mirror of
https://github.com/salesagility/SuiteCRM.git
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285 lines
9.8 KiB
PHP
Executable File
285 lines
9.8 KiB
PHP
Executable File
<?php
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if (!defined('sugarEntry') || !sugarEntry) {
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die('Not A Valid Entry Point');
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}
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/**
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*
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* SugarCRM Community Edition is a customer relationship management program developed by
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* SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
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*
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* SuiteCRM is an extension to SugarCRM Community Edition developed by SalesAgility Ltd.
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* Copyright (C) 2011 - 2018 SalesAgility Ltd.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Affero General Public License version 3 as published by the
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* Free Software Foundation with the addition of the following permission added
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* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
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* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
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* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Affero General Public License along with
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* this program; if not, see http://www.gnu.org/licenses or write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA.
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*
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* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
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* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU Affero General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "Powered by
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* SugarCRM" logo and "Supercharged by SuiteCRM" logo. If the display of the logos is not
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* reasonably feasible for technical reasons, the Appropriate Legal Notices must
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* display the words "Powered by SugarCRM" and "Supercharged by SuiteCRM".
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*/
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/**
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* Description: This file generates the appropriate manager for the database
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*
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* Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
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* All Rights Reserved.
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* Contributor(s): ______________________________________..
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********************************************************************************/
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require_once dirname(__DIR__) . '/../include/database/DBManager.php';
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/**
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* Database driver factory
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* @api
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* Instantiates and configures appropriate DB drivers
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*/
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#[\AllowDynamicProperties]
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class DBManagerFactory
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{
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public static $instances = array();
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/**
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* Returns a reference to the DB object of specific type
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*
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* @param string $type DB type
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* @param array $config DB configuration
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* @return object DBManager instance
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*/
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public static function getTypeInstance($type, $config = array())
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{
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global $sugar_config;
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if (empty($config['db_manager'])) {
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// standard types
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switch ($type) {
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case "mysql":
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if (empty($sugar_config['mysqli_disabled']) && function_exists('mysqli_connect')) {
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$my_db_manager = 'MysqliManager';
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} else {
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$my_db_manager = "MysqlManager";
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}
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break;
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case "mssql":
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if (function_exists('sqlsrv_connect')
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&& (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'sqlsrv')) {
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$my_db_manager = 'SqlsrvManager';
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} elseif (self::isFreeTDS()
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&& (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'freetds')) {
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$my_db_manager = 'FreeTDSManager';
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} else {
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$my_db_manager = 'MssqlManager';
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}
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break;
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default:
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$my_db_manager = self::getManagerByType($type, false);
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if (empty($my_db_manager)) {
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$GLOBALS['log']->fatal("unable to load DB manager for: $type");
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sugar_die("Cannot load DB manager");
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}
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}
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} else {
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$my_db_manager = $config['db_manager'];
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}
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// sanitize the name
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$my_db_manager = preg_replace("/[^A-Za-z0-9_-]/", "", (string) $my_db_manager);
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if (!empty($config['db_manager_class'])) {
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$my_db_manager = $config['db_manager_class'];
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} else {
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if (file_exists("custom/include/database/{$my_db_manager}.php")) {
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require_once("custom/include/database/{$my_db_manager}.php");
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} else {
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require_once("include/database/{$my_db_manager}.php");
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}
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}
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if (class_exists($my_db_manager)) {
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return new $my_db_manager();
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} else {
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return null;
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}
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}
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/**
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* Returns a reference to the DB object for instance $instanceName, or the default
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* instance if one is not specified
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*
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* @param string $instanceName optional, name of the instance
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* @return DBManager instance
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*/
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public static function getInstance($instanceName = '')
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{
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global $sugar_config;
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static $count = 0, $old_count = 0;
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//fall back to the default instance name
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if (empty($sugar_config['db'][$instanceName])) {
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$instanceName = '';
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}
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if (!isset(self::$instances[$instanceName])) {
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$config = $sugar_config['dbconfig'];
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$count++;
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self::$instances[$instanceName] = self::getTypeInstance($config['db_type'], $config);
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if (!empty($sugar_config['dbconfigoption'])) {
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self::$instances[$instanceName]->setOptions($sugar_config['dbconfigoption']);
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}
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self::$instances[$instanceName]->connect($config, true);
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self::$instances[$instanceName]->count_id = $count;
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self::$instances[$instanceName]->references = 0;
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} else {
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$old_count++;
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self::$instances[$instanceName]->references = $old_count;
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}
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return self::$instances[$instanceName];
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}
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/**
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* Disconnect all DB connections in the system
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*/
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public static function disconnectAll()
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{
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foreach (self::$instances as $instance) {
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$instance->disconnect();
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}
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self::$instances = array();
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}
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/**
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* Get DB manager class name by type name
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*
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* For use in install
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* @param string $type
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* @param bool $validate Return only valid drivers or any?
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* @return string
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*/
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public static function getManagerByType($type, $validate = true)
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{
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$drivers = self::getDbDrivers($validate);
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if (!empty($drivers[$type])) {
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return get_class($drivers[$type]);
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}
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return false;
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}
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/**
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* Scan directory for valid DB drivers
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* @param string $dir
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* @param array $drivers
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* @param bool $validate Return only valid drivers or all of them?
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*/
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protected static function scanDriverDir($dir, &$drivers, $validate = true)
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{
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if (!is_dir($dir)) {
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return;
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}
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$scandir = opendir($dir);
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if ($scandir === false) {
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return;
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}
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while (($name = readdir($scandir)) !== false) {
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if (substr($name, -11) != "Manager.php") {
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continue;
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}
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if ($name == "DBManager.php") {
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continue;
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}
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require_once("$dir/$name");
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$classname = substr($name, 0, -4);
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if (!class_exists($classname)) {
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continue;
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}
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$driver = new $classname;
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if (!$validate || $driver->valid()) {
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if (empty($drivers[$driver->dbType])) {
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$drivers[$driver->dbType] = array();
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}
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$drivers[$driver->dbType][] = $driver;
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}
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}
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}
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/**
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* Compares two drivers by priority
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* @internal
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* @param object $a
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* @param object $b
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* @return int
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*/
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public static function _compareDrivers($a, $b)
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{
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return $b->priority - $a->priority;
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}
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/**
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* Get list of all available DB drivers
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* @param bool $validate Return only valid drivers or all of them?
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* @return array List of Db drivers, key - variant (mysql, mysqli), value - driver type (mysql, mssql)
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*/
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public static function getDbDrivers($validate = true)
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{
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$drivers = array();
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self::scanDriverDir("include/database", $drivers, $validate);
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self::scanDriverDir("custom/include/database", $drivers, $validate);
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$result = array();
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foreach ($drivers as $type => $tdrivers) {
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if (empty($tdrivers)) {
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continue;
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}
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if ((is_countable($tdrivers) ? count($tdrivers) : 0) > 1) {
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usort($tdrivers, array(__CLASS__, "_compareDrivers"));
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}
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$result[$type] = $tdrivers[0];
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}
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return $result;
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}
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/**
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* Check if we have freeTDS driver installed
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* Invoked when connected to mssql. checks if we have freetds version of mssql library.
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* the response is put into a global variable.
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* @return bool
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*/
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public static function isFreeTDS()
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{
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static $is_freetds = null;
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if ($is_freetds === null) {
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ob_start();
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phpinfo(INFO_MODULES);
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$info=ob_get_contents();
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ob_end_clean();
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$is_freetds = (strpos($info, 'FreeTDS') !== false);
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}
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return $is_freetds;
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}
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}
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