class._database.php

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<?php
class _database {
        private $link           = false;
        private $result         = false;
        private $row            = false;
 
        public $settings        = array(
                        "servername"=> "localhost",
                        "serverport"=> "3306",
                        "username"      => false,
                        "password"      => false,
                        "database"      => false,
                        "persist"       => false,
                        "dieonerror"=> false,
                        "showerror"     => false,
                        "error_file"=> true
                );
 
        function __construct() {
                global $db_config;
                $this->settings = array_merge($this->settings, $db_config);
                if($this->settings["error_file"] === true) $this->settings["error_file"] = dirname(__FILE__)."/__mysql_errors.log";
        }
 
        function connect() {
                if (!$this->link) {
                        $this->link = ($this->settings["persist"]) ? 
                                mysql_pconnect(
                                        $this->settings["servername"].":".$this->settings["serverport"], 
                                        $this->settings["username"], 
                                        $this->settings["password"]
                                ) : 
                                mysql_connect(
                                        $this->settings["servername"].":".$this->settings["serverport"], 
                                        $this->settings["username"], 
                                        $this->settings["password"]
                                ) or $this->error();
                }
                if (!mysql_select_db($this->settings["database"], $this->link)) $this->error();
                if($this->link) mysql_query("SET NAMES 'utf8'");
                return ($this->link) ? true : false;
        }
 
        function query($sql) {
                if (!$this->link && !$this->connect()) $this->error();
                if (!($this->result = mysql_query($sql, $this->link))) $this->error($sql);
                return ($this->result) ? true : false;
        }
        
        function nextr() {
                if(!$this->result) {
                        $this->error("No query pending");
                        return false;
                }
                unset($this->row);
                $this->row = mysql_fetch_array($this->result, MYSQL_BOTH);
                return ($this->row) ? true : false ;
        }
 
        function get_row($mode = "both") {
                if(!$this->row) return false;
 
                $return = array();
                switch($mode) {
                        case "assoc":
                                foreach($this->row as $k => $v) {
                                        if(!is_int($k)) $return[$k] = $v;
                                }
                                break;
                        case "num":
                                foreach($this->row as $k => $v) {
                                        if(is_int($k)) $return[$k] = $v;
                                }
                                break;
                        default:
                                $return = $this->row;
                                break;
                }
                return array_map("stripslashes",$return);
        }
 
        function get_all($mode = "both", $key = false) {
                if(!$this->result) {
                        $this->error("No query pending");
                        return false;
                }
                $return = array();
                while($this->nextr()) {
                        if($key !== false) $return[$this->f($key)] = $this->get_row($mode);
                        else $return[] = $this->get_row($mode);
                }
                return $return;
        }
 
        function f($index) {
                return stripslashes($this->row[$index]);
        }
 
        function go_to($row) {
                if(!$this->result) {
                        $this->error("No query pending");
                        return false;
                }
                if(!mysql_data_seek($this->result, $row)) $this->error();
        }
 
        function nf() {
                if ($numb = mysql_num_rows($this->result) === false) $this->error();
                return mysql_num_rows($this->result);
        }
        function af() {
                return mysql_affected_rows();
        }
        function error($string="") {
                $error = mysql_error();
                if($this->settings["show_error"]) echo $error;
                if($this->settings["error_file"] !== false) {
                        $handle = @fopen($this->settings["error_file"], "a+");
                        if($handle) {
                                @fwrite($handle, "[".date("Y-m-d H:i:s")."] ".$string." <".$error.">\n");
                                @fclose($handle);
                        }
                }
                if($this->settings["dieonerror"]) {
                        if(isset($this->result)) mysql_free_result($this->result);
                        mysql_close($this->link);
                        die();
                }
        }
        function insert_id() {
                if(!$this->link) return false;
                return mysql_insert_id();
        }
        function escape($string){
                if(!$this->link) return addslashes($string);
                return mysql_real_escape_string($string);
        }
 
        function destroy(){
                if (isset($this->result)) mysql_free_result($this->result);
                if (isset($this->link)) mysql_close($this->link);
        }
 
 
}
?>