13. Which PHP function returns the size of a file?

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

A). Retrieves the last access time of a file

B). Retrieves the last modified time of a file

C). Retrieves the creation time of a file

D). Retrieves the last status change time of a file

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

A). $_FILES

B). $_POST

C). $_GET

D). $_REQUEST

What PHP function is used to delete a file?

A). unlink()

B). remove()

C). delete()

D). file_delete()

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 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

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

A). rewind()

B). reset()

C). fseek()

D). file_start()

Which PHP function is used to change file permissions?

A). chmod()

B). chown()

C). chgrp()

D). umask()

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

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 removes a directory?

A). rmdir()

B). removedir()

C). deletedir()

D). unlink()