connect()->query($sql); while($row = $stmt->fetch()) { echo $row['first_name']; } } // With prepared statement public function getUsersStmt($fName) { $sql = "SELECT * FROM users WHERE first_name = ?;"; $stmt = $this->connect()->prepare($sql); $stmt->execute([$fName]); $names = $stmt->fetchAll(); foreach($names as $name) { echo $name['first_name']; } } // Create public function setUserStmt($fName, $lName) { $sql = "INSERT INTO users(first_name, last_name) VALUES (?, ?);"; $stmt = $this->connect()->prepare($sql); $stmt->execute([$fName, $lName]); } }