<?php require 'class-collection.php'; require 'form_tools.php'; $collection = new Collection('data.txt'); $errors = array(); $valid = ""; $file_error = ""; if (isset($_POST['title'])) { // make sure all data exists $valid = $collection->validate($_POST, $errors); if ($valid) { $book = $collection->format_data($_POST); $book = $collection->write_to_file($book); if ($book) { header("location:home.php?new=1"); } else { $file_error = "File could not be opened."; } } } ?> <!DOCtype html> <html lang="EN"> <head> <title>New Book</title> <link rel="stylesheet" type="text/css" href="style.css" media="all" /> </head> <body> <h1>New Book</h1> <?php