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41cc1b08
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Assos Assos
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<?php
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class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
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{
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protected $mysql;
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protected $options;
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protected $id;
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public function __construct($location, $name, $type)
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{
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$this->options = array(
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'user' => null,
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'pass' => null,
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'host' => '127.0.0.1',
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'port' => '3306',
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'path' => '',
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'extras' => array(
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'prefix' => '',
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),
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);
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$this->options = array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
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$this->options['dbname'] = substr($this->options['path'], 1);
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try
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{
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$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'));
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}
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catch (PDOException $e)
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{
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$this->mysql = null;
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return;
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}
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$this->id = $name . $type;
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if (!$query = $this->mysql->query('SHOW TABLES'))
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{
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$this->mysql = null;
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return;
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}
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$db = array();
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while ($row = $query->fetchColumn())
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{
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$db[] = $row;
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}
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if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db))
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{
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$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))');
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if ($query === false)
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{
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$this->mysql = null;
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}
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}
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if (!in_array($this->options['extras']['prefix'] . 'items', $db))
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{
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$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
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if ($query === false)
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{
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$this->mysql = null;
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}
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}
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}
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public function save($data)
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{
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if ($this->mysql === null)
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{
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return false;
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}
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if ($data instanceof SimplePie)
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{
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$data = clone $data;
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$prepared = self::prepare_simplepie_object_for_cache($data);
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$query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
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$query->bindValue(':feed', $this->id);
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if ($query->execute())
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{
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if ($query->fetchColumn() > 0)
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{
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$items = count($prepared[1]);
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if ($items)
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{
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$sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed';
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$query = $this->mysql->prepare($sql);
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$query->bindValue(':items', $items);
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}
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else
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{
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$sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed';
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$query = $this->mysql->prepare($sql);
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}
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$query->bindValue(':data', $prepared[0]);
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$query->bindValue(':time', time());
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$query->bindValue(':feed', $this->id);
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if (!$query->execute())
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{
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return false;
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}
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}
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else
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{
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$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)');
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$query->bindValue(':feed', $this->id);
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$query->bindValue(':count', count($prepared[1]));
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$query->bindValue(':data', $prepared[0]);
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$query->bindValue(':time', time());
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if (!$query->execute())
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{
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return false;
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}
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}
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$ids = array_keys($prepared[1]);
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if (!empty($ids))
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{
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foreach ($ids as $id)
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{
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$database_ids[] = $this->mysql->quote($id);
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}
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$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed');
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$query->bindValue(':feed', $this->id);
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if ($query->execute())
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{
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$existing_ids = array();
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while ($row = $query->fetchColumn())
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{
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$existing_ids[] = $row;
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}
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$new_ids = array_diff($ids, $existing_ids);
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foreach ($new_ids as $new_id)
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{
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if (!($date = $prepared[1][$new_id]->get_date('U')))
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{
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$date = time();
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}
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$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)');
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$query->bindValue(':feed', $this->id);
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$query->bindValue(':id', $new_id);
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$query->bindValue(':data', serialize($prepared[1][$new_id]->data));
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$query->bindValue(':date', $date);
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if (!$query->execute())
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{
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return false;
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}
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}
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return true;
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}
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}
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else
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{
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return true;
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}
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}
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}
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else
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{
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$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
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$query->bindValue(':feed', $this->id);
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if ($query->execute())
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{
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if ($query->rowCount() > 0)
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{
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$query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed');
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$query->bindValue(':data', serialize($data));
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$query->bindValue(':time', time());
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$query->bindValue(':feed', $this->id);
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if ($this->execute())
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{
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return true;
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}
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}
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else
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{
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$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)');
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$query->bindValue(':id', $this->id);
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$query->bindValue(':data', serialize($data));
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$query->bindValue(':time', time());
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if ($query->execute())
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{
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return true;
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}
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}
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}
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}
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return false;
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}
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public function load()
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{
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if ($this->mysql === null)
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{
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return false;
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}
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$query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
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$query->bindValue(':id', $this->id);
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if ($query->execute() && ($row = $query->fetch()))
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{
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$data = unserialize($row[1]);
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if (isset($this->options['items'][0]))
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{
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$items = (int) $this->options['items'][0];
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}
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else
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{
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$items = (int) $row[0];
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}
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if ($items !== 0)
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{
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if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
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{
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$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
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}
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elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
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{
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$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
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}
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elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
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{
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$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
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}
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elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]))
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{
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$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0];
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}
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else
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{
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$feed = null;
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}
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if ($feed !== null)
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{
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$sql = 'SELECT `data` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC';
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if ($items > 0)
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{
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$sql .= ' LIMIT ' . $items;
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}
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$query = $this->mysql->prepare($sql);
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$query->bindValue(':feed', $this->id);
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if ($query->execute())
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{
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while ($row = $query->fetchColumn())
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{
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$feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row);
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}
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}
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else
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{
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return false;
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}
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}
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}
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return $data;
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}
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361 |
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return false;
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}
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public function mtime()
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{
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371 |
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if ($this->mysql === null)
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{
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return false;
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}
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$query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
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$query->bindValue(':id', $this->id);
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if ($query->execute() && ($time = $query->fetchColumn()))
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{
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return $time;
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381 |
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}
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else
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383 |
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{
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384 |
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return false;
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}
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386 |
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}
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387 |
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389 |
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public function touch()
|
394 |
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{
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395 |
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if ($this->mysql === null)
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396 |
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|
{
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397 |
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return false;
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398 |
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}
|
399 |
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|
400 |
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$query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id');
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401 |
|
|
$query->bindValue(':time', time());
|
402 |
|
|
$query->bindValue(':id', $this->id);
|
403 |
|
|
if ($query->execute() && $query->rowCount() > 0)
|
404 |
|
|
{
|
405 |
|
|
return true;
|
406 |
|
|
}
|
407 |
|
|
else
|
408 |
|
|
{
|
409 |
|
|
return false;
|
410 |
|
|
}
|
411 |
|
|
}
|
412 |
|
|
|
413 |
|
|
|
414 |
|
|
|
415 |
|
|
|
416 |
|
|
|
417 |
|
|
|
418 |
|
|
public function unlink()
|
419 |
|
|
{
|
420 |
|
|
if ($this->mysql === null)
|
421 |
|
|
{
|
422 |
|
|
return false;
|
423 |
|
|
}
|
424 |
|
|
|
425 |
|
|
$query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
|
426 |
|
|
$query->bindValue(':id', $this->id);
|
427 |
|
|
$query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id');
|
428 |
|
|
$query2->bindValue(':id', $this->id);
|
429 |
|
|
if ($query->execute() && $query2->execute())
|
430 |
|
|
{
|
431 |
|
|
return true;
|
432 |
|
|
}
|
433 |
|
|
else
|
434 |
|
|
{
|
435 |
|
|
return false;
|
436 |
|
|
}
|
437 |
|
|
}
|
438 |
|
|
} |