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generated by cgit v1.2.1 (git 2.21.0) at 2024-08-12 17:43:03 +0000
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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/

namespace phpbb\config;

/**
* Configuration container class
*/
class db extends \phpbb\config\config
{
	/**
	* Cache instance
	* @var \phpbb\cache\driver\driver_interface
	*/
	protected $cache;

	/**
	* Database connection
	* @var \phpbb\db\driver\driver_interface
	*/
	protected $db;

	/**
	* Name of the database table used for configuration.
	* @var string
	*/
	protected $table;

	/**
	* Creates a configuration container with a default set of values
	*
	* @param \phpbb\db\driver\driver_interface    $db    Database connection
	* @param \phpbb\cache\driver\driver_interface $cache Cache instance
	* @param string                       $table Configuration table name
	*/
	public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\cache\driver\driver_interface $cache, $table)
	{
		$this->db = $db;
		$this->cache = $cache;
		$this->table = $table;

		if (($config = $cache->get('config')) !== false)
		{
			$sql = 'SELECT config_name, config_value
				FROM ' . $this->table . '
				WHERE is_dynamic = 1';
			$result = $this->db->sql_query($sql);

			while ($row = $this->db->sql_fetchrow($result))
			{
				$config[$row['config_name']] = $row['config_value'];
			}
			$this->db->sql_freeresult($result);
		}
		else
		{
			$config = $cached_config = array();

			$sql = 'SELECT config_name, config_value, is_dynamic
				FROM ' . $this->table;
			$result = $this->db->sql_query($sql);

			while ($row = $this->db->sql_fetchrow($result))
			{
				if (!$row['is_dynamic'])
				{
					$cached_config[$row['config_name']] = $row['config_value'];
				}

				$config[$row['config_name']] = $row['config_value'];
			}
			$this->db->sql_freeresult($result);

			$cache->put('config', $cached_config);
		}

		parent::__construct($config);
	}

	/**
	* Removes a configuration option
	*
	* @param  String $key       The configuration option's name
	* @param  bool   $use_cache Whether this variable should be cached or if it
	*                           changes too frequently to be efficiently cached
	* @return null
	*/
	public function delete($key, $use_cache = true)
	{
		$sql = 'DELETE FROM ' . $this->table . "
			WHERE config_name = '" . $this->db->sql_escape($key) . "'";
		$this->db->sql_query($sql);

		unset($this->config[$key]);

		if ($use_cache)
		{
			$this->cache->destroy('config');
		}
	}

	/**
	* Sets a configuration option's value
	*
	* @param string $key       The configuration option's name
	* @param string $value     New configuration value
	* @param bool   $use_cache Whether this variable should be cached or if it
	*                          changes too frequently to be efficiently cached.
	*/
	public function set($key, $value, $use_cache = true)
	{
		$this->set_atomic($key, false, $value, $use_cache);
	}

	/**
	* Sets a configuration option's value only if the old_value matches the
	* current configuration value or the configuration value does not exist yet.
	*