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

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()

Which PHP function returns the parent directory of a file?

A). dirname()

B). realpath()

C). parentdir()

D). parent()

Which PHP function sets the default permissions for new files?

A). umask()

B). chmod()

C). set_permissions()

D). default_perms()

Which PHP function returns the size of a file?

A). filesize()

B). get_filesize()

C). file_size()

D). size()

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 superglobal variable in PHP is used to handle file uploads?

A). $_FILES

B). $_POST

C). $_GET

D). $_REQUEST

Which PHP function removes a directory?

A). rmdir()

B). removedir()

C). deletedir()

D). unlink()