if?($_POST)?{
????//?No?image?
????if?(empty($_FILES['image'])?OR?$_FILES['image']['error']?!=?UPLOAD_ERR_OK)?{
????????die?('Invalid?image?uploaded.??Please?go?back?and?try?again.');
????}

????if?(empty($_POST['watermark']))?{
????????die('Please?enter?some?text?for?your?watermark.');
????}

????$imagepath?=?$_FILES['image']['tmp_name'];

????//?Load?image
????$image?=?open_image($imagepath);

????if?($image?==?false)?{
????????die?('You?uploaded?an?invalid?image.?Please?go?back?and?try?again.');
????}

????switch($_POST['color'])?{
????????case?'black':
????????????$color?=?imagecolorallocate($image,?0,?0,?0);
????????????break;
????????case?'red':
????????????$color?=?imagecolorallocate($image,?255,?0,?0);
????????????break;
????????case?'blue':
????????????$color?=?imagecolorallocate($image,?0,?0,?255);
????????????break;
????????case?'yellow':
????????????$color?=?imagecolorallocate($image,?255,?255,?0);
????????????break;
????????case?'green':
????????????$color?=?imagecolorallocate($image,?0,?255,?0);
????????????break;
????????case?'white':
????????default:
????????????$color?=?imagecolorallocate($image,?255,?255,?255);
????}

????//?Add?text?to?image
????imagestring($image,?3,?5,?imagesy($image)-20,?$_POST['watermark'],?$color);



????//?Display?image
????header('Content-type:?image/jpeg');
????imagejpeg($image);
????die();

}

//?Display?the?upload?form:
?>

????
????????

????
????????th?{?text-align:?right;?}
????

????

????
????????
????????
????????????
????????????????
????????????????
????????????

????????????
????????????????
????????????????
????????????

????????????
????????????????
????????????????
????????????

????????????
????????
????



function?open_image?($file)?{
????#?JPEG:
????$im?=?@imagecreatefromjpeg($file);
????if?($im?!==?false)?{?return?$im;?}

????#?GIF:
????$im?=?@imagecreatefromgif($file);
????if?($im?!==?false)?{?return?$im;?}

????#?PNG:
????$im?=?@imagecreatefrompng($file);
????if?($im?!==?false)?{?return?$im;?}

????#?GD?File:
????$im?=?@imagecreatefromgd($file);
????if?($im?!==?false)?{?return?$im;?}

????#?GD2?File:
????$im?=?@imagecreatefromgd2($file);
????if?($im?!==?false)?{?return?$im;?}

????#?WBMP:
????$im?=?@imagecreatefromwbmp($file);
????if?($im?!==?false)?{?return?$im;?}

????#?XBM:
????$im?=?@imagecreatefromxbm($file);
????if?($im?!==?false)?{?return?$im;?}

????#?XPM:
????$im?=?@imagecreatefromxpm($file);
????if?($im?!==?false)?{?return?$im;?}

????#?Try?and?load?from?string:
????$im?=?@imagecreatefromstring(file_get_contents($file));
????if?($im?!==?false)?{?return?$im;?}

????return?false;
}
?>

Image:
Text:
Text?Color:	???????????????????? ????????????????????????Black ????????????????????????White ????????????????????????Blue ????????????????????????Red ????????????????????????Yellow ????????????????????????Green???????????????????????? ???????????????????????????????????? ????????????????