to with Bootstrap 4.0 link and custom style.css link. Slices title into head Input: Webpage title (string) Output: HTML text (string) ----------------------------------------------------------------------------- */ function return_head($title) { return ' '.$title.' '; } /* ----------------------------------------------------------------------------- Echo return_head ----------------------------------------------------------------------------- */ function echo_head($title) { echo return_head($title); } /* ----------------------------------------------------------------------------- Returns end of HTML document from to with Bootstrap 4.0 scripts jquery 3.2, popper 1.12 and boostrap 4.0 Input: None Output: HTML text (string) ----------------------------------------------------------------------------- */ function return_foot() { return ' '; } /* ----------------------------------------------------------------------------- Echo return_foot ----------------------------------------------------------------------------- */ function echo_foot() { echo return_foot(); } ?>