Doo.php

<?php

function DB($query)
{
	static $db = null;
	static $result = array();

	if (is_file($query) === true)
	{
		$db = new PDO('sqlite:' . $query, null, null, array(PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING));
	}

	else if (is_a($db, 'PDO') === true)
	{
		$hash = md5($query);

		if (empty($result[$hash]) === true)
		{
			$result[$hash] = $db->prepare($query);
		}

		if (is_a($result[$hash], 'PDOStatement') === true)
		{
			if ($result[$hash]->execute(array_slice(func_get_args(), 1)) === true)
			{
				if (stripos($query, 'INSERT') === 0)
				{
					return $db->lastInsertId();
				}

				if (stripos($query, 'SELECT') === 0)
				{
					return $result[$hash]->fetchAll(PDO::FETCH_ASSOC);
				}

				return $result[$hash]->rowCount();
			}
		}

		return false;
	}

	return true;
}

function Route($route, $class, $method, $on = null)
{
	$on = (empty($on) === true) ? $_SERVER['REQUEST_METHOD'] : $on;
	$route = (empty($route) === true) ? $_SERVER['SCRIPT_NAME'] : $route;

	if (strcasecmp($on, $_SERVER['REQUEST_METHOD']) === 0)
	{
		$matches = array();

		if (preg_match('~' . rtrim($route, '/') . '$~i', rtrim($_SERVER['PHP_SELF'], '/'), $matches) > 0)
		{
			exit(call_user_func_array(array(Singleton($class), $method), array_slice($matches, 1)));
		}
	}

	return false;
}

function Singleton($object)
{
	static $result = array();

	if (class_exists($object, false) === true)
	{
		if (array_key_exists($object, $result) === false)
		{
			$result[$object] = new $object();
		}

		return $result[$object];
	}

	else if (is_file($object . '.php') === true)
	{
		$class = basename($object);

		if (array_key_exists($class, $result) === false)
		{
			if (class_exists($class, false) === false)
			{
				require($object . '.php');
			}

			$result[$class] = new $class();
		}

		return $result[$class];
	}

	return false;
}

function View($view)
{
	if (is_file($view . '.php') === true)
	{
		$arguments = array_slice(func_get_args(), 1);

		foreach ($arguments as $argument)
		{
			if (is_array($argument) === true)
			{
				extract($argument, EXTR_OVERWRITE);
			}
		}

		require($view . '.php');
	}
}

?>