List files and directories inside the specified path in PHP

List of files:

• 02_SHABA_pgs_10_20.pdf
• 04_GALIASSI_pgs_37_42.html
• 03_PESSUTTO_pgs_21_36.html
• listagem.php
• file_index.htm
• 04_GALIASSI_pgs_37_42.pdf
• 03_PESSUTTO_pgs_21_36.pdf
• 01_AJIBOYE_pgs_01_09.html
• 05_SEVBITOV_pgs_43_53.html
• 02_SHABA_pgs_10_20.html
• 05_SEVBITOV_pgs_43_53.pdf
• 01_AJIBOYE_pgs_01_09.pdf