CallableNameFilter.php000060400000006452147200215500010722 0ustar00callable = $callable; } /** * Method to create cache filename with. * * The returning name MUST follow the rules for keys in PSR-16. * * @link https://www.php-fig.org/psr/psr-16/ * * The returning name MUST be a string of at least one character * that uniquely identifies a cached item, MUST only contain the * characters A-Z, a-z, 0-9, _, and . in any order in UTF-8 encoding * and MUST not longer then 64 characters. The following characters * are reserved for future extensions and MUST NOT be used: {}()/\@: * * A provided implementing library MAY support additional characters * and encodings or longer lengths, but MUST support at least that * minimum. * * @param string $name The name for the cache will be most likly an url with query string * * @return string the new cache name */ public function filter(string $name): string { return call_user_func($this->callable, $name); } } BaseDataCache.php000060400000012613147200215500007640 0ustar00cache = $cache; } /** * Fetches a value from the cache. * * Equivalent to \Psr\SimpleCache\CacheInterface::get() * * public function get(string $key, mixed $default = null): mixed; * * * @param string $key The unique key of this item in the cache. * @param mixed $default Default value to return if the key does not exist. * * @return array|mixed The value of the item from the cache, or $default in case of cache miss. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function get_data(string $key, $default = null) { $data = $this->cache->load(); if (!is_array($data)) { return $default; } // ignore data if internal cache expiration time is not set if (!array_key_exists('__cache_expiration_time', $data)) { return $default; } // ignore data if internal cache expiration time is expired if ($data['__cache_expiration_time'] < time()) { return $default; } // remove internal cache expiration time unset($data['__cache_expiration_time']); return $data; } /** * Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time. * * Equivalent to \Psr\SimpleCache\CacheInterface::set() * * public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool; * * * @param string $key The key of the item to store. * @param array $value The value of the item to store, must be serializable. * @param null|int $ttl Optional. The TTL value of this item. If no value is sent and * the driver supports TTL then the library may set a default value * for it or let the driver take care of that. * * @return bool True on success and false on failure. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function set_data(string $key, array $value, ?int $ttl = null): bool { if ($ttl === null) { $ttl = 3600; } // place internal cache expiration time $value['__cache_expiration_time'] = time() + $ttl; return $this->cache->save($value); } /** * Delete an item from the cache by its unique key. * * Equivalent to \Psr\SimpleCache\CacheInterface::delete() * * public function delete(string $key): bool; * * * @param string $key The unique cache key of the item to delete. * * @return bool True if the item was successfully removed. False if there was an error. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function delete_data(string $key): bool { return $this->cache->unlink(); } } NameFilter.php000060400000006044147200215500007277 0ustar00options = array( 'host' => '127.0.0.1', 'port' => 11211, 'extras' => array( 'timeout' => 3600, // one hour 'prefix' => 'simplepie_', ), ); $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location)); $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); $this->cache = new Memcached(); $this->cache->addServer($this->options['host'], (int)$this->options['port']); } /** * Save data to the cache * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if ($data instanceof SimplePie) { $data = $data->data; } return $this->setData(serialize($data)); } /** * Retrieve the data saved to the cache * @return array Data for SimplePie::$data */ public function load() { $data = $this->cache->get($this->name); if ($data !== false) { return unserialize($data); } return false; } /** * Retrieve the last modified time for the cache * @return int Timestamp */ public function mtime() { $data = $this->cache->get($this->name . '_mtime'); return (int) $data; } /** * Set the last modified time to the current time * @return bool Success status */ public function touch() { $data = $this->cache->get($this->name); return $this->setData($data); } /** * Remove the cache * @return bool Success status */ public function unlink() { return $this->cache->delete($this->name, 0); } /** * Set the last modified time and data to Memcached * @return bool Success status */ private function setData($data) { if ($data !== false) { $this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']); return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']); } return false; } } MySQL.php000064400000031050147200215500006215 0ustar00options = array( 'user' => null, 'pass' => null, 'host' => '127.0.0.1', 'port' => '3306', 'path' => '', 'extras' => array( 'prefix' => '', 'cache_purge_time' => 2592000 ), ); $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location)); // Path is prefixed with a "/" $this->options['dbname'] = substr($this->options['path'], 1); try { $this->mysql = new PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8')); } catch (PDOException $e) { $this->mysql = null; return; } $this->id = $name . $type; if (!$query = $this->mysql->query('SHOW TABLES')) { $this->mysql = null; return; } $db = array(); while ($row = $query->fetchColumn()) { $db[] = $row; } if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db)) { $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))'); if ($query === false) { trigger_error("Can't create " . $this->options['extras']['prefix'] . "cache_data table, check permissions", E_USER_WARNING); $this->mysql = null; return; } } if (!in_array($this->options['extras']['prefix'] . 'items', $db)) { $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))'); if ($query === false) { trigger_error("Can't create " . $this->options['extras']['prefix'] . "items table, check permissions", E_USER_WARNING); $this->mysql = null; return; } } } /** * Save data to the cache * * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('DELETE i, cd FROM `' . $this->options['extras']['prefix'] . 'cache_data` cd, ' . '`' . $this->options['extras']['prefix'] . 'items` i ' . 'WHERE cd.id = i.feed_id ' . 'AND cd.mtime < (unix_timestamp() - :purge_time)'); $query->bindValue(':purge_time', $this->options['extras']['cache_purge_time']); if (!$query->execute()) { return false; } if ($data instanceof SimplePie) { $data = clone $data; $prepared = self::prepare_simplepie_object_for_cache($data); $query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed'); $query->bindValue(':feed', $this->id); if ($query->execute()) { if ($query->fetchColumn() > 0) { $items = count($prepared[1]); if ($items) { $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed'; $query = $this->mysql->prepare($sql); $query->bindValue(':items', $items); } else { $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed'; $query = $this->mysql->prepare($sql); } $query->bindValue(':data', $prepared[0]); $query->bindValue(':time', time()); $query->bindValue(':feed', $this->id); if (!$query->execute()) { return false; } } else { $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)'); $query->bindValue(':feed', $this->id); $query->bindValue(':count', count($prepared[1])); $query->bindValue(':data', $prepared[0]); $query->bindValue(':time', time()); if (!$query->execute()) { return false; } } $ids = array_keys($prepared[1]); if (!empty($ids)) { foreach ($ids as $id) { $database_ids[] = $this->mysql->quote($id); } $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed'); $query->bindValue(':feed', $this->id); if ($query->execute()) { $existing_ids = array(); while ($row = $query->fetchColumn()) { $existing_ids[] = $row; } $new_ids = array_diff($ids, $existing_ids); foreach ($new_ids as $new_id) { if (!($date = $prepared[1][$new_id]->get_date('U'))) { $date = time(); } $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)'); $query->bindValue(':feed', $this->id); $query->bindValue(':id', $new_id); $query->bindValue(':data', serialize($prepared[1][$new_id]->data)); $query->bindValue(':date', $date); if (!$query->execute()) { return false; } } return true; } } else { return true; } } } else { $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed'); $query->bindValue(':feed', $this->id); if ($query->execute()) { if ($query->rowCount() > 0) { $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed'); $query->bindValue(':data', serialize($data)); $query->bindValue(':time', time()); $query->bindValue(':feed', $this->id); if ($this->execute()) { return true; } } else { $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)'); $query->bindValue(':id', $this->id); $query->bindValue(':data', serialize($data)); $query->bindValue(':time', time()); if ($query->execute()) { return true; } } } } return false; } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); $query->bindValue(':id', $this->id); if ($query->execute() && ($row = $query->fetch())) { $data = unserialize($row[1]); if (isset($this->options['items'][0])) { $items = (int) $this->options['items'][0]; } else { $items = (int) $row[0]; } if ($items !== 0) { if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0])) { $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]; } elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0])) { $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]; } elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0])) { $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]; } elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0])) { $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]; } else { $feed = null; } if ($feed !== null) { $sql = 'SELECT `data` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC'; if ($items > 0) { $sql .= ' LIMIT ' . $items; } $query = $this->mysql->prepare($sql); $query->bindValue(':feed', $this->id); if ($query->execute()) { while ($row = $query->fetchColumn()) { $feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row); } } else { return false; } } } return $data; } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); $query->bindValue(':id', $this->id); if ($query->execute() && ($time = $query->fetchColumn())) { return $time; } return false; } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id'); $query->bindValue(':time', time()); $query->bindValue(':id', $this->id); return $query->execute() && $query->rowCount() > 0; } /** * Remove the cache * * @return bool Success status */ public function unlink() { if ($this->mysql === null) { return false; } $query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); $query->bindValue(':id', $this->id); $query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id'); $query2->bindValue(':id', $this->id); return $query->execute() && $query2->execute(); } } Memcache.php000064400000011463147200215500006760 0ustar00options = array( 'host' => '127.0.0.1', 'port' => 11211, 'extras' => array( 'timeout' => 3600, // one hour 'prefix' => 'simplepie_', ), ); $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location)); $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); $this->cache = new Memcache(); $this->cache->addServer($this->options['host'], (int) $this->options['port']); } /** * Save data to the cache * * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if ($data instanceof SimplePie) { $data = $data->data; } return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']); } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { $data = $this->cache->get($this->name); if ($data !== false) { return unserialize($data); } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { $data = $this->cache->get($this->name); if ($data !== false) { // essentially ignore the mtime because Memcache expires on its own return time(); } return false; } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { $data = $this->cache->get($this->name); if ($data !== false) { return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']); } return false; } /** * Remove the cache * * @return bool Success status */ public function unlink() { return $this->cache->delete($this->name, 0); } } DataCache.php000060400000011167147200215500007050 0ustar00 * public function get(string $key, mixed $default = null): mixed; * * * @param string $key The unique key of this item in the cache. * @param mixed $default Default value to return if the key does not exist. * * @return array|mixed The value of the item from the cache, or $default in case of cache miss. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function get_data(string $key, $default = null); /** * Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time. * * Equivalent to \Psr\SimpleCache\CacheInterface::set() * * public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool; * * * @param string $key The key of the item to store. * @param array $value The value of the item to store, must be serializable. * @param null|int $ttl Optional. The TTL value of this item. If no value is sent and * the driver supports TTL then the library may set a default value * for it or let the driver take care of that. * * @return bool True on success and false on failure. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function set_data(string $key, array $value, ?int $ttl = null): bool; /** * Delete an item from the cache by its unique key. * * Equivalent to \Psr\SimpleCache\CacheInterface::delete() * * public function delete(string $key): bool; * * * @param string $key The unique cache key of the item to delete. * * @return bool True if the item was successfully removed. False if there was an error. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function delete_data(string $key): bool; } Psr16.php000060400000012023147200215500006156 0ustar00cache = $cache; } /** * Fetches a value from the cache. * * Equivalent to \Psr\SimpleCache\CacheInterface::get() * * public function get(string $key, mixed $default = null): mixed; * * * @param string $key The unique key of this item in the cache. * @param mixed $default Default value to return if the key does not exist. * * @return array|mixed The value of the item from the cache, or $default in case of cache miss. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function get_data(string $key, $default = null) { $data = $this->cache->get($key, $default); if (!is_array($data) || $data === $default) { return $default; } return $data; } /** * Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time. * * Equivalent to \Psr\SimpleCache\CacheInterface::set() * * public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool; * * * @param string $key The key of the item to store. * @param array $value The value of the item to store, must be serializable. * @param null|int $ttl Optional. The TTL value of this item. If no value is sent and * the driver supports TTL then the library may set a default value * for it or let the driver take care of that. * * @return bool True on success and false on failure. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function set_data(string $key, array $value, ?int $ttl = null): bool { return $this->cache->set($key, $value, $ttl); } /** * Delete an item from the cache by its unique key. * * Equivalent to \Psr\SimpleCache\CacheInterface::delete() * * public function delete(string $key): bool; * * * @param string $key The unique cache key of the item to delete. * * @return bool True if the item was successfully removed. False if there was an error. * * @throws InvalidArgumentException * MUST be thrown if the $key string is not a legal value. */ public function delete_data(string $key): bool { return $this->cache->delete($key); } } Redis.php000064400000007755147200215500006335 0ustar00 * @link http://galvani.cz/ * @license http://www.opensource.org/licenses/bsd-license.php BSD License * @version 0.2.9 */ /** * Caches data to redis * * Registered for URLs with the "redis" protocol * * For example, `redis://localhost:6379/?timeout=3600&prefix=sp_&dbIndex=0` will * connect to redis on `localhost` on port 6379. All tables will be * prefixed with `simple_primary-` and data will expire after 3600 seconds * * @package SimplePie * @subpackage Caching * @uses Redis */ class SimplePie_Cache_Redis implements SimplePie_Cache_Base { /** * Redis instance * * @var \Redis */ protected $cache; /** * Options * * @var array */ protected $options; /** * Cache name * * @var string */ protected $name; /** * Cache Data * * @var type */ protected $data; /** * Create a new cache object * * @param string $location Location string (from SimplePie::$cache_location) * @param string $name Unique ID for the cache * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data */ public function __construct($location, $name, $options = null) { //$this->cache = \flow\simple\cache\Redis::getRedisClientInstance(); $parsed = SimplePie_Cache::parse_URL($location); $redis = new Redis(); $redis->connect($parsed['host'], $parsed['port']); if (isset($parsed['pass'])) { $redis->auth($parsed['pass']); } if (isset($parsed['path'])) { $redis->select((int)substr($parsed['path'], 1)); } $this->cache = $redis; if (!is_null($options) && is_array($options)) { $this->options = $options; } else { $this->options = array ( 'prefix' => 'rss:simple_primary:', 'expire' => 0, ); } $this->name = $this->options['prefix'] . $name; } /** * @param \Redis $cache */ public function setRedisClient(\Redis $cache) { $this->cache = $cache; } /** * Save data to the cache * * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if ($data instanceof SimplePie) { $data = $data->data; } $response = $this->cache->set($this->name, serialize($data)); if ($this->options['expire']) { $this->cache->expire($this->name, $this->options['expire']); } return $response; } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { $data = $this->cache->get($this->name); if ($data !== false) { return unserialize($data); } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { $data = $this->cache->get($this->name); if ($data !== false) { return time(); } return false; } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { $data = $this->cache->get($this->name); if ($data !== false) { $return = $this->cache->set($this->name, $data); if ($this->options['expire']) { return $this->cache->expire($this->name, $this->options['expire']); } return $return; } return false; } /** * Remove the cache * * @return bool Success status */ public function unlink() { return $this->cache->set($this->name, null); } } DB.php000064400000011125147200215500005536 0ustar00get_items(); $items_by_id = array(); if (!empty($items)) { foreach ($items as $item) { $items_by_id[$item->get_id()] = $item; } if (count($items_by_id) !== count($items)) { $items_by_id = array(); foreach ($items as $item) { $items_by_id[$item->get_id(true)] = $item; } } if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0])) { $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]; } elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0])) { $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]; } elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0])) { $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]; } elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0])) { $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]; } else { $channel = null; } if ($channel !== null) { if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']); } if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']); } if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']); } if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']); } if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item'])) { unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']); } } if (isset($data->data['items'])) { unset($data->data['items']); } if (isset($data->data['ordered_items'])) { unset($data->data['ordered_items']); } } return array(serialize($data->data), $items_by_id); } } File.php000064400000010265147200215500006134 0ustar00location = $location; $this->filename = $name; $this->extension = $type; $this->name = "$this->location/$this->filename.$this->extension"; } /** * Save data to the cache * * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if (file_exists($this->name) && is_writable($this->name) || file_exists($this->location) && is_writable($this->location)) { if ($data instanceof SimplePie) { $data = $data->data; } $data = serialize($data); return (bool) file_put_contents($this->name, $data); } return false; } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { if (file_exists($this->name) && is_readable($this->name)) { return unserialize(file_get_contents($this->name)); } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { return @filemtime($this->name); } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { return @touch($this->name); } /** * Remove the cache * * @return bool Success status */ public function unlink() { if (file_exists($this->name)) { return unlink($this->name); } return false; } }