creat a file handling library file that will include thrthee functions to : open,close, and write. the library must be included in the that follows. creat anew php file (1.php)that will have a text field and a button. The user will type the name of a file in the text field, and press the open button. The open button will show a message as the file in the text field is opend for writing or the file to open.