ajouter.php

<?php
    require 'config.php';

    if($_SERVER['REQUEST_METHOD'] === "POST"){
        $nom = $_POST["nom"];
        $prenom = $_POST["prenom"];
        $telephone = $_POST["telephone"];
        $email = $_POST["email"];

        $stmt = $pdo->prepare("INSERT INTO contacts(nom, prenom, telephone, email) VALUES(?, ?, ?, ?)");
        $stmt->execute([$nom, $prenom, $telephone, $email]);

        header("Location: index.php");
        exit;
    }
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Gestion des contacts</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <h1>Ajouter de contact</h1>
    <form method="POST">
        <label for="">
            Nom: <input type="text" name="nom" required>
        </label><br>
        <label for="">
            Prenom: <input type="text" name="prenom" required>
        </label><br>
        <label for="">
            Telephone: <input type="number" name="telephone">
        </label><br>
        <label for="">
            Email: <input type="email" name="email">
        </label><br>

        <button type="submit">Enregistrer</button>
    </form>

    <a href="index.php">Retour</a>
</body>
</html>