PHP: cURL Wrapper with traits

curl.wrapper.php

<?php 

/**
 *	cURL Wrapper trait for PHP => 5.4
 *
 *	Contains several API classes which uses this trait
 */

trait curl
{

	public function curl($url)
	{
		/* Init cURL */
		$ch = curl_init();

		/* Set options and execute */
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		$output = curl_exec($ch);

		/* Close handle and return output */
		curl_close($ch)
		return $output;
	}
}


/**
 *	Twitter API class
 */

class TwitterAPI
{
	/* use trait here */
	use curl;

	public function get($url)
	{
		return json_encode($this->curl('https://api.twitter.com/' . $url));
	}
}

/**
 *	Facebook API class 
 */

class FacebookAPI
{
	/* use trait here */
	use curl;

	public function get($url)
	{
		return json_encode($this->curl('https://graph.facebook.com/' . $url));
	}
}


/*
Example
class myAPI
{
	use curl;

	public function get($url)
	{
		return json_encode($this->curl('http://api.example.org/' . $url));
	}
}
*/

/*
$facebook = new FacebookAPI();
echo $facebook->get('100000753332907')

Output:

{
   "id": "100000753332907",
   "name": "Niko Heikkil\u00e4",
   "first_name": "Niko",
   "last_name": "Heikkil\u00e4",
   "link": "https://www.facebook.com/nj.heikkila",
   "username": "nj.heikkila",
   "gender": "male",
   "locale": "en_GB"
}

$twitter = new TwitterAPI();
echo $twitter->get('1/users/show.json?screen_name=nikoheikkila');

Output: long text :-)
*/

/**
 * Fill to your hearts needs
 *
 * TIP: You might want to use metaprogramming to create getters automatically
 */

?>