如何使用PHP回显特定文件夹中的所有文件夹名称？

I want to print the folder names in a particular folder. For example Folder 1,2,3 are in a folder named 'New' I want to print the folder names 1 2 3 using php. Is it possible ? is there any function in php to do that ? any kind of solutions or ideas are very much appreciated.I want to print the folder names in a particula