<?php
//Written by: Shreyas Basarge
define("db_server","localhost");
define("db_user","root");
define("db_password","root");
class mysql
{
var $conn;
var $error;
function get_error() {
return $this->error;
}
function connect($dbname) {
$this->conn = mysql_connect(db_server, db_user, db_password);
if (!!$this->conn)
{
mysql_select_db($dbname, $this->conn);
return true;
}
$this->error = mysql_error();
return false;
}
function insert($table, $dataarray)
{
$i = 0; $data = '';
while(isset($dataarray[$i]))
{
$data .= "'" . $dataarray[$i] . "'";
if (isset($dataarray[$i+1])) $data .= ", ";
$i++;
}
if(mysql_query("INSERT INTO $table VALUES ($data)", $this->conn))
{
return true;
}
else
{
$this->error = mysql_error($this->conn);
return false;
}
}
function query($q)
{
if($result = mysql_query($q, $this->conn))
{
return $result;
}
else
{
$this->error=mysql_error($this->conn);
return false;
}
}
function update($table, $fields, $values, $clause)
{
if (count($fields) != count($values))
{
return false;
}
$sql = "UPDATE $table SET ";
$i=0;
while(isset($fields[$i]))
{
$sql = $sql . $fields[$i] . " = '" . $values[$i] . "'";
if (isset($fields[$i])) $sql = $sql + ', ';
$i++;
}
$sql = $sql + " WHERE $clause";
return mysql_query($sql);
}
function max($table, $field)
{
$result = mysql_query("SELECT MAX($field) FROM $table", $this->conn);
$row = mysql_fetch_array($result);
return $row["MAX($field)"];
}
function getfields($table)
{
if($result = mysql_query("SHOW COLUMNS FROM $table", $this->conn))
{
$cms = mysql_fetch_assoc($result);
return $cms['Field'];
}
else
{
$this->error = mysql_error($this->conn);
return false;
}
}
function getrows($table,$fields, $clause=NULL, $order=NULL, $llimit=NULL, $ulimit=NULL)
{
$sql = "SELECT ";
$sql .= ($fields != '')? $fields . " " : "* ";
$sql .= "FROM $table ";
if (isset($clause)) $sql .= "WHERE $clause ";
if ($order != '') $sql .= "ORDER BY $order ";
if (isset($clause)) $sql .= "LIMIT $llimit, $ulimit";
$sql .= ";";
if($result = mysql_query($sql))
{
return $result;
}
else
{
$this->error=mysql_error($this->conn);
return false;
}
}
function getrow($table, $fields=NULL, $clause=NULL)
{
$rows = $this->getrows($table, $fields, $clause, '', 0, 1);
if (mysql_num_rows($rows))
return mysql_fetch_array($rows);
else
return false;
}
function nextrow($rows)
{
return mysql_fetch_array($rows);
}
function delete($table, $clause)
{
mysql_query("DELETE * FROM $table WHERE $clause");
}
function close()
{
mysql_close();
}
}
?>
