entry_212_CA60CTF_2014-10-30_12-14-57.jpg

<?xml version="1.0"?>
<Incidents xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" Count="3" Date="2014-10-30" Time="12:14:57" FileName="2014-10-30_dones_Hillsborough_Leisure_Centre.xml">
  <Incident>
    <Contract>18</Contract>
    <SerialNo>0000000001</SerialNo>
    <EntryTime>2014-08-16T08:54:12</EntryTime>// want to group by this element
    <ExitTime>2014-08-16T17:03:51</ExitTime>
    <OffenceCode>80</OffenceCode>
    <Operator>2HR</Operator>
    <Registration>CA60CTF</Registration>
    <Location>Hillsborough Leisure Centre</Location>
    <Make>N/A</Make>
    <Model>N/A</Model>
    <Colour>N/A</Colour>
    <Comment>Entry Date: Saturday, 16 08 2014 on 08:54:12
Exit Date: Saturday, 16 08 2014 on 17:03:51</Comment>
    <Nationality>-1</Nationality>
    <Foreign>-1</Foreign>
    <Evidence>
      <FileName>entry_212_CA60CTF_2014-10-30_12-14-57.jpg</FileName>
      <FileDescription>Entry</FileDescription>
    </Evidence>
    <Evidence>
      <FileName>exit_212_CA60CTF_2014-10-30_12-14-57.jpg</FileName>
      <FileDescription>Exit</FileDescription>
    </Evidence>
    <Diplomatic>0</Diplomatic>
  </Incident>

if(file_exists($xmlFullFilename)) {
        $xmlDoc = new DomDocument();
        $xmlDoc->load($xmlFullFilename);
        $tmp = $xmlDoc->getElementsByTagName("Incidents");
        $root = $tmp->item(0);

        // Get the count
        $count = $root->getAttribute("Count");
        $count++;
        $root->setAttribute("Count", $count);



    }
    else {
        $xmlDoc = new DomDocument('1.0');
        logit("Created new DOM");
        $root = $xmlDoc->createElement("Incidents");
        $root->setAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
        $root->setAttribute("Count", "1");
        $root->setAttribute("Date", $today);
        $root->setAttribute("Time", $now);
        $root->setAttribute("FileName", $xmlFilename);

        $xmlDoc ->appendChild($root);
        $serialString = sprintf("%010d", 1);

    }


    logit("Creating XML entry");
    // Create a new entry
    $xmlDoc->formatOutput = true;
    $incident = $xmlDoc->createElement("Incident");
    $root->appendChild($incident);

    $tmp = split(" ", $entryTime);
    $dateString = $tmp[0] . "T" . $tmp[1];
    $entryTimeNode = $xmlDoc->createElement("EntryTime", $dateString);

eg:<EntryTime>2014-08-16T08:46:17</EntryTime>...

  $tmp = split(" ", $entryTime);
        $dateString = $tmp[0] . "T" . $tmp[1];
        $entryTimeNode = $xmlDoc->createElement("EntryTime", $dateString);