Get Cached Wordpress Tweet

gistfile1.php

<?php
function get_cached_tweet($name){
  $cache_name = $name . "_tweets";
  if ( false === ($tweet = get_transient($cache_name))) {
    // Get tweets
    $site = "https://api.twitter.com/1/statuses/user_timeline.json?screen_name=".$name."&count=1";
    $result = wp_remote_get($site);
    $json = $result['body'];

    if (!is_a($json, WP_Error)) {
      $tweet = json_decode($json);
    }

    set_transient($cache_name, $tweet, 600);
  }

  return $tweet;
}
?>