title: IMDB Api, retrieve title and plot only.
body: <p>I found this site, that provides IMDB API: 
  <a href="http://www.omdbapi.com" rel="nofollow">http://www.omdbapi.com</a></p>
  
  <p>and for getting for example the hobbit's it's easy enough as this: 
  <a href="http://www.omdbapi.com/?i=tt0903624" rel="nofollow">http://www.omdbapi.com/?i=tt0903624</a></p>
  
  <p>Then I get all this information: </p>
  
  <pre><code>{"Title":"The Hobbit: An Unexpected Journey","Year":"2012","Rated":"11","Released":"14 Dec 2012","Runtime":"2 h 46 min","Genre":"Adventure, Fantasy","Director":"Peter Jackson","Writer":"Fran Walsh, Philippa Boyens","Actors":"Martin Freeman, Ian McKellen, Richard Armitage, Andy Serkis","Plot":"A curious Hobbit, Bilbo Baggins, journeys to the Lonely Mountain with a vigorous group of Dwarves to reclaim a treasure stolen from them by the dragon Smaug.","Poster":"http://ia.media-imdb.com/images/M/MV5BMTkzMTUwMDAyMl5BMl5BanBnXkFtZTcwMDIwMTQ1OA@@._V1_SX300.jpg","imdbRating":"9.2","imdbVotes":"5,666","imdbID":"tt0903624","Response":"True"}
  </code></pre>
  
  <p>The thing is that I only want for exmaple the title, the year and the plot information, and I wonder how I can only retrieve this. </p>
  
  <p>I want to use PHP. </p>