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<?php |
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/* |
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* This file is part of the Shieldon Simple Cache package. |
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* |
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* (c) Terry L. <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Shieldon\SimpleCache\Driver; |
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use Shieldon\SimpleCache\CacheProvider; |
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use Shieldon\SimpleCache\Exception\CacheArgumentException; |
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use Shieldon\SimpleCache\Exception\CacheException; |
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use PDO; |
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use PDOException; |
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use Exception; |
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use function file_put_contents; |
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/** |
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* A cache driver class provided by MySQL database. |
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*/ |
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class Mysql extends CacheProvider |
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{ |
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use SqlTrait; |
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protected $type = 'mysql'; |
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/** |
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* Constructor. |
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* |
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* @param array $setting The settings. |
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* |
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* @throws CacheArgumentException |
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*/ |
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public function __construct($setting) |
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{ |
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$config = [ |
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'host' => '127.0.0.1', |
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'port' => 3306, |
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'user' => null, |
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'pass' => null, |
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'dbname' => null, |
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'table' => 'cache_data', |
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'charset' => 'utf8', |
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]; |
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foreach (array_keys($config) as $key) { |
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if (isset($setting[$key])) { |
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$config[$key] = $setting[$key]; |
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} |
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} |
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$this->assertSettingFields($config); |
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$this->connect($config); |
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} |
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/** |
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* Connect to MySQL server. |
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* |
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* @param array $config The settings. |
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* |
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* @return void |
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* |
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* @throws CacheException |
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*/ |
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protected function connect(array $config): void |
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{ |
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$host = 'mysql' . |
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':host=' . $config['host'] . |
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';port=' . $config['port'] . |
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';dbname=' . $config['dbname'] . |
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';charset='. $config['charset']; |
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$user = $config['user']; |
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$pass = $config['pass']; |
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try { |
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$this->db = new PDO($host, $user, $pass); |
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// @codeCoverageIgnoreStart |
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} catch (PDOException $e) { |
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throw new CacheException($e->getMessage()); |
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} |
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// @codeCoverageIgnoreEnd |
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} |
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/** |
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* Rebuild the cache storage. |
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* |
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* @return bool |
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*/ |
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public function rebuild(): bool |
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{ |
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try { |
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$sql = "CREATE TABLE IF NOT EXISTS `{$this->table}` ( |
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`cache_key` varchar(40) NOT NULL, |
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`cache_value` longtext, |
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PRIMARY KEY (`cache_key`) |
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;"; |
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$this->db->query($sql); |
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// @codeCoverageIgnoreStart |
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} catch (Exception $e) { |
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file_put_contents('php://stderr', $e->getMessage()); |
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return false; |
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} |
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// @codeCoverageIgnoreEnd |
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return true; |
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} |
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} |
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terrylinooo /
simple-cache
