List files and directories inside the specified path in PHP

List of files:

• 2022_v2.epub
• 2022_v2.pdf
• ATR.pdf
• 02_QUINTERO_pgs_08_27.pdf
• 03_EDISHERASHVILI_pgs_28_31.htm
• cal2.pdf
• 01_FERREYRA_pgs_01_07.pdf
• 04_ATCEKEN_pgs_32_46.pdf
• 02_QUINTERO_pgs_08_27.htm
• listagem.php
• file_index.htm
• 05_DELMONDES_pgs_47_65.htm
• 05_DELMONDES_pgs_47_65.pdf
• 01_FERREYRA_pgs_01_07.htm
• 03_EDISHERASHVILI_pgs_28_31.pdf
• errata.pdf
• 04_ATCEKEN_pgs_32_46.htm