aliases.php Quake Alias API (JSON)

<?php
  header("Content-Type: text/plain");

  if (isset($_GET["steam_id"])) {
    $steam_id = $_GET["steam_id"];
  } else {
    die(json_encode(array("steam_id" => "PARAMETER NOT SPECIFIED")));
  }

  $database = new Redis();
  $database->connect("127.0.0.1", 6379);
  $database->select(0);

  if (strlen($steam_id) != 17) {
    die(json_encode(array($steam_id => "PARAMETER INVALID (NOT 17 DIGITS LONG)")));
  } elseif (!ctype_digit($steam_id)) {
    die(json_encode(array($steam_id => "PARAMETER INVALID (NOT OF TYPE INT)")));
  }

  try {
    $aliases = $database->lRange("minqlx:players:" . $steam_id, 0, -1);
  } catch (Exception $e) {
    die(json_encode(array($steam_id => "DB ERROR")));
  }

  if (empty($aliases)) {
    die(json_encode(array($steam_id => "ABSENT")));
  }

  print_r(json_encode(array($steam_id => "PRESENT")) . "\n");
  print_r(json_encode($aliases));

  $database->close();