abraham/bridgecode.php

## bridgecode.php
<?php

// Download TwitterOAuth from http://github.com/abraham/twitteroauth.
require_once('twitteroauth/twitteroauth.php');

// Get consumer keys from http://dev.twitter.com/apps.
$consumer_key = '';
$consumer_secret = '';
$oauth_bridge_code = '';

// Build a TwitterOAuth object.
$connection = new TwitterOAuth(
  $consumer_key,
  $consumer_secret
);

// Request an access_token with an oauth_bridge_code.
$request = $connection->oAuthRequest('https://api.twitter.com/oauth/access_token', 'POST', array('oauth_bridge_code' => $oauth_bridge_code));

// If the access_token request succeeds...
if (200 === $connection->http_code){
  // Parse the access_token string.
  $token = OAuthUtil::parse_parameters($request);
  // Build new TwitterOAuth object with users access_token.
  $connection = new TwitterOAuth(
    $consumer_key,
    $consumer_secret,
    $token['oauth_token'],
    $token['oauth_token_secret']
  );
  // Call verify_credentials to make sure access_tokens are valid.
  $content = $connection->get('account/verify_credentials');
} else {
  $content = 'Oops.... something went wrong.';
}

print_r($content);

## callback.html
<!-- User hits the oauth_callback_url with an oauth_access_token -->
http://abrah.am/#oauth_access_token=9436992-QKOV6cNsfeRe9Kagyy4AmQF7WX2efs3rRDgyEy7Bvsfeaf&oauth_bridge_code=JKOPZJbnQ7fPAQxFoYJasfsefSFefss7WDP7z5l

## connect.html
<!-- Use your oauth_callback_url and your oauth_client_identifier aka the @Anywhere API key -->
https://oauth.twitter.com/2/authorize?oauth_callback_url=http://abrah.am/&oauth_mode=flow_web_client&oauth_client_identifier=9QR94sYuXI3j6XkYrr1Ybw

## convert.php
<?php

// Download TwitterOAuth from http://github.com/abraham/twitteroauth.
require_once('twitteroauth/twitteroauth.php');

// Get consumer keys from http://dev.twitter.com/apps.
$consumer_key = '';
$consumer_secret = '';
$oauth_bridge_code = $_REQUEST['oauth_bridge_code'];

// Build a TwitterOAuth object.
$connection = new TwitterOAuth(
  $consumer_key,
  $consumer_secret
);

// Request an access_token with an oauth_bridge_code.
$request = $connection->oAuthRequest('https://api.twitter.com/oauth/access_token', 'POST', array('oauth_bridge_code' => $oauth_bridge_code));

// If the access_token request succeeds...
if (200 === $connection->http_code){
  // Parse the access_token string.
  $token = OAuthUtil::parse_parameters($request);
  // Build new TwitterOAuth object with users access_token.
  $connection = new TwitterOAuth(
    $consumer_key,
    $consumer_secret,
    $token['oauth_token'],
    $token['oauth_token_secret']
  );
  // Call verify_credentials to make sure access_tokens are valid.
  $content = $connection->get('account/verify_credentials');
  // If the credentials are valid save them for future use.
} else {
  // Something went wrong converting to an OAuth 1.0a token.
}

## index.html
<html>
  <head>
    <title>Bridge Code Example</title>
    <!-- Be sure to use your own @Anywhere API key. -->
    <script src="http://platform.twitter.com/anywhere.js?id=9QR94sYuXI3j6XkYrr1Ybw&v=1" type="text/javascript"></script>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript"></script>
  </head>
  <body>
    <span id="twttr-anywhere-button"></span>
    <script type="text/javascript">
      twttr.anywhere(function (T) {
        if (T.isConnected()) {
          $("#twttr-anywhere-button").append('<button id="signout" type="button">Sign out of Twitter</button>');
          $("#signout").bind("click", function () {
            twttr.anywhere.signOut();
            location.reload();
          });
        } else {
          T("#twttr-anywhere-button").connectButton({
            authComplete: function(user, bridge_code) {
              $.post('convert.php', {
                'bridge_code': bridge_code
              });
            }
          });
        }
      });
    </script>
  </body>
</html>

## verify.php
<?php
$consumer_secret = 'consumer_secret';
$twitter_anywhere_identity = explode(':', $_COOKIE['twitter_anywhere_identity']);

// sha1 of user_id and consumer_secret will match the value of the cookie after the :
if (sha1($twitter_anywhere_identity[0] . $consumer_secret) === $twitter_anywhere_identity[1]) {
  echo 'User is verified.';
} else {
  echo 'User is NOT verified.';
}
	<?php

	// Download TwitterOAuth from http://github.com/abraham/twitteroauth.
	require_once('twitteroauth/twitteroauth.php');

	// Get consumer keys from http://dev.twitter.com/apps.
	$consumer_key = '';
	$consumer_secret = '';
	$oauth_bridge_code = '';

	// Build a TwitterOAuth object.
	$connection = new TwitterOAuth(
	$consumer_key,
	$consumer_secret
	);

	// Request an access_token with an oauth_bridge_code.
	$request = $connection->oAuthRequest('https://api.twitter.com/oauth/access_token', 'POST', array('oauth_bridge_code' => $oauth_bridge_code));

	// If the access_token request succeeds...
	if (200 === $connection->http_code){
	// Parse the access_token string.
	$token = OAuthUtil::parse_parameters($request);
	// Build new TwitterOAuth object with users access_token.
	$connection = new TwitterOAuth(
	$consumer_key,
	$consumer_secret,
	$token['oauth_token'],
	$token['oauth_token_secret']
	);
	// Call verify_credentials to make sure access_tokens are valid.
	$content = $connection->get('account/verify_credentials');
	} else {
	$content = 'Oops.... something went wrong.';
	}

	print_r($content);
	<!-- User hits the oauth_callback_url with an oauth_access_token -->
	http://abrah.am/#oauth_access_token=9436992-QKOV6cNsfeRe9Kagyy4AmQF7WX2efs3rRDgyEy7Bvsfeaf&oauth_bridge_code=JKOPZJbnQ7fPAQxFoYJasfsefSFefss7WDP7z5l
	<!-- Use your oauth_callback_url and your oauth_client_identifier aka the @Anywhere API key -->
	https://oauth.twitter.com/2/authorize?oauth_callback_url=http://abrah.am/&oauth_mode=flow_web_client&oauth_client_identifier=9QR94sYuXI3j6XkYrr1Ybw
	<html>
	<head>
	<title>Bridge Code Example</title>
	<!-- Be sure to use your own @Anywhere API key. -->
	<script src="http://platform.twitter.com/anywhere.js?id=9QR94sYuXI3j6XkYrr1Ybw&v=1" type="text/javascript"></script>
	<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript"></script>
	</head>
	<body>
	<span id="twttr-anywhere-button"></span>
	<script type="text/javascript">
	twttr.anywhere(function (T) {
	if (T.isConnected()) {
	$("#twttr-anywhere-button").append('<button id="signout" type="button">Sign out of Twitter</button>');
	$("#signout").bind("click", function () {
	twttr.anywhere.signOut();
	location.reload();
	});
	} else {
	T("#twttr-anywhere-button").connectButton({
	authComplete: function(user, bridge_code) {
	$.post('convert.php', {
	'bridge_code': bridge_code
	});
	}
	});
	}
	});
	</script>
	</body>
	</html>
	<?php
	$consumer_secret = 'consumer_secret';
	$twitter_anywhere_identity = explode(':', $_COOKIE['twitter_anywhere_identity']);

	// sha1 of user_id and consumer_secret will match the value of the cookie after the :
	if (sha1($twitter_anywhere_identity[0] . $consumer_secret) === $twitter_anywhere_identity[1]) {
	echo 'User is verified.';
	} else {
	echo 'User is NOT verified.';
	}