prepare("INSERT INTO exercises (name, description, video_url, muscle_group) VALUES (?, ?, ?, ?)"); $stmt->execute([$name, $description, $video_url, $muscle_group]); } header("Location: admin_exercises.php"); exit; } // Handle deletion of an exercise if (isset($_GET['delete'])) { $id = $_GET['delete']; $stmt = db()->prepare("DELETE FROM exercises WHERE id = ?"); $stmt->execute([$id]); header("Location: admin_exercises.php"); exit; } // Fetch all exercises $stmt = db()->query("SELECT * FROM exercises ORDER BY created_at DESC"); $exercises = $stmt->fetchAll(); ?>