title: Current month Minus 1 month
body: <p>How do i properly minus 1 month for the current month ?</p>
  
  <pre><code>$current_month1  = date('m'); 
  $current_month  = $current_month1-1;
  echo $current_month;
  
  //current ouput
  6
  //desired output
  06
  </code></pre>