hat you have a valid month/year. For example, if
you submit 13 as the month, the year will increment and the month will
become January:</p>
<div class="highlight-ci"><div class="highlight"><pre><span class="nb">print_r</span><span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">calendar</span><span class="o">-&gt;</span><span class="na">adjust_date</span><span class="p">(</span><span class="mi">13</span><span class="p">,</span> <span class="mi">2014</span><span cl