Mam o to skrypt uploadu zdjęć który ma mozliwość zmniejszania zdjęć ale zmniejsza je o ileś procent no tyle ile ustalimy a chcialbym aby zmniejszał do danej wielkości czy mgłby mnie ktos nakierowac jak to mogę zrobic ?

[PHP] pobierz, plaintext 
<?php 
# Variable
$new_height = 0.5; // new height(1 is 100%, 0.1 is 10%)
$new_width = 0.5; // new width
$quality = 50; // quality(100 = 100%)
$folder = 'zdjecia/'; // folder with images
 
# Functions
//function give new random name for file
function unid(){
    while(substr($result, 0, 1) == 0){
        $number = md5 (uniqid (rand()));
        $vowels = array("a", "b", "c", "d", "e", "f", "g", "h", "i", "o", "u", "A", "E", "I", "O", "U");
        $onlyconsonants = str_replace($vowels, "", $number);
        $result = substr($onlyconsonants, 0, 7);
    }
    return $result;
}
 
function LoadJpeg($imgname, $new_height, $new_width)
{
    /* Attempt to open */
    $img = @imagecreatefromjpeg($imgname);
    
    /* See if it failed */
    if(!$img)
    {
    
        /* Create a black image */
        $img_mini  = imagecreatetruecolor(150, 30);
        $bgc = imagecolorallocate($img_mini, 255, 255, 255);
        $tc  = imagecolorallocate($img_mini, 0, 0, 0);
 
        imagefilledrectangle($img_mini, 0, 0, 150, 30, $bgc);
 
        /* Output an error message */
        imagestring($img_mini, 1, 5, 5, 'Error loading ' . $imgname, $tc);
    }
    else{
        $width  = imagesx($img);
        $height = imagesy($img);
        
        $width_mini = $width * $new_width;
        $height_mini = $height * $new_height;
        $img_mini = imagecreatetruecolor($width_mini, $height_mini);
        Imagecopyresampled($img_mini, $img, 0, 0, 0, 0, $width_mini , $height_mini, $width  , $height);
    }
 
    return $img_mini;
}
 
# MAIN 
if($_FILES['photo']){
    # uploading file to server
    if (is_uploaded_file($_FILES['photo']['tmp_name'])) {
        echo "Plik ". $_FILES['photo']['name'] ." zaladowany Poprawnie.\n";
        move_uploaded_file($_FILES['photo']['tmp_name'], $folder.$_FILES['photo']['name']);
    } else {
        echo "Upload Niewykonany Error: ";
        echo "Plik '". $_FILES['photo']['tmp_name'] . "'.";
    }
 
    # resizing image and saving new file on server
    $new_name = $folder.unid().'.jpg';
    while(file_exists($new_name)){
        $new_name = $folder.unid().'.jpg';
    }
    $img = LoadJpeg($folder.$_FILES['photo']['name'], $new_height, $new_width);
    imagejpeg($img, $new_name, $quality);
    
 
 
    # deleting old file
    imagedestroy($img);
    unlink($folder.$_FILES['photo']['name']);
 
}
else{
?>
Wgraj zdjecia:
 
    <form action="index.php?admin=upload" method="post" enctype="multipart/form-data">
    <input type="file" name="photo" />
    <input type="submit" value="wgraj" />
    </form>
<?php
}
?>
[PHP] pobierz, plaintext 

Zamiast

[PHP] pobierz, plaintext 
<?php
$width_mini = $width * $new_width;
$height_mini = $height * $new_height;
?>
[PHP] pobierz, plaintext 

wstaw

[PHP] pobierz, plaintext 
<?php
if ($new_width/$new_height > $width/$height) {
    $width_mini  = floor( $width/($height/$new_height) );
    $height_mini = $new_height;
} else {
    $width_mini  = $new_width;
    $height_mini = floor( $height/($width/$new_width) );
}
?>
[PHP] pobierz, plaintext 

I oczywiście na początku nadaj zmiennym $new_height oraz $new_width odpowiednie wartości.

Oczywiście "nexis" Pomógł za co bardzo dziękuję