Hello everyone this article I would like to share about how to create image watermark in php when you upload image.
1. File structuse
- uploads (folder name uploads)
- watermark.php
2. watermark.php
Start create function water and form for upload image
<pre><code>
<?php
/* Creating Simple Water in PHP
* Author : Youlay HONG
*/
$image_path = "the-tech-blog.png";
$font_path = "GILSANUB.TTF";
$font_size = 30; // in pixcels
//$water_mark_text_1 = "9";
$water_mark_text_2 = "Web Develop Sharing";
function watermark_image($oldimage_name, $new_image_name){
global $image_path;
list($owidth,$oheight) = getimagesize($oldimage_name);
$width = $height = 400;
$im = imagecreatetruecolor($width, $height);
$img_src = imagecreatefromjpeg($oldimage_name);
imagecopyresampled($im, $img_src, 0, 0, 0, 0, $width, $height, $owidth, $oheight);
$watermark = imagecreatefrompng($image_path);
list($w_width, $w_height) = getimagesize($image_path);
$pos_x = $width - $w_width;
$pos_y = $height - $w_height;
imagecopy($im, $watermark, $pos_x, $pos_y, 0, 0, $w_width, $w_height);
imagejpeg($im, $new_image_name, 100);
imagedestroy($im);
unlink($oldimage_name);
return true;
}
function watermark_text($oldimage_name, $new_image_name){
global $font_path, $font_size, $water_mark_text_1, $water_mark_text_2;
list($owidth,$oheight) = getimagesize($oldimage_name);
$width = $height = 400;
$image = imagecreatetruecolor($width, $height);
$image_src = imagecreatefromjpeg($oldimage_name);
imagecopyresampled($image, $image_src, 0, 0, 0, 0, $width, $height, $owidth, $oheight);
// $black = imagecolorallocate($image, 0, 0, 0);
$blue = imagecolorallocate($image, 79, 166, 185);
// imagettftext($image, $font_size, 0, 30, 190, $black, $font_path, $water_mark_text_1);
imagettftext($image, $font_size, 0, 68, 190, $blue, $font_path, $water_mark_text_2);
imagejpeg($image, $new_image_name, 100);
imagedestroy($image);
unlink($oldimage_name);
return true;
}
$demo_image= "";
if(isset($_POST['createmark']) and $_POST['createmark'] == "Submit"){
$path = "uploads/";
$valid_formats = array("jpg", "bmp","jpeg");
$name = $_FILES['imgfile']['name'];
if(strlen($name))
{
list($txt, $ext) = explode(".", $name);
if(in_array($ext,$valid_formats)&& $_FILES['imgfile']['size'] <= 256*1024)
{
$upload_status = move_uploaded_file($_FILES['imgfile']['tmp_name'], $path.$_FILES['imgfile']['name']);
if($upload_status){
$new_name = $path.time().".jpg";
if(watermark_text($path.$_FILES['imgfile']['name'], $new_name))
$demo_image = $new_name;
}
}
else
$msg="File size Max 256 KB or Invalid file format supports .jpg and .bmp";
}
}
?>
<html>
<head>
<title>PHP Text Watermark </title>
<style type="text/css">
body{ width:800px; margin: 15px auto; padding:0px; font-family: arial}
</style>
</head>
<body>
<h1>Simple Image WaterMark</h1>
<form name="imageUpload" id="imageUpload" method="post" enctype="multipart/form-data" >
<fieldset>
&