Publish posts, statuses, images, to Twitter from WordPress

tweet-status.php

<?php
/**
 * Plugin Name: Tweet Statuses
 * Description: A simple plugin that will tweet a status when published.
 * Author: Colin Devroe
 * Author URI: http://cdevroe.com/
 * Version: 0.1.0
 *
 * TwitterAPIExchange is here: http://github.com/j7mbo/twitter-api-php
*/



function cdevroe_tweet_status( $post_id, $post ) {

  require_once('TwitterAPIExchange.php');

  $format = get_post_format( $post );

  $twitter = new TwitterAPIExchange(array(
      'oauth_access_token' =>           "",
      'oauth_access_token_secret' =>    "",
      'consumer_key' =>                 "",
      'consumer_secret' =>              ""
  ));

  if ( $post->post_title != '' ) : // Likely not a status update

    if ( $format == 'image' ) :
      $status = 'Image: ' . $post->post_title;
    else:
      $status = $post->post_title; // Strip all HTML
    endif;

    if ( strlen($status) > 110 ) : // Limit to 140 characters regardless of content length
		    $status = substr( $status, 0, 110 ) . '... ' . get_permalink( $post );
    else:
        $status .= ' ' . get_permalink( $post );
	  endif;

  else : // Likely a status update

    $status = wp_strip_all_tags( $post->post_content ); // Strip all HTML
    if ( strlen($status) > 140 ) : // Limit to 140 characters regardless of content length
		    $status = substr( $status, 0, 110 ) . '... ' . get_permalink( $post );
	  endif;

  endif;


  $twitter_response = $twitter->buildOauth('https://api.twitter.com/1.1/statuses/update.json', 'POST')
                              ->setPostfields(array(
                                'status' => $status
                              ))
                              ->performRequest();

  return;
}
add_action( 'publish_post', 'cdevroe_tweet_status', 10, 2 ); // post_id, post obj