Create thumbnail using PHP GD library

The following PHP code will create thumbnail images on the fly and since it uses the PHP GD2 library, you will need an installation of PHP with at least GD 2.0.1 enabled. This is a very simple script and very easy to customize.

While creating an image gallery you can use this script to dynamically create Thumbnails.

Create thumbnail using php

<?php
header("Content-type: image/jpeg");
$image = $_GET&#91;'thumimg'&#93;;
$w = $_GET&#91;'w'&#93;;
$h = $_GET&#91;'h'&#93;;
if(!isset($w) && !isset($h)){
 $w = 110; //default width if $w is not set
 $h = 135; //default height if $h is not set
}
$x = @getimagesize($image);// get image size
$sw = $x&#91;0&#93;;// width
$sh = $x&#91;1&#93;;// height
$im = @ImageCreateFromJPEG ($image) or // Read JPEG Image
$im = false; // If image is not JPEG


if (!$im)
 readfile($image);// return the actual message if error occurs.
else {
// Create the resized image destination
   $thumb = @ImageCreateTrueColor ($w, $h);
// Copy from image source, resize it, and paste to image destination
   @ImageCopyResampled ($thumb, $im, 0, 0, 0, 0, $w, $h, $sw, $sh);
// Output resized image
   @ImageJPEG ($thumb);
}
?>

Save the above code as create_thumb.php.

http://www.<YOURWEBSITE>.com/create_thumb.php?thumimg=example.jpg

<img src="http://www.<YOURWEBSITE>.com/create_thumb.php?thumimg=example.jpg">

http://www.<YOURWEBSITE>.com/create_thumb.php?thumimg=example.jpg&w=100&h=100

<img src="http://www.<YOURWEBSITE>.com/create_thumb.php?thumimg=example.jpg&w=100&h=100">

Incoming search terms:

• mail adk-gd com cn (4)
• [email protected] com cn loc:US (1)
• mail adk-gd com cn loc:US (1)