Cml\Vendor\File::copyFile PHP Method

copyFile() public static method

拷贝一个新文件
public static copyFile ( string $filename, string $newfilename ) : boolean
$filename string 文件名称
$newfilename string 新文件名称
return boolean
    public static function copyFile($filename, $newfilename)
    {
        if (!is_file($filename) || !is_writable($filename)) {
            return false;
        }
        self::createDir(dirname($newfilename));
        //创建目录
        return copy($filename, $newfilename);
    }