Create Clock Image Using PHP

<?php
header(“Content-type: image/gif”);
$imSize        =    256;
$clockSize        =    $imSize – 8;
$today        =    getdate();
$hour            =    $today[hours];
$minutes        =    $today[minutes];
$seconds        =    $today[seconds];
if ($hour >= 12)
{
$hour    -=    12;
}
$hourDegress    =    $hour * 30;
$hourDegress    +=    $minutes / 2;
$minDegress    =    $minutes * 6;
//*    the cordinate system stars at 3:00
$hourDegress    -=    90;
if ($hourDegress < 0)
{
$hourDegress    +=    360;
}
$minDegress    -=    90;
if ($minDegress < 0)
{
$minDegress    +=    360;
}
//*    convert to radians
$hourRadians    =    $hourDegress / 57.295779513082;
$minRadians    =    $minDegress / 57.295779513082;
$myImage        =    ImageCreate($imSize, $imSize);
$white        =    ImageColorAllocate($myImage, 255, 255, 255);
$black        =    ImageColorAllocate($myImage, 0, 0, 0);
//    $red            =    ImageColorAllocate($myImage, 255, 0, 0);
//    $green        =    ImageColorAllocate($myImage, 0, 255, 0);
$blue            =    ImageColorAllocate($myImage, 0, 0, 255);
ImageFill($myImage, 0, 0, $blue);
Imageinterlace($myImage, 1);
//*    draw the clock circle
Imagearc($myImage, $imSize/2, $imSize/2, $clockSize, $clockSize, 0, 359, $white);
//*    draw the hour hand
$hourHandLen    =    ($clockSize / 2) * 0.6;
$x2                =    $imSize/2 + ($hourHandLen * cos($hourRadians));
$y2                =    $imSize/2 + ($hourHandLen * sin($hourRadians));
ImageLine($myImage, $imSize/2, $imSize/2, $x2, $y2, $white);
//*    draw the minute hand
$minHandLen        =    ($clockSize / 2) * 0.9;
$x2                =    $imSize/2 + ($minHandLen * cos($minRadians));
$y2                =    $imSize/2 + ($minHandLen * sin($minRadians));
ImageLine($myImage, $imSize/2, $imSize/2, $x2, $y2, $white);
if ($minutes < 10)
{
$minutes    =    “0$minutes”;
}
Imagestring($myImage, 3, 5, $imSize – 15, ($hour . “:” . $minutes), $white);
Imagegif($myImage);
Imagedestroy($myImage);
?>