title: PHP add 1 month to date
body: <p>I've a function that returns url of 1 month before.</p>
  
  <p>I'd like to display current selected month, but I cannot use simple current month, cause when user clicks link to 1 month back selected month will change and will not be current.</p>
  
  <p>So, function returns August 2012</p>
  
  <p>How do I make little php script that adds 1 month to that?</p>
  
  <p>so far I've:</p>
  
  <pre><code>&lt;?php echo strip_tags(tribe_get_previous_month_text()); ?&gt;
  </code></pre>