>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #2172391. --> Reported by: [guy_schneerson](https://www.drupal.org/user/755184) >>> <p>It is difficult to allow for every eventuality and a hook will allow making changes to the array holding the delivery time slots.<br> The hook_commerce_delivery_times_alter() will be triggered once the entire slots array is loaded and will allow custom modules to make changes to that array.<br> it will allow for the following:</p> <ul> <li>Removing complete days</li> <li>Clearing individual time slots</li> <li>Changing the number of delivery time slots available</li> <li>Change the display</li> </ul> <p>extract of the array:</p> <pre><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br></span><span style="color: #007700">Array<br>(<br>&nbsp;&nbsp;&nbsp; [</span><span style="color: #0000BB">2014</span><span style="color: #007700">-</span><span style="color: #0000BB">01</span><span style="color: #007700">-</span><span style="color: #0000BB">14</span><span style="color: #007700">] =&gt; Array<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [</span><span style="color: #0000BB">display</span><span style="color: #007700">] =&gt; </span><span style="color: #0000BB">Tomorrow</span><span style="color: #007700">&lt;</span><span style="color: #0000BB">br </span><span style="color: #007700">/&gt;&lt;</span><span style="color: #0000BB">span</span><span style="color: #007700">&gt;</span><span style="color: #0000BB">Tue 14</span><span style="color: #007700">/</span><span style="color: #0000BB">01</span><span style="color: #007700">&lt;/</span><span style="color: #0000BB">span</span><span style="color: #007700">&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [</span><span style="color: #0000BB">slots</span><span style="color: #007700">] =&gt; Array<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [</span><span style="color: #0000BB">06</span><span style="color: #007700">:</span><span style="color: #0000BB">00</span><span style="color: #007700">] =&gt; Array<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [</span><span style="color: #0000BB">deliveries</span><span style="color: #007700">] =&gt; </span><span style="color: #0000BB">10<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="color: #007700">[</span><span style="color: #0000BB">timestamp</span><span style="color: #007700">] =&gt; </span><span style="color: #0000BB">1389664800<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="color: #007700">[</span><span style="color: #0000BB">display</span><span style="color: #007700">] =&gt; </span><span style="color: #0000BB">06</span><span style="color: #007700">-</span><span style="color: #0000BB">08<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="color: #007700">)<br><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [</span><span style="color: #0000BB">08</span><span style="color: #007700">:</span><span style="color: #0000BB">00</span><span style="color: #007700">] =&gt; Array<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [</span><span style="color: #0000BB">deliveries</span><span style="color: #007700">] =&gt; </span><span style="color: #0000BB">10<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="color: #007700">[</span><span style="color: #0000BB">timestamp</span><span style="color: #007700">] =&gt; </span><span style="color: #0000BB">1389672000<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="color: #007700">[</span><span style="color: #0000BB">display</span><span style="color: #007700">] =&gt; </span><span style="color: #0000BB">08</span><span style="color: #007700">-</span><span style="color: #0000BB">10<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="color: #007700">)<br></span><span style="color: #0000BB">?&gt;</span></span></pre><p>Example of removing the 1'st of Jan from the time slots array:</p> <pre><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br></span><span style="color: #FF8000">/**<br>&nbsp;* Implements hook_commerce_delivery_times_alter().<br>&nbsp;*/<br></span><span style="color: #007700">function </span><span style="color: #0000BB">mymodule_commerce_delivery_times_alter</span><span style="color: #007700">(&amp;</span><span style="color: #0000BB">$timeslots</span><span style="color: #007700">) {<br>&nbsp; </span><span style="color: #0000BB">$d </span><span style="color: #007700">= </span><span style="color: #0000BB">date</span><span style="color: #007700">(</span><span style="color: #DD0000">"Y"</span><span style="color: #007700">) . </span><span style="color: #DD0000">'-01-01'</span><span style="color: #007700">;<br>&nbsp; if(isset(</span><span style="color: #0000BB">$timeslots</span><span style="color: #007700">[</span><span style="color: #0000BB">$d</span><span style="color: #007700">])) {<br>&nbsp;&nbsp;&nbsp; </span><span style="color: #FF8000">// Remove the day.<br>&nbsp;&nbsp;&nbsp; </span><span style="color: #007700">unset(</span><span style="color: #0000BB">$timeslots</span><span style="color: #007700">[</span><span style="color: #0000BB">$d</span><span style="color: #007700">]);<br>&nbsp; }<br>}<br></span><span style="color: #0000BB">?&gt;</span></span></pre>