upload resize image in need of help

[acrayne]

Hi,
I am working on a image upload and resize form/script. I have the upload working fine. I am now working on screwing it up, errr I mean resizeing. Ultimatly what I want to do is upload one image, and run the script to generate a large, medium, and small/thumbnail versions, and attach to a db. I have started simple, I got the upload to work and attach the location to my db, now what I am trying to do is have the script resize the image once, and save the original. I can admit I am lost, I have botched together diff scripts snippets from here and there, read the manual, and I keep getting dumber and making a bigger mess of the code. If (in between laughing fits at my mess) someone could push me in the right direction I would appreciate it.

<?php

$path = "../images/";
$max_size = 100000000;

if (!isset($HTTP_POST_FILES['userfile'])) exit;

if (is_uploaded_file($HTTP_POST_FILES['userfile']['tmp_name'])) {

$img = $HTTP_POST_FILES['userfile']['tmp_name'];

// resize function

function thumbnail($i,$nw,$p,$nn) {
    $img=imagecreatefromjpeg("$i");
    $ow=imagesx($img);
    $oh=imagesy($img);
    $scale=$nw/$ow;
    $nh=ceil($oh*$scale);
    $newimg=imagecreate($nw,$nh);
    imagecopyresized($newimg,$img,0,0,0,0,$nw,$nh,$ow,$oh);
    imagejpeg($newimg, $p.$nn);
    return true;
}

#thumbnail(filetouse,newwidth,newpath,newname);
thumbnail("../images/$img",100,"/images/thumbnails/","_thmb.jpg");

if ($HTTP_POST_FILES['userfile']['size']>$max_size) { echo "The file is too big<br>\n"; exit; }
if (($HTTP_POST_FILES['userfile']['type']=="image/png")
||($HTTP_POST_FILES['userfile']['type']=="image/pjpeg")
||($HTTP_POST_FILES['userfile']['type']=="image/jpeg")) {

if (file_exists($path . $HTTP_POST_FILES['userfile']['name'])) { echo "The file already exists<br>\n"; exit; }

$res = copy($HTTP_POST_FILES['userfile']['tmp_name'], $path .
$HTTP_POST_FILES['userfile']['name']);

if (!$res) { echo "upload failed!<br>\n"; exit; } else { echo "upload sucessful<br>\n"; }

echo "File Name: ".$HTTP_POST_FILES['userfile']['name']."<br>\n";
echo "File Size: ".$HTTP_POST_FILES['userfile']['size']." bytes<br>\n";
echo "File Type: ".$HTTP_POST_FILES['userfile']['type']."<br>\n";
} else { echo "Wrong file type<br>\n"; exit; }

}

//insert record into table
require ("../connect.php");

$img_full = $HTTP_POST_FILES['userfile']['name'];

$sql = "INSERT INTO port_images (invID,img_full,img_large,img_medium,img_small) VALUES
('7','$img_full','$img_large','$img_medium','$img_small')";
?>

[Mark]

check this out.
http://sourceforge.net/projects/phpix3/

[Mark]

or
http://www.devarticles.com/art/1/205

[BeastRider]

check out

imagecopyresized and imagecopyresampled in the php.net docs

[matt_4013]

	function thumbnail($sImage, $iNewWidth, $sPath, $sFileName) {

	// This gets image size, type, etc.
	$aImageDet = getimagesize($sImage);

	if($aImageDet[2] != 2) {

		// If it's not jpeg return false
		return false;
	}

	$fScale = $aImageDet[0]/$aImageDet[1];

	$iNewHeight = ceil($iNewWidth * $fScale);

	$idSrcImg = imagecreatefromjpeg($sImage);
	$idDstImg = imagecreate($iNewWidth, $iNewHeight);

	imagecopyresized($idDstImg, $idSrcImg, 
			 0,0,0,0, $iNewWidth, $iNewHeight,
			 $aImageDet[0], $aImageDet[1]);

	imagejpeg($idDstImg, $sPath.$sFileName);
	return true;
}

Then call it like this:

if(!thumbnail($_FILES['userfile']['tmp_name'], 100, "/var/www/html/thumbs/", "imagename.jpg"))

echo "ERRRRRRRRRRRROR!";
}