//snippet starts <?php function createThumbnail($imageDirectory, $imageName, $thumbDirectory, $thumbWidth, $quality){ $details = getimagesize(“$imageDirectory/$imageName”) or die(‘Please only upload Images.’); $type = preg_replace(‘@^.+(?<=/)(.+)$@’, ‘$1’, $details[‘mime’]); eval(‘$srcImg = imagecreatefrom’.$type.'(“$imageDirectory/$imageName”);’); $thumbHeight = $details[1] * ($thumbWidth / $details[0]); $thumbImg = imagecreatetruecolor($thumbWidth, $thumbHeight); imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $details[0], $details[1]); eval(‘image’.$type.'($thumbImg, “$thumbDirectory/$imageName”‘. (($type==’jpeg’)?’, $quality’:”).’);’); imagedestroy($srcImg); imagedestroy($thumbImg); } foreach ($_FILES[“pictures”][“error”] as $key => $error) { if ($error == UPLOAD_ERR_OK) { $tmp_name = $_FILES[“pictures”][“tmp_name”][$key]; $name = $_FILES[“pictures”][“name”][$key]; move_uploaded_file($tmp_name, “data/$name”); createThumbnail(“/location/of/main/image”, $name, “/location/to/store/thumb”, 120, 80); //120 = thumb width :: 80 = thumb quality (1-100) } } ?> //snippet ends Continue reading Create an image thumbnail on upload