mbernson/Prul.php

## index.php
<!doctype html>

<title>Prul</title>

<h1><a href="/">Prul</a></h1>

<ul>
	<li><a href="/">Index</a></li>
	<li><a href="/test/">Test</a></li>
</ul>

<?php
include 'lib/Prul.php';

Prul::get( '/' )->respond(function(){ // Respond with an anonymous function.
	return '<p>Homepage.</p>';
});

// This will call the function "submit_form", if it exists.
Prul::post( '/hallo' )->respond( 'submit_form' );

Prul::get( '/page/:id' )->respond( function( $page_id ){

} );

// These won't do anything.
Prul::get( '' );
Prul::get( '/whut' );

## Prul.php
<?php
include_once 'PrulRoute.php';
include_once 'PrulException.php';

class Prul
{
	protected static $routes = array();

	const GET = 'GET';
	const POST = 'POST';
	const PUT = 'PUT';
	const DELETE = 'DELETE';

	private function __construct(){}

	public static function getInstance()
	{
		if( ! Prul::$instance instanceof self )
		{
			Prul::$instance = new self();
		}
		return self::$instance;
	}

	public static function getRoute( $url )
	{
		return new PrulRoute( $url );
	}

	public static function isRequest( $request )
	{
		if( $_SERVER['REQUEST_METHOD'] === $request )
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	/**
	 * is function.
	 * Alias to isRequest.
	 * @access public
	 * @static
	 * @param mixed $r
	 * @return void
	 */
	public static function is( $r )
	{
		return self::isRequest( $r );
	}

	public static function matches( $url )
	{
		if( $_SERVER['REQUEST_URI'] === $url )
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	private static function addRoute( PrulRoute $route )
	{
		$this->routes[ $route->getURL() ] = $route;
	}

	/*
	 *
	 */
	public static function get( $url )
	{
		$r = self::getRoute( $url );
		$r->setMethod( self::GET );

		self::$routes[] = $r;

		return $p;
	}

	public static function post( $url )
	{}

	public static function put( $url )
	{}

	public static function delete( $url )
	{}
}

## PrulException.php
<?php
class PrulException extends Exception
{}

## PrulRoute.php
<?php
include_once 'PrulException.php';

/**
 * PrulRoute
 */
class PrulRoute
{
	private $_url = '';
	private $_method = Prul::GET;

	public function __construct( $url = '' )
	{
		$this->_url = $url;
	}

	public function respond( $something = null )
	{
		if( Prul::is( $this->_method ) and Prul::matches( $this->_url ) )
		{
			$this->output( $something );
		}
	}

	private function output( $something )
	{
		if( is_callable( $something ) )
		{
			return call_user_func( $something );
		}
		elseif( is_string( $something ) )
		{
			echo $something;
		}

		return null;
	}

	/**
	 * setMethod
	 * Sets the HTTP request method for this route.
	 *
	 * @access public
	 * @param $method
	 * @return void
	 */
	public function setMethod( $method )
	{
		$this->_method = $method;
	}

	public function getMethod()
	{
		return $this->_method;
	}

	public function setURL( $url )
	{
		$this->_url = $url;
	}

	public function getURL()
	{
		return $this->_url;
	}
}
	<!doctype html>

	<title>Prul</title>

	<h1><a href="/">Prul</a></h1>

	<ul>
	<li><a href="/">Index</a></li>
	<li><a href="/test/">Test</a></li>
	</ul>

	<?php
	include 'lib/Prul.php';

	Prul::get( '/' )->respond(function(){ // Respond with an anonymous function.
	return '<p>Homepage.</p>';
	});

	// This will call the function "submit_form", if it exists.
	Prul::post( '/hallo' )->respond( 'submit_form' );

	Prul::get( '/page/:id' )->respond( function( $page_id ){

	} );

	// These won't do anything.
	Prul::get( '' );
	Prul::get( '/whut' );
	<?php
	include_once 'PrulRoute.php';
	include_once 'PrulException.php';

	class Prul
	{
	protected static $routes = array();

	const GET = 'GET';
	const POST = 'POST';
	const PUT = 'PUT';
	const DELETE = 'DELETE';

	private function __construct(){}

	public static function getInstance()
	{
	if( ! Prul::$instance instanceof self )
	{
	Prul::$instance = new self();
	}
	return self::$instance;
	}

	public static function getRoute( $url )
	{
	return new PrulRoute( $url );
	}

	public static function isRequest( $request )
	{
	if( $_SERVER['REQUEST_METHOD'] === $request )
	{
	return true;
	}
	else
	{
	return false;
	}
	}

	/**
	* is function.
	* Alias to isRequest.
	* @access public
	* @static
	* @param mixed $r
	* @return void
	*/
	public static function is( $r )
	{
	return self::isRequest( $r );
	}

	public static function matches( $url )
	{
	if( $_SERVER['REQUEST_URI'] === $url )
	{
	return true;
	}
	else
	{
	return false;
	}
	}

	private static function addRoute( PrulRoute $route )
	{
	$this->routes[ $route->getURL() ] = $route;
	}

	/*
	*
	*/
	public static function get( $url )
	{
	$r = self::getRoute( $url );
	$r->setMethod( self::GET );

	self::$routes[] = $r;

	return $p;
	}

	public static function post( $url )
	{}

	public static function put( $url )
	{}

	public static function delete( $url )
	{}
	}
	<?php
	include_once 'PrulException.php';

	/**
	* PrulRoute
	*/
	class PrulRoute
	{
	private $_url = '';
	private $_method = Prul::GET;

	public function __construct( $url = '' )
	{
	$this->_url = $url;
	}

	public function respond( $something = null )
	{
	if( Prul::is( $this->_method ) and Prul::matches( $this->_url ) )
	{
	$this->output( $something );
	}
	}

	private function output( $something )
	{
	if( is_callable( $something ) )
	{
	return call_user_func( $something );
	}
	elseif( is_string( $something ) )
	{
	echo $something;
	}

	return null;
	}

	/**
	* setMethod
	* Sets the HTTP request method for this route.
	*
	* @access public
	* @param $method
	* @return void
	*/
	public function setMethod( $method )
	{
	$this->_method = $method;
	}

	public function getMethod()
	{
	return $this->_method;
	}

	public function setURL( $url )
	{
	$this->_url = $url;
	}

	public function getURL()
	{
	return $this->_url;
	}
	}