title: How to submit a form with PHP?
body: <pre><code>&lt;form style="text-align:center;" id="paypalform" action="https://www.paypal.com/cgi-bin/webscr" method="POST"&gt;
      &lt;input type='hidden' name='cmd' value='_xclick'&gt;
      &lt;input type='hidden' name='business' value='payment@xxx.com'&gt;
      &lt;input type='hidden' name='item_name' value='201001114262121'&gt;
      &lt;input type='hidden' name='amount' id="amount" value='1.00'&gt;
      &lt;input type='hidden' name='currency_code' value='CAD'&gt;
      &lt;input type='hidden' name='return' value='http://www.xxx.com/paypal_process.php'&gt;
      &lt;input type='hidden' name='invoice' value='82'&gt;
      &lt;input type='hidden' name='charset' value='utf-8'&gt;
      &lt;input type='hidden' name='no_shipping' value='1'&gt;
      &lt;input type='hidden' name='no_note' value=''&gt;
      &lt;input type='hidden' name='notify_url' value='http://www.xxx.com/return.php'&gt;
      &lt;input type='hidden' name='rm' value='82'&gt;
      &lt;input type='hidden' name='cancel_return' value='http://www.xxx.com/index.html'&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>Anyone knows?</p>