PHP - Save Images from an array and rename them

//Ask me for details --> Nicolaslagios.com
foreach ($telikospinakas as $row) {
    if ($row['Parent SKU'] == 0) {
        $imagearray = explode("|", $row['Image URL']);
        $count = 1;
        foreach ($imagearray as $image) {
            // Check if image URL is valid
            if(@getimagesize($image)){
                // Save the image to the "images" folder
                $image_name = $row['SKU'];
                if($count > 1){
                    $image_name .= "_" . chr(96 + $count);
                }
                // Get the extension of the original image file
                $path_parts = pathinfo($image);
                $extension = $path_parts['extension'];
                // Save the image with the original extension
                file_put_contents("images/" . $image_name . "." . $extension, file_get_contents($image));
            }
            $count++;
        }
    }
}