title: PHP: API-Webhook remember variables
body: <p>I'm building a bot on the <a href="https://core.telegram.org/bots/api" rel="nofollow">Telegram Bot API</a>. For a specific function, my <strong>bot should remember</strong> the variables when re-sending the data with the webhook.</p>
  
  <p>To make it short; every time I send a message, the PHP-file is loaded (running on a Google App Engine), which is evoked by the Telegram Bot API.</p>
  
  <p>The bot "reloads" every time the API sends data to the webhook, <strong>all variables are reset</strong> of course. I was thinking of using a <code>$_SESSION</code>-Variable, but that also doesn't work.</p>
  
  <p>Except for saving the data in a MySQL-database or writing it into a file, are there any other possibilities to <strong>temporarily store data</strong> somewhere?</p>
  
  <p>Thank you!</p>