PHP uploading script - create folder automatically [duplicate]

Question

Possible Duplicate:
Check if directory exists (PHP)

Post deleted - Post deleted - Post deleted - Post deleted

Answer 1

Use file_exists function to check if the folder or tree exists, then use PHP mkdir function.

Answer 2

The is_dir function checks if a folder exists and mkdir will create the folder if you need to.

Answer 3

Check if there is a directory.

If not, create one.

Where is the problem?