List files and directories inside the specified path in PHP

List of files:

• 1_2005.pdf
• 2005.pdf
• 80_2005.pdf
• 63_2005.pdf
• 47_2005.pdf
• 17_2005.pdf
• listagem.php
• file_index.htm
• 54_2005.pdf
• 4_2005.pdf
• 91_2005.pdf
• 30_2005.pdf