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

What PHP function retrieves information about a file?

A). stat()

B). fileinfo()

C). fileinfo_stat()

D). fileinfo()

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 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

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 returns the size of a file?

A). filesize()

B). get_filesize()

C). file_size()

D). size()

Which PHP function returns the parent directory of a file?

A). dirname()

B). realpath()

C). parentdir()

D). parent()

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()

Which PHP function is used to change file permissions?

A). chmod()

B). chown()

C). chgrp()

D). umask()