<?php



/**

 * This example is written in PHP

 * It demonstrates

 * - creating a CSDL statement

 * - making an API request to Datasift

 * - displaying the data returned

 */



//Step 1 Define authentication details

define('USERNAME', 'genesis');

define('API_KEY',  '79878d08b0d59ac30eab9e1ca36c1e0f');



//Step 2 - Include the DataSift library - This is the only file "required"*

require dirname(__FILE__) . '/lib/datasift.php';



//Step 3 - Create a "User" object for authentication

$user = new DataSift_User(USERNAME, API_KEY);



/**

 * Step 4 - Define a CSDL filter for compilation.

 * The 'words' array is a set of terms we will filter from Twitter

 * Notice the 'interaction.type=="twitter"'

 * The use of implode simply concatenates each word in the words array with

 * a prefix that results in a string such as:

 * interaction.type == "twitter" and (interaction.content contains "music" or interaction.content contains "mtv"

 * or interaction.content contains "itv" or interaction.content contains "skyb2b" or interaction.content contains

 * "news" or interaction.content contains "csi" or interaction.content contains "criminal minds")

 */



$words = array('music', 'mtv', 'itv', 'skyb2b', 'news', 'csi', 'criminal minds');



// Create the definition

$csdl = 'interaction.type == "twitter" and (interaction.content contains "' . implode('" or interaction.content contains "', $words) . '")';



//Step 5 - Create a definition using the user object and the generated CSDL

$definition = new DataSift_Definition($user, $csdl);



//some vars to use later

$hash = null;

$created = null;

$cost = null;



//Step 6 - explicitly compile the definition

try {

    $definition->compile();



//Step 7 - If everything is okay then we can now get the hash,created_at and cost values that are returned

    $hash = $definition->getHash();

    $created = $definition->getCreatedAt();

    $cost = $definition->getTotalCost();



    print 'Stream hash : ' . $hash . " \n";

    print 'Created at : ' . $created . " \n";

    print 'Total costs : ' . $cost . " \n";

}

catch (Exception $e) {



//If there is an exception then a few things could have gone wrong so the message included would help

echo 'Caught exception: ', $e->getMessage(), "\n";

}

?>