<form action="action_page.php">

  <div class="first">
    <textarea name="first">tekst goes here</textarea>
  </div>

  <div class="second">
      <textarea name="second">tekst goes here</textarea>
  </div>

<div class="button">

  <input type="submit">
</div>
</form>

<?php
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "mydb";

try {
    $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    $sql = "INSERT INTO mydb(firstText, secndText)


    VALUES ('something', 'something')";

    $conn->exec($sql);
    echo "New record created successfully";
    }
catch(PDOException $e)
    {
    echo $sql . "<br>" . $e->getMessage();
    }

$conn = null;
?>