Уменить размер загруженной картинки

$images_arr = array();
    foreach($_FILES['images']['name'] as $key=>$val){
        $image_name = $_FILES['images']['name'][$key];
        $tmp_name   = $_FILES['images']['tmp_name'][$key];
        $size       = $_FILES['images']['size'][$key];
        $type       = $_FILES['images']['type'][$key];
        $error      = $_FILES['images']['error'][$key];
        
        ############ Remove comments if you want to upload and stored images into the "uploads/" folder #############
        
        
        
        $target_dir = "uploads/";
        $target_file = $target_dir.$_FILES['images']['name'][$key];
        
        $filename = $target_file;
 
// Set a maximum height and width
$width = 150;
$height = 100;
 
// Content type
header('Content-type: image/jpeg');
 
// Get new dimensions
list($width_orig, $height_orig) = getimagesize($filename);
 
$ratio_orig = $width_orig/$height_orig;
 
if ($width/$height > $ratio_orig) {
    $width = $height*$ratio_orig;
} else {
    $height = $width/$ratio_orig;
}
 
// Resample
$image_p = imagecreatetruecolor($width, $height);
$image = imagecreatefromjpeg($filename);
imagecopyresampled($image_p, $image, 0, 0, 0, 0,
                   $width, $height, $width_orig, $height_orig);
 
// Output
$newimg = imagejpeg($image_p, null, 100);
 
        if(move_uploaded_file($newimg,$target_dir.$newimg )){
            $images_arr[] = $target_file;
            
            
            
        }
        
        
    }