sastgroup.com - Tutorials guide scripts web tool

< ?php
 
$imageSrc = (string)$_GET['image'];
 
$width = $_GET['width'];
 
if (is_numeric($width) && isset($imageSrc)){
 
header('Content-type: image/jpeg');
 
makeThumb($imageSrc, $width);
 
}
 
function makeThumb($src,$newWidth) {
 
$srcImage = imagecreatefromjpeg($src);
 
$width = imagesx($srcImage);
 
$height = imagesy($srcImage);
 
$newHeight = floor($height*($newWidth/$width));
 
$newImage = imagecreatetruecolor($newWidth,$newHeight);
 
imagecopyresized($newImage,$srcImage,0,0,0,0,$newWidth,$newHeight,$width,$height);
 
imagejpeg($newImage);
 
}
 
?>
 

Utilizzo:

<img src=”thumbnail.php?image=thumbnail.jpg&width=100” />