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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"); | |
| } | |
| } |