php multi curl multi get request，multi post request

set_time_limit(0);

function multiRequest($data, $options = array()) {

  // array of curl handles
  $curly = array();
  // data to be returned
  $result = array();

  // multi handle
  $mh = curl_multi_init();

  // loop through $data and create curl handles
  // then add them to the multi-handle
  foreach ($data as $id => $d) {

    $curly[$id] = curl_init();

    $url = (is_array($d) && !empty($d['url'])) ? $d['url'] : $d;
    curl_setopt($curly[$id], CURLOPT_URL,            $url);
    curl_setopt($curly[$id], CURLOPT_HEADER,         0);
    curl_setopt($curly[$id], CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curly[$id], CURLOPT_USERAGENT, "Mozilla/5.0 ");

    // post?
    if (is_array($d)) {
      if (!empty($d['post'])) {
        curl_setopt($curly[$id], CURLOPT_POST,       1);
        curl_setopt($curly[$id], CURLOPT_POSTFIELDS, $d['post']);
      }
    }

    // extra options?
    if (!empty($options)) {
      curl_setopt_array($curly[$id], $options);
    }

    curl_multi_add_handle($mh, $curly[$id]);
  }

  // execute the handles
  $running = null;
  do {
    curl_multi_exec($mh, $running);
  } while($running > 0);

  // get content and remove handles
  foreach($curly as $id => $c) {
    $result[$id] = curl_multi_getcontent($c);
    curl_multi_remove_handle($mh, $c);
  }

  // all done
  curl_multi_close($mh);

  return $result;
}

error_reporting(E_ALL);
set_time_limit(0);
  require_once('includes/functions.php');

//see the URL and make multi get requests 


$URL = "http://site.com/?par=1";
  $ie =0;

   while($ie < 2)
   {
    $url_value[$ie] = $URL;
    $ie++;
    }


$r = multiRequest($url_value);

echo '<pre>';
print_r($r);


// make multi post requests based on the values 
  $ie = 0;
   while ($ie < 2)
   {
$data = array(array(),array());

$data[$ie]['url']  = 'http://site.com/index.php';
$data[$ie]['post'] = array();
$data[$ie]['post']['tempid']   = $url_value[$ie];
    $ie++;
   }

$r = multiRequest($data);

print_r($r);

Array (
    [0] => 8896470
    [1] => 4642075 )

Notice:  Array to string conversion in C:wampwwwsendincludesfunctions.php on line 22

Array (
    [0] => 
    [1] => 

Done!

)