PHP SDK for running queries against the millions of icons provided by The Noun Project.
require_once '/path/to/TheNounProject.class.php';
$key = '*****';
$secret = '*****';
$theNounProject = new TheNounProject($key, $secret);
$limit = 10;
$options = compact('limit');
$icons = $theNounProject->getIconsByTerm('happy', $options);
print_r($icons);
exit(0);