How to get the file name under a folder?

Question

Suppose I have a directory look like:

ABC
|_ a1.txt
|_ a2.txt
|_ a3.txt
|_ a4.txt
|_ a5.txt

How can I use PHP to get these file names to an

Answer 1

You can use the glob() function:

Example 01:

Example 02:

Example 03: Using RecursiveIteratorIterator