mortocks/twitter-oauth-quickstart.php

## twitter-oauth-quickstart.php
<?php
/*
*  uses tmhOauth from https://github.com/themattharris/tmhOAuth/
*  and is mostly based on the oauth flow example from that library (thanks matt!)
*
*  also need your own twitter api key / secret, and make sure it's got write access
*  if you want to publish posts (extra step when making your api key on twitter)
*
*
*/

//The setup... run these before anything else happens
require 'tmhOAuth.php';
require 'tmhUtilities.php';
$twitter = new tmhOAuth(array(
  'consumer_key'    => 'YOUR_CONSUMER_KEY',
  'consumer_secret' => 'YOUR_CONSUMER_SECRET',
));


//call this at the top of your page before <html>, or just your login page if you prefer.
//to start the login process, simply direct your user to "?page=login" (or change to suit).
if ($_GET['page']=='login') {
	login_twitter_user();
}


//this is the function it runs on login, you will have to sort out some of the variables like SITE_BASE
//to log out, make a link to: yoursite.com/?wipe=true

define('SITE_BASE','http://www.yoursite.com/');

function login_twitter_user(){
	global $twitter;

	$here = tmhUtilities::php_self().'?page=login';

	// reset request?
	if ( isset($_REQUEST['wipe'])) {
	  session_destroy();
	  redirect(SITE_BASE);

	// already got some credentials stored?
	} elseif ( isset($_SESSION['access_token']) ) {
	  $twitter->config['user_token']  = $_SESSION['access_token']['oauth_token'];
	  $twitter->config['user_secret'] = $_SESSION['access_token']['oauth_token_secret'];

	  $code = $twitter->request('GET', $twitter->url('1/account/verify_credentials'));
	  if ($code == 200) {
		$resp = json_decode($twitter->response['response']);
		//echo $resp->screen_name;
		//print_r($resp);

		// ------------------------
		// save_twitter_user($resp); //this is where you'd save the user to your database
		// ------------------------

	  } else {
		outputError($twitter);
	  }
	// we're being called back by Twitter
	} elseif (isset($_REQUEST['oauth_verifier'])) {
	  $twitter->config['user_token']  = $_SESSION['oauth']['oauth_token'];
	  $twitter->config['user_secret'] = $_SESSION['oauth']['oauth_token_secret'];

	  $code = $twitter->request('POST', $twitter->url('oauth/access_token', ''), array(
		'oauth_verifier' => $_REQUEST['oauth_verifier']
	  ));

	  if ($code == 200) {
		$_SESSION['access_token'] = $twitter->extract_params($twitter->response['response']);
		unset($_SESSION['oauth']);
		header("Location: {$here}");
	  } else {
		outputError($twitter);
	  }
	// start the OAuth dance
	} elseif ( isset($_REQUEST['authenticate']) || isset($_REQUEST['authorize']) ) {
	  $callback = isset($_REQUEST['oob']) ? 'oob' : $here;

	  $params = array(
		'oauth_callback'     => $callback
	  );

	  if (isset($_REQUEST['force_write'])) :
		$params['x_auth_access_type'] = 'write';
	  elseif (isset($_REQUEST['force_read'])) :
		$params['x_auth_access_type'] = 'read';
	  endif;

	  $code = $twitter->request('POST', $twitter->url('oauth/request_token', ''), $params);

	  if ($code == 200) {
		$_SESSION['oauth'] = $twitter->extract_params($twitter->response['response']);
		$method = isset($_REQUEST['authenticate']) ? 'authenticate' : 'authorize';
		$force  = isset($_REQUEST['force']) ? '&force_login=1' : '';
		$authurl = $twitter->url("oauth/{$method}", '') .  "?oauth_token={$_SESSION['oauth']['oauth_token']}{$force}";
		//echo '<p>To complete the OAuth flow follow this URL: <a href="'. $authurl . '">' . $authurl . '</a></p>';
		redirect($authurl);
	  } else {
		outputError($twitter);
	  }
	}


}

//simple error posting function used by the login function
function outputError($twitter) {
  echo 'Error: ' . $twitter->response['response'] . PHP_EOL;
  tmhUtilities::pr($twitter);
}


//simple redirect helper function
function redirect($page, $timeout = 0) {

	if ($timeout) {
		echo "<script type='text/javascript'>
			  <!--

			  function getgoing() {
					top.location='$page';
			  }

			  setTimeout('getgoing()',".($timeout*1000).");

			  //-->
			  </script>";

	} else {

		echo "<script type='text/javascript'>
			  <!--
			  top.location = '$page'
			  //-->
			  </script>";

	}


}
	<?php
	/*
	* uses tmhOauth from https://github.com/themattharris/tmhOAuth/
	* and is mostly based on the oauth flow example from that library (thanks matt!)
	*
	* also need your own twitter api key / secret, and make sure it's got write access
	* if you want to publish posts (extra step when making your api key on twitter)
	*
	*
	*/

	//The setup... run these before anything else happens
	require 'tmhOAuth.php';
	require 'tmhUtilities.php';
	$twitter = new tmhOAuth(array(
	'consumer_key' => 'YOUR_CONSUMER_KEY',
	'consumer_secret' => 'YOUR_CONSUMER_SECRET',
	));


	//call this at the top of your page before <html>, or just your login page if you prefer.
	//to start the login process, simply direct your user to "?page=login" (or change to suit).
	if ($_GET['page']=='login') {
	login_twitter_user();
	}




	//this is the function it runs on login, you will have to sort out some of the variables like SITE_BASE
	//to log out, make a link to: yoursite.com/?wipe=true

	define('SITE_BASE','http://www.yoursite.com/');

	function login_twitter_user(){
	global $twitter;

	$here = tmhUtilities::php_self().'?page=login';

	// reset request?
	if ( isset($_REQUEST['wipe'])) {
	session_destroy();
	redirect(SITE_BASE);

	// already got some credentials stored?
	} elseif ( isset($_SESSION['access_token']) ) {
	$twitter->config['user_token'] = $_SESSION['access_token']['oauth_token'];
	$twitter->config['user_secret'] = $_SESSION['access_token']['oauth_token_secret'];

	$code = $twitter->request('GET', $twitter->url('1/account/verify_credentials'));
	if ($code == 200) {
	$resp = json_decode($twitter->response['response']);
	//echo $resp->screen_name;
	//print_r($resp);

	// ------------------------
	// save_twitter_user($resp); //this is where you'd save the user to your database
	// ------------------------

	} else {
	outputError($twitter);
	}
	// we're being called back by Twitter
	} elseif (isset($_REQUEST['oauth_verifier'])) {
	$twitter->config['user_token'] = $_SESSION['oauth']['oauth_token'];
	$twitter->config['user_secret'] = $_SESSION['oauth']['oauth_token_secret'];

	$code = $twitter->request('POST', $twitter->url('oauth/access_token', ''), array(
	'oauth_verifier' => $_REQUEST['oauth_verifier']
	));

	if ($code == 200) {
	$_SESSION['access_token'] = $twitter->extract_params($twitter->response['response']);
	unset($_SESSION['oauth']);
	header("Location: {$here}");
	} else {
	outputError($twitter);
	}
	// start the OAuth dance
	} elseif ( isset($_REQUEST['authenticate']) \|\| isset($_REQUEST['authorize']) ) {
	$callback = isset($_REQUEST['oob']) ? 'oob' : $here;

	$params = array(
	'oauth_callback' => $callback
	);

	if (isset($_REQUEST['force_write'])) :
	$params['x_auth_access_type'] = 'write';
	elseif (isset($_REQUEST['force_read'])) :
	$params['x_auth_access_type'] = 'read';
	endif;

	$code = $twitter->request('POST', $twitter->url('oauth/request_token', ''), $params);

	if ($code == 200) {
	$_SESSION['oauth'] = $twitter->extract_params($twitter->response['response']);
	$method = isset($_REQUEST['authenticate']) ? 'authenticate' : 'authorize';
	$force = isset($_REQUEST['force']) ? '&force_login=1' : '';
	$authurl = $twitter->url("oauth/{$method}", '') . "?oauth_token={$_SESSION['oauth']['oauth_token']}{$force}";
	//echo '<p>To complete the OAuth flow follow this URL: <a href="'. $authurl . '">' . $authurl . '</a></p>';
	redirect($authurl);
	} else {
	outputError($twitter);
	}
	}


	}

	//simple error posting function used by the login function
	function outputError($twitter) {
	echo 'Error: ' . $twitter->response['response'] . PHP_EOL;
	tmhUtilities::pr($twitter);
	}


	//simple redirect helper function
	function redirect($page, $timeout = 0) {

	if ($timeout) {
	echo "<script type='text/javascript'>
	<!--

	function getgoing() {
	top.location='$page';
	}

	setTimeout('getgoing()',".($timeout*1000).");

	//-->
	</script>";

	} else {

	echo "<script type='text/javascript'>
	<!--
	top.location = '$page'
	//-->
	</script>";

	}


	}