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16 years ago
If the script should resize and save thumb I use this simple code:



<?php

/**

 * Make thumbs from JPEG, PNG, GIF source file

 *

 * $tmpname = $_FILES['source']['tmp_name'];    

 * $size - max width size

 * $save_dir - destination folder

 * $save_name - tnumb new name

 * 

 * Author:  LEDok - http://www.citadelavto.ru/

 */



function img_resize( $tmpname, $size, $save_dir, $save_name )

    {

    $save_dir .= ( substr($save_dir,-1) != "/") ? "/" : "";

        $gis       = GetImageSize($tmpname);

    $type       = $gis[2];

    switch($type)

        {

        case "1": $imorig = imagecreatefromgif($tmpname); break;

        case "2": $imorig = imagecreatefromjpeg($tmpname);break;

        case "3": $imorig = imagecreatefrompng($tmpname); break;

        default:  $imorig = imagecreatefromjpeg($tmpname);

        } 



        $x = imageSX($imorig);

        $y = imageSY($imorig);

        if($gis[0] <= $size)

        {

        $av = $x;

        $ah = $y;

        }

            else

        {

            $yc = $y*1.3333333;

            $d = $x>$yc?$x:$yc;

            $c = $d>$size ? $size/$d : $size;

              $av = $x*$c;        //высота исходной картинки

              $ah = $y*$c;        //длина исходной картинки

        }    

        $im = imagecreate($av, $ah);

        $im = imagecreatetruecolor($av,$ah);

    if (imagecopyresampled($im,$imorig , 0,0,0,0,$av,$ah,$x,$y))

        if (imagejpeg($im, $save_dir.$save_name))

            return true;

            else

            return false;

    }



?>



And now how using this function fast



<?php

if ($_POST[pic])

{

$tmpname  = $_FILES['pic']['tmp_name'];

@img_resize( $tmpname , 600 , "../album" , "album_".$id.".jpg");

@img_resize( $tmpname , 120 , "../album" , "album_".$id."_small.jpg");

@img_resize( $tmpname , 60 , "../album" , "album_".$id."verysmall.jpg");

}

else

echo "No Images uploaded via POST";

?>
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