16. What is the purpose of the PHP function fileatime()?

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 PHP function creates a directory?

A). mkdir()

B). create_directory()

C). newdir()

D). dir_create()

Which superglobal variable in PHP is used to handle file uploads?

A). $_FILES

B). $_POST

C). $_GET

D). $_REQUEST

What is the PHP function to move an uploaded file to a new location?

A). move_uploaded_file()

B). copy()

C). rename()

D). move_file()

What PHP function is used to delete a file?

A). unlink()

B). remove()

C). delete()

D). file_delete()

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 does the PHP function touch() do?

A). Updates the access and modification time of a file

B). Creates a new file

C). Deletes a file

D). Changes file permissions

Which PHP function sets the default permissions for new files?

A). umask()

B). chmod()

C). set_permissions()

D). default_perms()

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