get-sentiment-client.php

<?php

$ch = curl_init();

$headers = array("Content-Type: application/x-www-form-urlencoded; charset=UTF-8",
                    "<ACCESS-KEY-HEADER>: <ACCESS-KEY>");
curl_setopt($ch, CURLOPT_URL, "<ACCESS-URL>");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

$fields = array('text'=>"The food was great, but the service was slow.", 'lang'=>'en',
                    'keywords' =>1, 'sentiment'=>1, 'annotate'=>1);
$postvars = '';
foreach($fields as $key=>$value) {
    $postvars .= $key . "=" . $value . "&";
}
curl_setopt($ch, CURLOPT_POSTFIELDS, $postvars);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$response = curl_exec($ch);

echo $response;

curl_close($ch);

?>