Simple URL Shortener in PHP

index.php

<?php

// load the links & Slugs from the file they're stored in
$links = parse_ini_file('links.ini');

// get the slug and remove any / characters
$slug = str_replace('/', '', $_SERVER['PATH_INFO']);

// check if the slug exists and if it corresponds to a link
if(isset($slug) && array_key_exists($slug, $links)){
	// get the link corresponding to the slug
	header('Location: ' . $links[$slug]);
} else {
	// just send them to the default page
	header('Location: ' . "http://www.ajayajaal.com");
}

links.ini

fb		= https://www.facebook.com/
twitter		= https://www.twitter.com/
github		= https://www.github.com/