google search code in php

$url = "http://ajax.googleapis.com/ajax/services/search/web?v=1.0&q=Paris%20Hilton"

// sendRequest
// note how referer is set manually
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_REFERER, "http://www.yousite.com");
$body = curl_exec($ch);
curl_close($ch);

// following function json_decode is ready avaialable  in php 5 >
$json = json_decode($body);