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- <?php
- class Db implements IDb {
- private static $instance;
- private $adapter;
- private $link;
- private function __construct() {
- $er = error_reporting(E_ALL);
- if (defined('_ENABLE_PDO') && _ENABLE_PDO && class_exists("PDO")) {
- $this->adapter = new Db_PDO();
- } else {
- switch (DB_TYPE) {
- case "mysql":
- if (function_exists("mysqli_connect")) {
- $this->adapter = new Db_Mysqli();
- } else {
- $this->adapter = new Db_Mysql();
- }
- break;
- case "pgsql":
- $this->adapter = new Db_Pgsql();
- break;
- default:
- die("Unknown DB_TYPE: " . DB_TYPE);
- }
- }
- if (!$this->adapter) die("Error initializing database adapter for " . DB_TYPE);
- $this->link = $this->adapter->connect(DB_HOST, DB_USER, DB_PASS, DB_NAME, defined('DB_PORT') ? DB_PORT : false);
- if (!$this->link) {
- die("Error connecting through adapter: " . $this->adapter->last_error());
- }
- error_reporting($er);
- }
- private function __clone() {
- //
- }
- public static function get() {
- if (self::$instance == null)
- self::$instance = new self();
- return self::$instance;
- }
- static function quote($str){
- return("'$str'");
- }
- function connect($host, $user, $pass, $db, $port) {
- //return $this->adapter->connect($host, $user, $pass, $db, $port);
- return ;
- }
- function escape_string($s, $strip_tags = true) {
- return $this->adapter->escape_string($s, $strip_tags);
- }
- function query($query, $die_on_error = true) {
- return $this->adapter->query($query, $die_on_error);
- }
- function fetch_assoc($result) {
- return $this->adapter->fetch_assoc($result);
- }
- function num_rows($result) {
- return $this->adapter->num_rows($result);
- }
- function fetch_result($result, $row, $param) {
- return $this->adapter->fetch_result($result, $row, $param);
- }
- function close() {
- return $this->adapter->close();
- }
- function affected_rows($result) {
- return $this->adapter->affected_rows($result);
- }
- function last_error() {
- return $this->adapter->last_error();
- }
- }
- ?>
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