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<pre>
<?php
/**************************************/
/* a nice php5 only show case of MDB2 */
/**************************************/
require 'MDB2.php';
// the database needs to be created manually beforehand
$dsn = array(
'phptype' => 'pgsql',
'username' => 'postgres',
# 'phptype' => 'mysql',
# 'username' => 'root',
'password' => 'test',
'hostspec' => 'localhost',
'database' => 'driver_test',
);
#$dsn = 'sqlite:///:memory:';
// create MDB2 instance
$mdb2 = MDB2::factory($dsn);
if (PEAR::isError($mdb2)) {
die($mdb2->getMessage());
}
// set the default fetchmode
$mdb2->setFetchMode(MDB2_FETCHMODE_ASSOC);
$fields = array(
'id' => array(
'type' => 'integer',
'unsigned' => true,
'autoincrement' => true,
),
'somename' => array(
'type' => 'text',
'length' => 12,
),
'somedate' => array(
'type' => 'date',
),
);
$table = 'sometable';
// create a table
// since we are on php5 we can use the magic __call() method to:
// - load the manager module: $mdb2->loadModule('Manager', null, true);
// - redirect the method call to the manager module: $mdb2->manager->createTable('sometable', $fields);
$mdb2->mgCreateTable($table, $fields);
$query = "INSERT INTO $table (somename, somedate) VALUES (:name, :date)";
// parameters:
// 1) the query (notice we are using named parameters, but we could also use ? instead
// 2) types of the placeholders (either keyed numerically in order or by name)
// 3) MDB2_PREPARE_MANIP denotes a DML statement
$stmt = $mdb2->prepare($query, array('text', 'date'), MDB2_PREPARE_MANIP);
if (PEAR::isError($stmt)) {
die($stmt->getMessage());
}
// load Date helper class
MDB2::loadFile('Date');
$stmt->execute(array('name' => 'hello', 'date' => MDB2_Date::mdbToday()));
// get the last inserted id
echo 'last insert id: ';
var_dump($mdb2->lastInsertId($table, 'id'));
$stmt->execute(array('name' => 'world', 'date' => '2005-11-11'));
// get the last inserted id
echo 'last insert id: ';
var_dump($mdb2->lastInsertId($table, 'id'));
// load Iterator implementations
MDB2::loadFile('Iterator');
$query = 'SELECT * FROM '.$table;
// parameters:
// 1) the query
// 2) true means MDB2 tries to determine the result set type automatically
// 3) true is the default and means that internally a MDB2_Result instance should be created
// 4) 'MDB2_BufferedIterator' means the MDB2_Result should be wrapped inside an SeekableIterator
$result = $mdb2->query($query, true, true, 'MDB2_BufferedIterator');
// iterate over the result set
foreach ($result as $row) {
echo 'output row:<br>';
var_dump($row);
}
// call drop table, since dropTable is not implemented in our instance
// but inside the loaded Manager module __call() will find it there and
// will redirect the call accordingly
// we could also have done:
// $mdb2->manager->dropTable($table); or
// $mdb2->mgDropTable($table);
$mdb2->dropTable($table);
?>
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