[PHP] Get Klout Score

<?php
$klout_api_key = "";
$screenName = $argv[1];
$klout_id = json_decode(file_get_contents("http://api.klout.com/v2/identity.json/twitter?screenName=$screenName&key=$klout_api_key"))->{'id'};
$score = json_decode(file_get_contents("http://api.klout.com/v2/user.json/$klout_id/score?key=$klout_api_key"))->{'score'};

echo "Klout score for $screenName is $score!\n";
?>