92 lines
2.1 KiB
PHP
92 lines
2.1 KiB
PHP
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<?php
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/*
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* @package AJAX_Chat
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* @author Sebastian Tschan
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* @copyright (c) Sebastian Tschan
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* @license GNU Affero General Public License
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* @link https://blueimp.net/ajax/
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*/
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// Class to initialize the MySQL DataBase connection:
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class AJAXChatDataBaseMySQL {
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var $_connectionID;
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var $_errno = 0;
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var $_error = '';
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var $_dbName;
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function __construct(&$dbConnectionConfig) {
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$this->_connectionID = $dbConnectionConfig['link'];
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$this->_dbName = $dbConnectionConfig['name'];
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}
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// Method to connect to the DataBase server:
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function connect(&$dbConnectionConfig) {
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$this->_connectionID = @mysql_connect(
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$dbConnectionConfig['host'],
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$dbConnectionConfig['user'],
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$dbConnectionConfig['pass'],
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true
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);
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if(!$this->_connectionID) {
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$this->_errno = null;
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$this->_error = 'Database connection failed.';
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return false;
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}
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return true;
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}
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// Method to select the DataBase:
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function select($dbName) {
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if(!@mysql_select_db($dbName, $this->_connectionID)) {
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$this->_errno = mysql_errno($this->_connectionID);
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$this->_error = mysql_error($this->_connectionID);
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return false;
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}
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$this->_dbName = $dbName;
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return true;
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}
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// Method to determine if an error has occured:
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function error() {
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return (bool)$this->_error;
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}
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// Method to return the error report:
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function getError() {
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if($this->error()) {
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$str = 'Error-Report: ' .$this->_error."\n";
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$str .= 'Error-Code: '.$this->_errno."\n";
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} else {
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$str = 'No errors.'."\n";
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}
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return $str;
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}
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// Method to return the connection identifier:
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function &getConnectionID() {
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return $this->_connectionID;
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}
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// Method to prevent SQL injections:
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function makeSafe($value) {
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return "'".mysql_real_escape_string($value, $this->_connectionID)."'";
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}
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// Method to perform SQL queries:
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function sqlQuery($sql) {
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return new AJAXChatMySQLQuery($sql, $this->_connectionID);
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}
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// Method to retrieve the current DataBase name:
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function getName() {
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return $this->_dbName;
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}
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// Method to retrieve the last inserted ID:
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function getLastInsertedID() {
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return mysql_insert_id($this->_connectionID);
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}
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}
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?>
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