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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; | |
class config_php_file | |
{ | |
/** @var string phpBB Root Path */ | |
protected $phpbb_root_path; | |
/** @var string php file extension */ | |
protected $php_ext; | |
/** | |
* Indicates whether the php config file has been loaded. | |
* | |
* @var bool | |
*/ | |
protected $config_loaded = false; | |
/** | |
* The content of the php config file | |
* | |
* @var array | |
*/ | |
protected $config_data = array(); | |
/** | |
* The path to the config file. (Default: $phpbb_root_path . 'config.' . $php_ext) | |
* | |
* @var string | |
*/ | |
protected $config_file; | |
private $defined_vars; | |
/** | |
* Constructor | |
* | |
* @param string $phpbb_root_path phpBB Root Path | |
* @param string $php_ext php file extension | |
*/ | |
function __construct($phpbb_root_path, $php_ext) | |
{ | |
$this->phpbb_root_path = $phpbb_root_path; | |
$this->php_ext = $php_ext; | |
$this->config_file = $this->phpbb_root_path . 'config.' . $this->php_ext; | |
} | |
/** | |
* Set the path to the config file. | |
* | |
* @param string $config_file | |
*/ | |
public function set_config_file($config_file) | |
{ | |
$this->config_file = $config_file; | |
$this->config_loaded = false; | |
} | |
/** | |
* Returns an associative array containing the variables defined by the config file. | |
* | |
* @return array Return the content of the config file or an empty array if the file does not exists. | |
*/ | |
public function get_all() | |
{ | |
$this->load_config_file(); | |
return $this->config_data; | |
} | |
/** | |
* Return the value of a variable defined into the config.php file or null if the variable does not exist. | |
* | |
* @param string $variable The name of the variable | |
* @return mixed Value of the variable or null if the variable is not defined. | |
*/ | |
public function get($variable) | |
{ | |
$this->load_config_file(); | |
return isset($this->config_data[$variable]) ? $this->config_data[$variable] : null; | |
} | |
/** | |
* Load the config file and store the information. | |
* | |
* @return null | |
*/ | |
protected function load_config_file() | |
{ | |
if (!$this->config_loaded && file_exists($this->config_file)) | |
{ | |
$this->defined_vars = get_defined_vars(); | |
require($this->config_file); | |
$this->config_data = array_diff_key(get_defined_vars(), $this->defined_vars); | |
$this->config_loaded = true; | |
} | |
} | |
/** | |
* Convert either 3.0 dbms or 3.1 db driver class name to 3.1 db driver class name. | |
* | |
* If $dbms is a valid 3.1 db driver class name, returns it unchanged. | |
* Otherwise prepends phpbb\db\driver\ to the dbms to convert a 3.0 dbms | |
* to 3.1 db driver class name. | |
* | |
* @param string $dbms dbms parameter | |
* @return string driver class | |
* @throws \RuntimeException | |
*/ | |
public function convert_30_dbms_to_31($dbms) | |
{ | |
// Note: this check is done first because mysqli extension | |
// supplies a mysqli class, and class_exists($dbms) would return | |
// true for mysqli class. | |
// However, per the docblock any valid 3.1 driver name should be | |
// recognized by this function, and have priority over 3.0 dbms. | |
if (strpos($dbms, 'phpbb\db\driver') === false && class_exists('phpbb\db\driver\\' . $dbms)) | |
{ | |
return 'phpbb\db\driver\\' . $dbms; | |
} | |
if (class_exists($dbms)) | |
{ | |
// Additionally we could check that $dbms extends phpbb\db\driver\driver. | |
// http://php.net/manual/en/class.reflectionclass.php | |
// Beware of possible performance issues: | |
// http://stackoverflow.com/questions/294582/php-5-reflection-api-performance | |
// We could check for interface implementation in all paths or | |
// only when we do not prepend phpbb\db\driver\. | |
/* | |
$reflection = new \ReflectionClass($dbms); | |
if ($reflection->isSubclassOf('phpbb\db\driver\driver')) | |
{ | |
return $dbms; | |
} | |
*/ | |
return $dbms; | |
} | |
throw new \RuntimeException("You have specified an invalid dbms driver: $dbms"); | |
} | |
} |