zualex/simple-routes.html

## simple-routes.html
<!DOCTYPE html>
<html>

<body>
<?php
// Define routes
$routes = [
  '\/'             => function() { return '<a href="/hello">Click here for a greeting</a>'; },
  '\/hello'        => function() { return 'Hello world'; },
  '\/count\/(\d+)' => function($count) { return join("<br>", range(1,$count)); },
  '404'            => function() { return 'Page not found'; }
];
// Initialise the request, response and parameter list
$request = $_SERVER['REQUEST_URI'];
$response = false;
$parameters = array();
// Find a route and define the response
foreach($routes as $route=>$action) {
	if(preg_match('/^' . $route . '$/', $request, $matches)) {
		// throw away the full match at the start of the array
		$parameters = array_slice($matches,1);
		$response = $action;
	}
}
// If no route was found, use the 404 route as the response
if($response === false) {
	$response = $routes['404'];
}
// Output the response
echo call_user_func_array($response, $parameters);
?>
</body>

</html>
	<!DOCTYPE html>
	<html>

	<body>
	<?php
	// Define routes
	$routes = [
	'\/' => function() { return '<a href="/hello">Click here for a greeting</a>'; },
	'\/hello' => function() { return 'Hello world'; },
	'\/count\/(\d+)' => function($count) { return join("<br>", range(1,$count)); },
	'404' => function() { return 'Page not found'; }
	];
	// Initialise the request, response and parameter list
	$request = $_SERVER['REQUEST_URI'];
	$response = false;
	$parameters = array();
	// Find a route and define the response
	foreach($routes as $route=>$action) {
	if(preg_match('/^' . $route . '$/', $request, $matches)) {
	// throw away the full match at the start of the array
	$parameters = array_slice($matches,1);
	$response = $action;
	}
	}
	// If no route was found, use the 404 route as the response
	if($response === false) {
	$response = $routes['404'];
	}
	// Output the response
	echo call_user_func_array($response, $parameters);
	?>
	</body>

	</html>