Функция позволяющая сокращать ссылки.

                        
<?php

function googleShort($longUrl) {



	$apiKey  = '';

	//Получить API ключ можно тут : http://code.google.com/apis/console/

	 

	$postData = array('longUrl' => $longUrl, 'key' => $apiKey);

	$jsonData = json_encode($postData);

	 

	$curlObj = curl_init();

	 

	curl_setopt($curlObj, CURLOPT_URL, 'https://www.googleapis.com/urlshortener/v1/url');

	curl_setopt($curlObj, CURLOPT_RETURNTRANSFER, 1);

	curl_setopt($curlObj, CURLOPT_SSL_VERIFYPEER, 0);

	curl_setopt($curlObj, CURLOPT_HEADER, 0);

	curl_setopt($curlObj, CURLOPT_HTTPHEADER, array('Content-type:application/json'));

	curl_setopt($curlObj, CURLOPT_POST, 1);

	curl_setopt($curlObj, CURLOPT_POSTFIELDS, $jsonData);

	 

	$response = curl_exec($curlObj);

	 

	$json = json_decode($response);

	 

	curl_close($curlObj);

	

	if(isset($json->error)){

		echo $json->error->message;

	}else{

		echo $json->id;

	}

}

?>