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5 changed files with 128 additions and 0 deletions
43
createUser.php
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43
createUser.php
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<?php
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require("header.php");
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if ($_POST["username"] AND $_POST["word"] AND $_POST["nb"]) {
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$username = htmlspecialchars($_POST["username"]);
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$word = htmlspecialchars($_POST["word"]);
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$nb = (int) $_POST["nb"];
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$bdd = getPDO();
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if ($bdd INSTANCEOF PDO)
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try {
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$req = $bdd->prepare("SELECT * FROM user WHERE username = ?");
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$req->execute(array($username));
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if ($req->fetch()) { ?>
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<p><strong>Username already exist !</strong></p>
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<?php } else {
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$req->closeCursor();
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$req = $bdd->prepare("INSERT INTO user VALUES (?, ?, ?)");
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$req->execute(array($username, $word, $nb));
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$_SESSION["p1905458"] = $username;
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header("Location: helloworld4.php");
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}
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$req->closeCursor();
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} catch (Exception $e) {
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databaseError($e);
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}
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elseif ($bdd INSTANCEOF Exception)
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databaseError($bdd);
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}
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?>
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<form method="POST">
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<label for="username">Username: </label>
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<input id="username" name="username" required> <br />
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<label for="word">Word: </label>
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<input id="word" name="word" required> <br />
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<label for="nb">Number: </label>
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<input id="nb" type="number" name="nb" min="0" max="100" required> <br />
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<input type="submit">
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</form>
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<?php require("footer.php") ?>
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15
db.php
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15
db.php
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<?php
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CONST DB_HOST = "127.0.0.1";
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const DB_DATABASE = "TP2";
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const DB_USER = "root";
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const DB_PASSWORD = "root";
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function getPDO() {
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try {
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$bdd = new PDO("mysql:host=" . DB_HOST . ";dbname=" . DB_DATABASE . ";charset = utf8", DB_USER, DB_PASSWORD);
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$bdd->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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return $bdd;
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} catch (Exception $e) {
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return $e;
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}
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}
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2
footer.php
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2
footer.php
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</body>
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</html>
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20
header.php
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20
header.php
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<?php
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CONST DEBUG = true;
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require("db.php");
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function databaseError(Exception $e) {
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if (DEBUG)
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die("Error: " . $e->getMessage());
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echo "<p><strong>An error occurred with the database, please contact an administrator</strong></p>";
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}
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session_name("p1905458");
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session_start();
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Hello World 4</title>
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</head>
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<body>
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48
helloworld4.php
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48
helloworld4.php
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<?php
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$username = "";
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if (isset($_POST["username"]))
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$username = htmlspecialchars($_POST["username"]);
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elseif ($_SESSION["p1905458"]) {
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$username = $_SESSION["p1905458"];
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if ( ini_get ( " session . use_cookies " ) ) {
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$params = session_get_cookie_params();
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setcookie(session_name(), "", -1, $params["path"], $params["domain"], $params["secure"], $params["httponly"]);
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}
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}
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require("header.php");
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?>
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<form method="POST">
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<label for="username">Username: </label>
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<input id="username" name="username" value="<?= $username ?>" required>
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<input type="submit">
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</form>
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<ul>
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<?php
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if ($username) {
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$bdd = getPDO();
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if ($bdd INSTANCEOF PDO)
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try {
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$req = $bdd->prepare("SELECT * FROM user WHERE username = ?");
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$req->execute(array($username));
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if (!$user = $req->fetch()) { ?>
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<p><strong>No user found !</strong></p>
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<a href="createUser.php"><button>Create a new user</button></a>
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<?php } else {
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for ($i = 0; $i < $user["nb"]; $i++) { ?>
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<li>Hello <?= $user["word"] ?> !</li>
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<?php }
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}
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$req->closeCursor();
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} catch (Exception $e) {
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databaseError($e);
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}
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elseif ($bdd INSTANCEOF Exception)
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databaseError($bdd);
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}
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?>
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</ul>
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<?php require("footer.php") ?>
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