<?php
//--------------------------------------------------
// Define the DB setting
//--------------------------------------------------
define('DB_NAME', 'pathways');
define('DB_USER', 'root');
define('DB_PASSWD', '');
define('DB_HOST', '127.0.0.1');
define('DB_TYPE', 'mysql');
$PDO_OPTIONS = array(
    PDO::ATTR_CASE => PDO::CASE_LOWER,
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
    PDO::ATTR_STRINGIFY_FETCHES => false,
);
//--------------------------------------------------
// Connect Database 
//--------------------------------------------------
try {
    $dbh = new PDO(DB_TYPE . ':host=' . DB_HOST . ';dbname=' . DB_NAME, DB_USER, DB_PASSWD, $PDO_OPTIONS);
    $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    $dbh -> exec('SET NAMES utf8');
} catch (PDOException $e) {
    echo 'Connection failed: ' . $e->getMessage();
}

/********************************************************************************************************
$id = 123;
$name = 'Chan Tai Man';
$pwd = md5(123456);
$date = '20130101';

### Delete SQL ### 
$sth = $dbh->prepare('DELETE FROM `user` where id = ?');
$sth->bindParam(1, $id);
$sth->execute();

### Insert SQL ###
$sth = $dbh->prepare('INSERT INTO `user`(`id`, `name`, `pwd`, `date`) VALUES (?,?,?,?)');
$sth->bindParam(1, $id);
$sth->bindParam(2, $name);
$sth->bindParam(3, $pwd);
$sth->bindParam(4, $date);
$sth->execute();

### Select SQL ###
$sth = $dbh->prepare('SELECT * FROM `user` where id = ?');
$sth->bindParam(1, $id);
$sth->execute();
while ($ResultSet = $sth->fetch(PDO::FETCH_ASSOC)) {
    echo 'name : ' . $ResultSet['name'] . '<br>';
    echo 'id   : ' . $ResultSet['id'] . '<br>';
    echo 'pwd  : ' . $ResultSet['pwd'] . '<br>';
    echo 'date : ' . $ResultSet['date'];
}

### Error Checking ###
if ($sth->errorCode())
    print_r($sth->errorInfo());
********************************************************************************************************/
?>