How to Add WaterMark in Image using PHP

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In this tutorial i will show you how to WaterMark in image using PHP. WaterMark is like a label which is used on an image so easily implement uploaded image so find below code so you can easily understand. You may also like How to Display Text Over Image Using HTML And CSS.

HTML Code

<!DOCTYPE html>
<html>
    <body>

        <form method="post" action="" enctype="multipart/form-data">
            <input type="file" name="imageupload">
            <input type="submit" name="submit" value="upload">
        </form>

    </body>
</html>

PHP Code

<?php
if(isset($_POST['submit']))
{
  // Give the Complete Path of the folder where you want to save the image	
  $folder="images/";
  move_uploaded_file($_FILES["imageupload"]["tmp_name"], "$folder".$_FILES["imageupload"]["name"]);
  $file='images/'.$_FILES["imageupload"]["name"];

  $uploadimage=$folder.$_FILES["imageupload"]["name"];
  $newname=$_FILES["imageupload"]["name"];

  // Set the thumbnail name
  $thumbnail = $folder.$newname."_thumbnail.jpg"; 
  $actual = $folder.$newname.".jpg";
  $imgname=$newname."_thumbnail.jpg";

  // Load the mian image
  $source = imagecreatefromjpeg($uploadimage);

  // load the image you want to you want to be watermarked
  $watermark = imagecreatefrompng('images/watermark.png');

  // get the width and height of the watermark image
  $water_width = imagesx($watermark);
  $water_height = imagesy($watermark);

  // get the width and height of the main image image
  $main_width = imagesx($source);
  $main_height = imagesy($source);

  // Set the dimension of the area you want to place your watermark we use 0
  // from x-axis and 0 from y-axis 
  $dime_x = 0;
  $dime_y = 0;

  // copy both the images
  imagecopy($source, $watermark, $dime_x, $dime_y, 0, 0, $water_width, $water_height);

  // Final processing Creating The Image
  imagejpeg($source, $thumbnail, 100);
}
?>
<?php
if(!empty($imgname))
{ ?>
<img src='images/<?php echo $imgname;?>'>
<?php     
}
?>