PHP - %.2f In Printf

Hello, Well let me explain my problem to you guys.

I am using a printf function with an array, a custom function which i got off php.net

Anyways, Everytime I use it, It seems to leave random numbers at the end of the string for no reason at all.

Here is the result in source:
Code: [Select]
<td><a href="?page=download&name=DarkRP">DarkRP</a></td>
      <td>08:10:17 AM 07/08/2010</td>
      <td>Updated DarkRP from revision: 670 to revision: 67150</td>
      Array
(
    [Name] => DarkRP
    [TimeStamp] => 1281186617
    [Revision1] => 670
    [Revision2] => 671
)
    </tr>It is mean't to show Code: [Select]
Updated DarkRP from revision: 670 to revision 671but instead it has the random number 50 at the end for no reason...

Anyways heres the echoing code:

<?php
foreach($Logs as $Log){
$Time = TimeToDate($Log['TimeStamp']);
if($Log['Revision1']&$Log['Revision2']){
     $Message = 'Updated %1$s from revision: %3$s to revision: %4$d';
}else{
     $Message = 'Freshly downloaded: %1$s revision: %3$d';
}
?>
    <tr>
      <td><?php echo '<a href="?page=download&name='. $Log['Name'] .'">'. $Log['Name'] .'</a>'; ?></td>
      <td><?php echo $Time['Time'] .' '. $Time['Date']; ?></td>
      <td><?php echo printf_array($Message, $Log); ?></td>
      <?php print_r($Log); ?>
    </tr>
<?php
    }
?>
  </table>
  <br />

Functions:

function MySQLGetLogs(){
    global $Connection;
    if($Connection){
        $Query = sprintf('SELECT name, timestamp, revision1, revision2 FROM update_logs ORDER BY timestamp DESC;');
        if($Result = mysql_query($Query)){
            $Array = array();
            while($Row = mysql_fetch_array($Result)){
            $Array2 = array(array(
                                  'Name' => $Row['name'],
                                  'TimeStamp' => $Row['timestamp'],
                                  'Revision1' => $Row['revision1'],
                                  'Revision2' => $Row['revision2']
                                 )
                           );
                $Array = array_merge($Array, $Array2);
            }
            mysql_free_result($Result);
            return $Array;
        }
    }
}

function printf_array($Format, $Array) { 
    return call_user_func_array('printf', array_merge((array)$Format, $Array)); 
}

Also, I got the same issue with printf alone instead of the custom array function above.

Quick question regarding the printf function.

I understand that printf will print a formatted string for example:

Code: [Select]
$mystring = printf('%.1f', 1.2); //Will output 1.2
However I don't understand why if I then print $mystring the result is 3

Example:
Code: [Select]
$mystring = printf('%.1f', 1.2); //prints 1.2
echo "<br><br>";
echo $mystring  //Prints 3
Please could someone explain how this works?

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