facebook.php

<?php

/* Getting a JSON Facebook Feed
   ==========================================================================

   1. Sign in as a developer at https://developers.facebook.com/

   2. Click "Create New App" at https://developers.facebook.com/apps

   3. Under Apps Settings, find the App ID and App Secret
*/

$appID = 'XXXX';
$appSecret = 'XXXX';

/* Configuring a JSON Facebook Feed
   ==========================================================================

   1. Find the desired feed ID at http://findmyfacebookid.com/

   2. Set the maximum number of stories to retrieve

   3. Set the seconds to wait between caching the response
*/

$feed = 1215713599;
$maximum = 10;
$caching = 60;

/* Enjoying a JSON Facebook Feed
   ==========================================================================

   Visit this URL and make sure everything is working

   Use JSONP by adding ?callback=YOUR_FUNCTION to this URL

   Tweet love or hate @jon_neal

   Permission errors? http://stackoverflow.com/questions/4917811/file-put-contents-permission-denied
*/

$filename = basename(__FILE__, '.php').'.json';
$filetime = file_exists($filename) ? filemtime($filename) : time() - $caching - 1;

if (time() - $caching > $filetime) {
	$authentication = file_get_contents("https://graph.facebook.com/oauth/access_token?grant_type=client_credentials&client_id={$appID}&client_secret={$appSecret}");

	$response = file_get_contents("https://graph.facebook.com/{$feed}/feed?{$authentication}&limit={$maximum}");

	file_put_contents($filename, $response);
} else {
	$response = file_get_contents($filename);
}

header('Content-Type: application/json');
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $filetime).' GMT');

print($_GET['callback'] ? $_GET['callback'].'('.$response.')' : $response);

twitter.php

<?php

/* Getting a JSON Twitter Feed
   ==========================================================================

   1. Sign in as a developer at https://dev.twitter.com/

   2. Click "Create a new application" at https://dev.twitter.com/apps

   3. Under Application Details, find the OAuth settings and the access token
*/

$consumerKey = 'XXXX';
$consumerSecret = 'XXXX';
$accessToken = 'XXXX';
$accessTokenSecret = 'XXXX';

/* Configuring a JSON Twitter Feed
   ==========================================================================

   1. Find the desired twitter username

   2. Set the maximum number of tweets to retrieve

   3. Set the seconds to wait between caching the response
*/

$username = 'jon_neal';
$maximum = 10;
$caching = 60;

/* Enjoying a JSON Twitter Feed
   ==========================================================================

   Visit this URL and make sure everything is working

   Use JSONP by adding ?callback=YOUR_FUNCTION to this URL

   Tweet love or hate @jon_neal

   Permission errors? http://stackoverflow.com/questions/4917811/file-put-contents-permission-denied
*/

$filename = basename(__FILE__, '.php').'.json';
$filetime = file_exists($filename) ? filemtime($filename) : time() - $caching - 1;

if (time() - $caching > $filetime) {
	$url = 'https://api.twitter.com/1.1/statuses/user_timeline.json';
	$base = 'GET&'.rawurlencode($url).'&'.rawurlencode("count={$maximum}&oauth_consumer_key={$consumerKey}&oauth_nonce={$filetime}&oauth_signature_method=HMAC-SHA1&oauth_timestamp={$filetime}&oauth_token={$accessToken}&oauth_version=1.0&screen_name={$username}");
	$key = rawurlencode($consumerSecret).'&'.rawurlencode($accessTokenSecret);
	$signature = rawurlencode(base64_encode(hash_hmac('sha1', $base, $key, true)));
	$oauth_header = "oauth_consumer_key=\"{$consumerKey}\", oauth_nonce=\"{$filetime}\", oauth_signature=\"{$signature}\", oauth_signature_method=\"HMAC-SHA1\", oauth_timestamp=\"{$filetime}\", oauth_token=\"{$accessToken}\", oauth_version=\"1.0\", ";

	$curl_request = curl_init();
	curl_setopt($curl_request, CURLOPT_HTTPHEADER, array("Authorization: Oauth {$oauth_header}", 'Expect:'));
	curl_setopt($curl_request, CURLOPT_HEADER, false);
	curl_setopt($curl_request, CURLOPT_URL, $url."?screen_name={$username}&count={$maximum}");
	curl_setopt($curl_request, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($curl_request, CURLOPT_SSL_VERIFYPEER, false);
	$response = curl_exec($curl_request);
	curl_close($curl_request);

	file_put_contents($filename, $response);
} else {
	$response = file_get_contents($filename);
}

header('Content-Type: application/json');
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $filetime).' GMT');

print($_GET['callback'] ? $_GET['callback'].'('.$response.')' : $response);