index.php

  <?php
    
  

    
    function getCurrentUri()
    {
        $basepath = implode('/', array_slice(explode('/', $_SERVER['SCRIPT_NAME']), 0, -1)) . '/';
        $uri = substr($_SERVER['REQUEST_URI'], strlen($basepath));
        if (strstr($uri, '?')) $uri = substr($uri, 0, strpos($uri, '?'));
        $uri = '/' . trim($uri, '/');
        return $uri;
    }

    $base_url = getCurrentUri();
    $routes = array();
    $routes = explode('/', $base_url);
    foreach($routes as $route)
    {
        if(trim($route) != '')
            array_push($routes, $route);
    }

    /*
    Now, $routes will contain all the routes. $routes[0] will correspond to first route.
    For e.g. in above example $routes[0] is search, $routes[1] is book and $routes[2] is fitzgerald
    */

    
    if($routes[1] == "api")
    {
            require "api.php";
            apicall();
    }