCacheDriver.php
index 74dfe3991e..9966457467 100644
--- a/src/Core/Cache/DatabaseCacheDriver.php
+++ b/src/Core/Cache/DatabaseCacheDriver.php
@@ -16,11 +16,23 @@ class DatabaseCacheDriver extends AbstractCacheDriver implements ICacheDriver
/**
* (@inheritdoc)
*/
- public function getAllKeys()
+ public function getAllKeys($prefix = null)
{
- $stmt = DBA::select('cache', ['k'], ['`expires` >= ?', DateTimeFormat::utcNow()]);
+ if (empty($prefix)) {
+ $where = ['`expires` >= ?', DateTimeFormat::utcNow()];
+ } else {
+ $where = ['`expires` >= ? AND k LIKE CONCAT(?, \'%\')', DateTimeFormat::utcNow(), $prefix];
+ }
- return DBA::toArray($stmt);
+ $stmt = DBA::select('cache', ['k'], $where);
+
+ $list = [];
+ while ($key = DBA::fetch($stmt)) {
+ array_push($list, $key['k']);
+ }
+ DBA::close($stmt);
+
+ return $list;
}
/**
diff --git a/src/Core/Cache/ICacheDriver.php b/src/Core/Cache/ICacheDriver.php
index b77aa03c16..0a206559cc 100644
--- a/src/Core/Cache/ICacheDriver.php
+++ b/src/Core/Cache/ICacheDriver.php
@@ -14,9 +14,11 @@ interface ICacheDriver
/**
* Lists all cache keys
*
+ * @param string prefix optional a prefix to search
+ *
* @return array|null Null if it isn't supported by the cache driver
*/
- public function getAllKeys();
+ public function getAllKeys($prefix = null);
/**
* Fetches cached data according to the key
diff --git a/src/Core/Cache/MemcacheCacheDriver.php b/src/Core/Cache/MemcacheCacheDriver.php
index 207225b1a2..f31e21d14e 100644
--- a/src/Core/Cache/MemcacheCacheDriver.php
+++ b/src/Core/Cache/MemcacheCacheDriver.php
@@ -43,7 +43,7 @@ class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDri
/**
* (@inheritdoc)
*/
- public function getAllKeys()
+ public function getAllKeys($prefix = null)
{
$list = [];
$allSlabs = $this->memcache->getExtendedStats('slabs');
@@ -59,7 +59,9 @@ class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDri
}
}
- return $list;
+ $list = $this->getOriginalKeys($list);
+
+ return $this->filterPrefix($list, $prefix);
}
/**
diff --git a/src/Core/Cache/MemcachedCacheDriver.php b/src/Core/Cache/MemcachedCacheDriver.php
index c1d08f3321..82df98f13b 100644
--- a/src/Core/Cache/MemcachedCacheDriver.php
+++ b/src/Core/Cache/MemcachedCacheDriver.php
@@ -5,6 +5,7 @@ namespace Friendica\Core\Cache;
use Friendica\Core\Cache;
use Exception;
+use Friendica\Network\HTTPException\InternalServerErrorException;
use Memcached;
/**
@@ -40,6 +41,9 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
$this->memcached = new Memcached();
+
+ $this->memcached->setOption(Memcached::OPT_BINARY_PROTOCOL, false);
+
array_walk($memcached_hosts, function (&$value) {
if (is_string($value)) {
$value = array_map('trim', explode(',', $value));
@@ -56,9 +60,15 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
/**
* (@inheritdoc)
*/
- public function getAllKeys()
+ public function getAllKeys($prefix = null)
{
- return $this->memcached->getAllKeys();
+ // Doesn't work because of https://github.com/php-memcached-dev/php-memcached/issues/367
+ // returns everytime an empty array
+ throw new InternalServerErrorException('getAllKeys for Memcached not supported yet');
+
+ $list = $this->getOriginalKeys($this->memcached->getAllKeys());
+
+ return $this->filterPrefix($list, $prefix);
}
/**
diff --git a/src/Core/Cache/RedisCacheDriver.php b/src/Core/Cache/RedisCacheDriver.php
index f9d00fde21..fcbfab548a 100644
--- a/src/Core/Cache/RedisCacheDriver.php
+++ b/src/Core/Cache/RedisCacheDriver.php
@@ -41,9 +41,17 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
/**
* (@inheritdoc)
*/
- public function getAllKeys()
+ public function getAllKeys($prefix = null)
{
- return null;
+ if (empty($prefix)) {
+ $search = '*';
+ } else {
+ $search = $prefix . '*';
+ }
+
+ $list = $this->redis->keys($this->getCacheKey($search));
+
+ return $this->getOriginalKeys($list);
}
/**
diff --git a/src/Core/Console/Cache.php b/src/Core/Console/Cache.php
index 2d3508894a..0dfef43f35 100644
--- a/src/Core/Console/Cache.php
+++ b/src/Core/Console/Cache.php
@@ -105,7 +105,7 @@ HELP;
private function executeList()
{
$prefix = $this->getArgument(1);
- $keys = Core\Cache::getAllKeys();
+ $keys = Core\Cache::getAllKeys($prefix);
if (empty($prefix)) {
$this->out('Listing all cache keys:');
diff --git a/tests/src/Core/Cache/ArrayCacheDriverTest.php b/tests/src/Core/Cache/ArrayCacheDriverTest.php
index 0cad6e9c7f..6863d149ff 100644
--- a/tests/src/Core/Cache/ArrayCacheDriverTest.php
+++ b/tests/src/Core/Cache/ArrayCacheDriverTest.php
@@ -7,11 +7,6 @@ use Friendica\Core\Cache\ArrayCache;
class ArrayCacheDriverTest extends MemoryCacheTest
{
- /**
- * @var \Friendica\Core\Cache\IMemoryCacheDriver
- */
- private $cache;
-
protected function getInstance()
{
$this->cache = new ArrayCache();
diff --git a/tests/src/Core/Cache/CacheTest.php b/tests/src/Core/Cache/CacheTest.php
index 5c56c2072f..86bf5e7f01 100644
--- a/tests/src/Core/Cache/CacheTest.php
+++ b/tests/src/Core/Cache/CacheTest.php
@@ -2,6 +2,7 @@
namespace Friendica\Test\src\Core\Cache;
+use Friendica\Core\Cache\MemcachedCacheDriver;
use Friendica\Core\Config;
use Friendica\Test\DatabaseTest;
use Friendica\Util\DateTimeFormat;
@@ -13,6 +14,12 @@ abstract class CacheTest extends DatabaseTest
*/
protected $instance;
+ /**
+ * @var \Friendica\Core\Cache\IMemoryCacheDriver
+ */
+ protected $cache;
+
+
abstract protected function getInstance();
protected function setUp()
@@ -29,6 +36,8 @@ abstract class CacheTest extends DatabaseTest
Config::set('system', 'throttle_limit_week', 100);
Config::set('system', 'throttle_limit_month', 100);
Config::set('system', 'theme', 'system_theme');
+
+ $this->instance->clear(false);
}
/**
@@ -177,4 +186,27 @@ abstract class CacheTest extends DatabaseTest
$received = $this->instance->get('objVal');
$this->assertEquals($value, $received, 'Value type changed from ' . gettype($value) . ' to ' . gettype($received));
}
+
+ /**
+ * @small
+ */
+ public function testGetAllKeys() {
+ if ($this->cache instanceof MemcachedCacheDriver) {
+ $this->markTestSkipped('Memcached doesn\'t support getAllKeys anymore');
+ }
+
+ $this->assertTrue($this->instance->set('value1', 'test'));
+ $this->assertTrue($this->instance->set('value2', 'test'));
+ $this->assertTrue($this->instance->set('test_value3', 'test'));
+
+ $list = $this->instance->getAllKeys();
+
+ $this->assertContains('value1', $list);
+ $this->assertContains('value2', $list);
+ $this->assertContains('test_value3', $list);
+
+ $list = $this->instance->getAllKeys('test');
+
+ $this->assertContains('test_value3', $list);
+ }
}
diff --git a/tests/src/Core/Cache/DatabaseCacheDriverTest.php b/tests/src/Core/Cache/DatabaseCacheDriverTest.php
index 5df00fc913..3cc4a72ed1 100644
--- a/tests/src/Core/Cache/DatabaseCacheDriverTest.php
+++ b/tests/src/Core/Cache/DatabaseCacheDriverTest.php
@@ -6,11 +6,6 @@ use Friendica\Core\Cache\CacheDriverFactory;
class DatabaseCacheDriverTest extends CacheTest
{
- /**
- * @var \Friendica\Core\Cache\IMemoryCacheDriver
- */
- private $cache;
-
protected function getInstance()
{
$this->cache = CacheDriverFactory::create('database');
diff --git a/tests/src/Core/Cache/MemcacheCacheDriverTest.php b/tests/src/Core/Cache/MemcacheCacheDriverTest.php
index 62f7440033..db85723af1 100644
--- a/tests/src/Core/Cache/MemcacheCacheDriverTest.php
+++ b/tests/src/Core/Cache/MemcacheCacheDriverTest.php
@@ -11,11 +11,6 @@ use Friendica\Core\Cache\CacheDriverFactory;
*/
class MemcacheCacheDriverTest extends MemoryCacheTest
{
- /**
- * @var \Friendica\Core\Cache\IMemoryCacheDriver
- */
- private $cache;
-
protected function getInstance()
{
$this->cache = CacheDriverFactory::create('memcache');
diff --git a/tests/src/Core/Cache/MemcachedCacheDriverTest.php b/tests/src/Core/Cache/MemcachedCacheDriverTest.php
index 5a07814a38..fba5c4a958 100644
--- a/tests/src/Core/Cache/MemcachedCacheDriverTest.php
+++ b/tests/src/Core/Cache/MemcachedCacheDriverTest.php
@@ -11,11 +11,6 @@ use Friendica\Core\Cache\CacheDriverFactory;
*/
class MemcachedCacheDriverTest extends MemoryCacheTest
{
- /**
- * @var \Friendica\Core\Cache\IMemoryCacheDriver
- */
- private $cache;
-
protected function getInstance()
{
$this->cache = CacheDriverFactory::create('memcached');
diff --git a/tests/src/Core/Cache/RedisCacheDriverTest.php b/tests/src/Core/Cache/RedisCacheDriverTest.php
index 460c1184ba..0ee73945b9 100644
--- a/tests/src/Core/Cache/RedisCacheDriverTest.php
+++ b/tests/src/Core/Cache/RedisCacheDriverTest.php
@@ -11,11 +11,6 @@ use Friendica\Core\Cache\CacheDriverFactory;
*/
class RedisCacheDriverTest extends MemoryCacheTest
{
- /**
- * @var \Friendica\Core\Cache\IMemoryCacheDriver
- */
- private $cache;
-
protected function getInstance()
{
$this->cache = CacheDriverFactory::create('redis');
From 1ec5c6b2840cedbe21e089f4ef4404d22a65031e Mon Sep 17 00:00:00 2001
From: Philipp Holzer <admin@philipp.info>
Date: Sun, 7 Oct 2018 10:35:37 +0200
Subject: [PATCH 2/4] friendica-5847 Console Cache List command doesn't work
- filterPrefix => filterArrayKeysByPrefix()
- Logging failed Executions of getAllKeys and get from Memcached
---
src/Core/Cache/AbstractCacheDriver.php | 15 ++++++++-------
src/Core/Cache/ArrayCache.php | 2 +-
src/Core/Cache/MemcacheCacheDriver.php | 10 +++++-----
src/Core/Cache/MemcachedCacheDriver.php | 22 +++++++++++-----------
src/Core/Console/Cache.php | 5 +----
5 files changed, 26 insertions(+), 28 deletions(-)
diff --git a/src/Core/Cache/AbstractCacheDriver.php b/src/Core/Cache/AbstractCacheDriver.php
index e694b9c314..1cdecf6ceb 100644
--- a/src/Core/Cache/AbstractCacheDriver.php
+++ b/src/Core/Cache/AbstractCacheDriver.php
@@ -44,21 +44,22 @@ abstract class AbstractCacheDriver extends BaseObject
}
/**
- * Filters a list for a given prefix
+ * Filters the keys of an array with a given prefix
+ * Returns the filtered keys as an new array
*
- * @param array $list the list
- * @param string|null $prefix the prefix
+ * @param array $array The array, which should get filtered
+ * @param string|null $prefix The prefix (if null, all keys will get returned)
*
- * @return array the filtered list
+ * @return array The filtered array with just the keys
*/
- protected function filterPrefix($list, $prefix = null)
+ protected function filterArrayKeysByPrefix($array, $prefix = null)
{
if (empty($prefix)) {
- return array_keys($list);
+ return array_keys($array);
} else {
$result = [];
- foreach (array_keys($list) as $key) {
+ foreach (array_keys($array) as $key) {
if (strpos($key, $prefix) === 0) {
array_push($result, $key);
}
diff --git a/src/Core/Cache/ArrayCache.php b/src/Core/Cache/ArrayCache.php
index 0d314fadb7..a99b05788f 100644
--- a/src/Core/Cache/ArrayCache.php
+++ b/src/Core/Cache/ArrayCache.php
@@ -24,7 +24,7 @@ class ArrayCache extends AbstractCacheDriver implements IMemoryCacheDriver
*/
public function getAllKeys($prefix = null)
{
- return $this->filterPrefix($this->cachedData, $prefix);
+ return $this->filterArrayKeysByPrefix($this->cachedData, $prefix);
}
/**
diff --git a/src/Core/Cache/MemcacheCacheDriver.php b/src/Core/Cache/MemcacheCacheDriver.php
index f31e21d14e..fd928c6fcc 100644
--- a/src/Core/Cache/MemcacheCacheDriver.php
+++ b/src/Core/Cache/MemcacheCacheDriver.php
@@ -45,23 +45,23 @@ class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDri
*/
public function getAllKeys($prefix = null)
{
- $list = [];
+ $keys = [];
$allSlabs = $this->memcache->getExtendedStats('slabs');
foreach ($allSlabs as $slabs) {
foreach (array_keys($slabs) as $slabId) {
$cachedump = $this->memcache->getExtendedStats('cachedump', (int)$slabId);
- foreach ($cachedump as $keys => $arrVal) {
+ foreach ($cachedump as $key => $arrVal) {
if (!is_array($arrVal)) {
continue;
}
- $list = array_merge($list, array_keys($arrVal));
+ $keys = array_merge($keys, array_keys($arrVal));
}
}
}
- $list = $this->getOriginalKeys($list);
+ $keys = $this->getOriginalKeys($keys);
- return $this->filterPrefix($list, $prefix);
+ return $this->filterArrayKeysByPrefix($keys, $prefix);
}
/**
diff --git a/src/Core/Cache/MemcachedCacheDriver.php b/src/Core/Cache/MemcachedCacheDriver.php
index 82df98f13b..a6e1bad950 100644
--- a/src/Core/Cache/MemcachedCacheDriver.php
+++ b/src/Core/Cache/MemcachedCacheDriver.php
@@ -62,13 +62,14 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
*/
public function getAllKeys($prefix = null)
{
- // Doesn't work because of https://github.com/php-memcached-dev/php-memcached/issues/367
- // returns everytime an empty array
- throw new InternalServerErrorException('getAllKeys for Memcached not supported yet');
+ $keys = $this->getOriginalKeys($this->memcached->getAllKeys());
- $list = $this->getOriginalKeys($this->memcached->getAllKeys());
-
- return $this->filterPrefix($list, $prefix);
+ if ($this->memcached->getResultCode() == Memcached::RES_SUCCESS) {
+ return $this->filterArrayKeysByPrefix($keys, $prefix);
+ } else {
+ logger('Memcached \'getAllKeys\' failed with ' . $this->memcached->getResultMessage(), LOGGER_ALL);
+ return [];
+ }
}
/**
@@ -76,17 +77,17 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
*/
public function get($key)
{
- $return = null;
$cachekey = $this->getCacheKey($key);
// We fetch with the hostname as key to avoid problems with other applications
$value = $this->memcached->get($cachekey);
if ($this->memcached->getResultCode() === Memcached::RES_SUCCESS) {
- $return = $value;
+ return $value;
+ } else {
+ logger('Memcached \'get\' failed with ' . $this->memcached->getResultMessage(), LOGGER_ALL);
+ return [];
}
-
- return $return;
}
/**
@@ -109,7 +110,6 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
$value
);
}
-
}
/**
diff --git a/src/Core/Console/Cache.php b/src/Core/Console/Cache.php
index 0dfef43f35..459a27e20b 100644
--- a/src/Core/Console/Cache.php
+++ b/src/Core/Console/Cache.php
@@ -115,10 +115,7 @@ HELP;
$count = 0;
foreach ($keys as $key) {
- if (empty($prefix) || strpos($key, $prefix) === 0) {
- $this->out($key);
- $count++;
- }
+ $this->out($key);
}
$this->out($count . ' keys found');
From 8491f8660f3afa67bd02f5702fb10bb35c25db21 Mon Sep 17 00:00:00 2001
From: Philipp Holzer <admin@philipp.info>
Date: Sun, 7 Oct 2018 10:38:45 +0200
Subject: [PATCH 3/4] Bugfixing Memcached
---
src/Core/Cache/MemcachedCacheDriver.php | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/src/Core/Cache/MemcachedCacheDriver.php b/src/Core/Cache/MemcachedCacheDriver.php
index a6e1bad950..62c3892860 100644
--- a/src/Core/Cache/MemcachedCacheDriver.php
+++ b/src/Core/Cache/MemcachedCacheDriver.php
@@ -41,9 +41,6 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
$this->memcached = new Memcached();
-
- $this->memcached->setOption(Memcached::OPT_BINARY_PROTOCOL, false);
-
array_walk($memcached_hosts, function (&$value) {
if (is_string($value)) {
$value = array_map('trim', explode(',', $value));
@@ -68,7 +65,7 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
return $this->filterArrayKeysByPrefix($keys, $prefix);
} else {
logger('Memcached \'getAllKeys\' failed with ' . $this->memcached->getResultMessage(), LOGGER_ALL);
- return [];
+ return null;
}
}
@@ -77,17 +74,19 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
*/
public function get($key)
{
+ $return = null;
$cachekey = $this->getCacheKey($key);
// We fetch with the hostname as key to avoid problems with other applications
$value = $this->memcached->get($cachekey);
if ($this->memcached->getResultCode() === Memcached::RES_SUCCESS) {
- return $value;
+ $return = $value;
} else {
logger('Memcached \'get\' failed with ' . $this->memcached->getResultMessage(), LOGGER_ALL);
- return [];
}
+
+ return $return;
}
/**
From 7da6da6666973efce1553237846aca06d497866d Mon Sep 17 00:00:00 2001
From: Philipp Holzer <admin@philipp.info>
Date: Sun, 7 Oct 2018 22:14:05 +0200
Subject: [PATCH 4/4] Bugfixings for getAllKeys()
---
src/Core/Cache.php | 2 +-
src/Core/Cache/DatabaseCacheDriver.php | 8 ++++----
src/Core/Cache/ICacheDriver.php | 2 +-
src/Core/Cache/MemcachedCacheDriver.php | 2 +-
src/Core/Console/Cache.php | 1 +
5 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/src/Core/Cache.php b/src/Core/Cache.php
index 7b9f6edd2c..b239af7d60 100644
--- a/src/Core/Cache.php
+++ b/src/Core/Cache.php
@@ -53,7 +53,7 @@ class Cache extends \Friendica\BaseObject
*
* @param string $prefix Prefix of the keys (optional)
*
- * @return array|null Null if the driver doesn't support this feature
+ * @return array Empty if the driver doesn't support this feature
*/
public static function getAllKeys($prefix = null)
{
diff --git a/src/Core/Cache/DatabaseCacheDriver.php b/src/Core/Cache/DatabaseCacheDriver.php
index 9966457467..d90c6e4f18 100644
--- a/src/Core/Cache/DatabaseCacheDriver.php
+++ b/src/Core/Cache/DatabaseCacheDriver.php
@@ -21,18 +21,18 @@ class DatabaseCacheDriver extends AbstractCacheDriver implements ICacheDriver
if (empty($prefix)) {
$where = ['`expires` >= ?', DateTimeFormat::utcNow()];
} else {
- $where = ['`expires` >= ? AND k LIKE CONCAT(?, \'%\')', DateTimeFormat::utcNow(), $prefix];
+ $where = ['`expires` >= ? AND `k` LIKE CONCAT(?, \'%\')', DateTimeFormat::utcNow(), $prefix];
}
$stmt = DBA::select('cache', ['k'], $where);
- $list = [];
+ $keys = [];
while ($key = DBA::fetch($stmt)) {
- array_push($list, $key['k']);
+ array_push($keys, $key['k']);
}
DBA::close($stmt);
- return $list;
+ return $keys;
}
/**
diff --git a/src/Core/Cache/ICacheDriver.php b/src/Core/Cache/ICacheDriver.php
index 0a206559cc..2c04c59925 100644
--- a/src/Core/Cache/ICacheDriver.php
+++ b/src/Core/Cache/ICacheDriver.php
@@ -16,7 +16,7 @@ interface ICacheDriver
*
* @param string prefix optional a prefix to search
*
- * @return array|null Null if it isn't supported by the cache driver
+ * @return array Empty if it isn't supported by the cache driver
*/
public function getAllKeys($prefix = null);
diff --git a/src/Core/Cache/MemcachedCacheDriver.php b/src/Core/Cache/MemcachedCacheDriver.php
index 62c3892860..1a6b2a9aef 100644
--- a/src/Core/Cache/MemcachedCacheDriver.php
+++ b/src/Core/Cache/MemcachedCacheDriver.php
@@ -65,7 +65,7 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
return $this->filterArrayKeysByPrefix($keys, $prefix);
} else {
logger('Memcached \'getAllKeys\' failed with ' . $this->memcached->getResultMessage(), LOGGER_ALL);
- return null;
+ return [];
}
}
diff --git a/src/Core/Console/Cache.php b/src/Core/Console/Cache.php
index 459a27e20b..1d93c3c011 100644
--- a/src/Core/Console/Cache.php
+++ b/src/Core/Console/Cache.php
@@ -116,6 +116,7 @@ HELP;
$count = 0;
foreach ($keys as $key) {
$this->out($key);
+ $count++;
}
$this->out($count . ' keys found');