CompatibleStrategy::createDatabaseConnection

public function createDatabaseConnection()
{
	////////////////////////////////////////////////////////////////////////////////////////////////////
	//read database connection parameters require_once
	global $DBType, $DBDebug;

	if(defined("BX_URLREWRITE"))
	{
		global $DBHost, $DBName, $DBLogin, $DBPassword, $DBDebugToFile, $DBSQLServerType;
	}
	else
	{
		$DBType = "mysql";
		$DBDebug = false;
		require_once($_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/php_interface/dbconn.php");
	}

	if(defined('BX_UTF'))
		define('BX_UTF_PCRE_MODIFIER', 'u');
	else
		define('BX_UTF_PCRE_MODIFIER', '');

	if(!defined("CACHED_b_lang")) define("CACHED_b_lang", 3600);
	if(!defined("CACHED_b_option")) define("CACHED_b_option", 3600);
	if(!defined("CACHED_b_lang_domain")) define("CACHED_b_lang_domain", 3600);
	if(!defined("CACHED_b_site_template")) define("CACHED_b_site_template", 3600);
	if(!defined("CACHED_b_event")) define("CACHED_b_event", 3600);
	if(!defined("CACHED_b_agent")) define("CACHED_b_agent", 3660);
	if(!defined("CACHED_menu")) define("CACHED_menu", 3600);
	if(!defined("CACHED_b_file")) define("CACHED_b_file", false);
	if(!defined("CACHED_b_file_bucket_size")) define("CACHED_b_file_bucket_size", 100);
	if(!defined("CACHED_b_user_field")) define("CACHED_b_user_field", 3600);
	if(!defined("CACHED_b_user_field_enum")) define("CACHED_b_user_field_enum", 3600);
	if(!defined("CACHED_b_task")) define("CACHED_b_task", 3600);
	if(!defined("CACHED_b_task_operation")) define("CACHED_b_task_operation", 3600);
	if(!defined("CACHED_b_rating")) define("CACHED_b_rating", 3600);

	if(!defined("POST_FORM_ACTION_URI"))
		define("POST_FORM_ACTION_URI", htmlspecialcharsbx($_SERVER["REQUEST_URI"]));
	////////////////////////////////////////////////////////////////////////////////////////////////////

	//connect to database, from here global variable $DB is available (CDatabase class)
	if(isset($DBSQLServerType) && $DBSQLServerType == "NATIVE")
		require_once($_SERVER["DOCUMENT_ROOT"].BX_ROOT."/modules/main/classes/".$DBType."/database_ms.php");
	else
		require_once($_SERVER["DOCUMENT_ROOT"].BX_ROOT."/modules/main/classes/".$DBType."/database.php");

	$GLOBALS["DB"] = new CDatabase;
	$GLOBALS["DB"]->debug = $DBDebug;
	$GLOBALS["DB"]->DebugToFile = $DBDebugToFile;

	//magic parameters: show sql queries statistics
	$show_sql_stat = "";
	if(array_key_exists("show_sql_stat", $_GET))
	{
		$show_sql_stat = (strtoupper($_GET["show_sql_stat"]) == "Y"? "Y":"");
		setcookie("show_sql_stat", $show_sql_stat, false, "/");
	}
	elseif(array_key_exists("show_sql_stat", $_COOKIE))
	{
		$show_sql_stat = $_COOKIE["show_sql_stat"];
	}

	$GLOBALS["DB"]->ShowSqlStat = ($show_sql_stat == "Y");

	if(!($GLOBALS["DB"]->connect($DBHost, $DBName, $DBLogin, $DBPassword)))
	{
		if(file_exists(($fname = $_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT."/php_interface/dbconn_error.php")))
			include($fname);
		else
			include($_SERVER["DOCUMENT_ROOT"].BX_ROOT."/modules/main/include/dbconn_error.php");
		die();
	}
}