function create_img($imgfile, $imgthumb, $newwidth, $newheight = "")
{
    if (image_check_memory_usage($imgfile, $newwidth, $newheight)) {
        require_once 'php_image_magician.php';
        $magicianObj = new imageLib($imgfile);
        $magicianObj->resizeImage($newwidth, $newheight, 'auto');
        $magicianObj->saveImage($imgthumb, 80);
        return true;
    } else {
        return false;
    }
}

function create_img($imgfile, $imgthumb, $newwidth, $newheight = "", $option = "crop")
{
    $timeLimit = ini_get('max_execution_time');
    set_time_limit(30);
    $result = false;
    if (image_check_memory_usage($imgfile, $newwidth, $newheight)) {
        require_once 'php_image_magician.php';
        $magicianObj = new imageLib($imgfile);
        $magicianObj->resizeImage($newwidth, $newheight, $option);
        $magicianObj->saveImage($imgthumb, 80);
        $result = true;
    }
    set_time_limit($timeLimit);
    return $result;
}

/**
* Create new image from existing file
*
* @param  string  $imgfile    Source image file name
* @param  string  $imgthumb   Thumbnail file name
* @param  int     $newwidth   Thumbnail width
* @param  int     $newheight  Optional thumbnail height
* @param  string  $option     Type of resize
*
* @return bool
* @throws \Exception
*/
function create_img($imgfile, $imgthumb, $newwidth, $newheight = null, $option = "crop")
{
    $result = false;
    if (file_exists($imgfile) || strpos($imgfile, 'http') === 0) {
        if (strpos($imgfile, 'http') === 0 || image_check_memory_usage($imgfile, $newwidth, $newheight)) {
            require_once 'php_image_magician.php';
            $magicianObj = new imageLib($imgfile);
            $magicianObj->resizeImage($newwidth, $newheight, $option);
            $magicianObj->saveImage($imgthumb, 80);
            $result = true;
        }
    }
    return $result;
}