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