ktyr report

function copy_image_with_suffix($guid,$suffix)
{
    $upload_dir = $this->get_upload_dir();
    $o_image = dirname($upload_dir) . DIRECTORY_SEPARATOR . ltrim($guid,'/');
    $new_image = dirname($upload_dir)  . DIRECTORY_SEPARATOR . ltrim($this->add_suffix_to_filename($guid, $suffix),'/');
    if(!file_exists($o_image)) {
        $o_image = mb_convert_encoding($o_image, 'CP932', 'UTF-8');
        $new_image = mb_convert_encoding($new_image, 'CP932', 'UTF-8');
    }

    if (file_exists($new_image))
        unlink($new_image);

    $success = copy($o_image, $new_image);
    return $success;
}
public function add_suffix_to_filename($filename = '',$suffix = '')
{
    if(empty($filename))
        return '';
    return preg_replace('/\.(.{3,4})$/',"{$suffix}.$1",$filename);
}