<?php include_once 'insert.class.php'; //POST methods data; if (isset($_POST['submit'])) { $username = $_POST['username']; $comment = $_POST['comment']; $email = $_POST['email']; //Creating object ; $crud = new CRUD('comments', 'pdo'); //Array to insert; $toInsertArray = array("username" => $username, "comment" => $comment, "email" => $email); //Validate array; $inputArray = $crud->columnNames($toInsertArray); //Insert method; $crud->insertData($inputArray); //$inputArray = $crud->insertData($toInsertArray); //The last record ID; echo "Last recorded ID: " . $inputArray["id"]; //Select comments from DB; $selectedComments = $crud->selectData(); } ?> <html> <head> <title> OOP </title> </head> <body> <form action="" method="post"> Username</br><input type="text" name="username"></br>