List files and directories inside the specified path in PHP

List of files:

• 6_2010.pdf
• 40_2010.pdf
• 51_2010.pdf
• 15_2010.pdf
• 32_2010.pdf
• listagem.php
• file_index.htm
• 23_2010.pdf
• 1_2010.pdf
• 67_2010.pdf
• 2010.pdf
• 88_2010.pdf