19. Which PHP function sets the file pointer to the beginning of a file?

What is the purpose of the PHP function umask()?

A). Sets the default file permissions for new files

B). Changes file ownership

C). Checks file existence

D). Removes a file

Which PHP function returns the size of a file?

A). filesize()

B). get_filesize()

C). file_size()

D). size()

Which PHP function retrieves the last modified time of a file?

A). filemtime()

B). file_lastmod()

C). last_modified()

D). mod_time()

What is the purpose of the PHP function is_file()?

A). Checks if a path is a regular file

B). Checks if a path is a directory

C). Checks if a file is writable

D). Checks if a file is readable

What PHP function creates a directory?

A). mkdir()

B). create_directory()

C). newdir()

D). dir_create()

What PHP function retrieves information about a file?

A). stat()

B). fileinfo()

C). fileinfo_stat()

D). fileinfo()

What PHP function is used to delete a file?

A). unlink()

B). remove()

C). delete()

D). file_delete()

Which PHP function removes a directory?

A). rmdir()

B). removedir()

C). deletedir()

D). unlink()

Which PHP function checks if a file or directory exists?

A). file_exists()

B). is_file()

C). exists()

D). check_file()

What does the PHP function filetype() return?

A). Type of a file

B). Size of a file

C). Extension of a file

D). Permissions of a file