<php
$file = $_FILES['file']['tmp_name'];
$newfile = $_SERVER['DOCUMENT_ROOT'].'/pavel/testPHP/1/test2.jpg';

if (copy($file, $newfile)) {
    echo "Копирование прошло успешно";
}else{
echo "не удалось скопировать $file...\n";
}

$filename = $newfile;
$percent = 0.8;

list($width, $height) = getimagesize($filename);
$new_width = $width * $percent;
$new_height = $height * $percent;

$image_p = imagecreatetruecolor($new_width, $new_height);
$image = imagecreatefromjpeg($_SERVER['DOCUMENT_ROOT'].'/pavel/testPHP/1/test2.jpg');

imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
header('Content-type: image/jpeg');
imagejpeg($image_p, null, 100);
?>