title: Substr from end of string php?
body: <p>I have this kind of array, i will make it very simple to understand</p>
  
  <pre><code>$picture = ( 'artist2-1_thumb.jpg',
               'artist2-2.jpg' ,
               'artist2-3_thumb.jpg',
               'artist2-4.jpg',
               'artist2-5_thumb.jpg');
  </code></pre>
  
  <p>Now i want use substr to get new array that only have thumb, to have new array like this</p>
  
  <pre><code>$picturethumbs = ( 'artist2-1_thumb.jpg',
                     'artist2-3_thumb.jpg',
                     'artist2-5_thumb.jpg');
  </code></pre>
  
  <p>Can some substr but where to start?</p>