force all urls to use one file and get last segment of url

.htaccess

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [PT,L,QSA]

index.php

  $url = $_SERVER['REQUEST_URI'];
  $queueID = basename(parse_url($url, PHP_URL_PATH));