title: cURL using a string to post multiple values
body: <p>Is there a way to post a string with multiple values following the code below? please consider the third postfield $multiple to output more than one value
  Thanks in advance</p>
  
  <pre><code>&lt;?php
  
  $ch = curl_init(); //http post to another server
  
  curl_setopt($ch, CURLOPT_URL,"http://www.example.com");
  
  curl_setopt($ch, CURLOPT_POST, 1);
  
  curl_setopt($ch, CURLOPT_POSTFIELDS,"username=$username&amp;password=$password&amp;multiple=$ "); 
  
  // receive server response
  
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  
  $server_output = curl_exec ($ch);
  
  print_r($server_output);
  
  curl_close ($ch);
  </code></pre>