TwitterBot.php

<?php

require('OAuth.php');

class TwitterBot
{
    protected $url_update = 'https://api.twitter.com/1.1/statuses/update.json';
    protected $url_follow = 'https://api.twitter.com/1.1/friendships/create.json';
    protected $url_search = 'https://api.twitter.com/1.1/search/tweets.json?q=%s&result_type=recent&count=50';
    protected $url_verify = 'https://api.twitter.com/1.1/account/verify_credentials.json';
    protected $url_token = 'https://twitter.com/oauth/request_token';
    protected $url_token_access = 'https://twitter.com/oauth/access_token';
    protected $url_auth = 'http://twitter.com/oauth/authorize';
    private $oauth;

    private $tweets = array();
    private $screenName;

    public function __construct($key, $secret)
    {
        $this->oauth = new OAuth($key, $secret, OAUTH_SIG_METHOD_HMACSHA1, OAUTH_AUTH_TYPE_URI); // Ligne de l'erreur
        $this->oauth->disableSSLChecks();
    }

    public function setToken($token, $secret)
    {
        $this->oauth->setToken($token, $secret);
    }

    public function send($str)
    {
        $this->oauth->fetch($this->url_update, array( 'status' => $str), OAUTH_HTTP_METHOD_POST);
    }

    public function search($terms,$regex,$type)
    {
        $this->tweets[] = array('terms' => $terms,'regex' => $regex,'type' => $type);
    }

    public function follow()
    {
        if ($this->verifyAccountWorks())
        {
            foreach ($this->tweets as $key => $t)
            {
                $this->oauth->fetch(sprintf($this->url_search, urlencode($t['terms'][0])));
                $search_var = json_decode($this->oauth->getLastResponse());
                if($search_var)
                {
                    $i = 0;
                    foreach ($search_var->statuses as $tweet)
                    {
                        if($tweet->is_quote_status) // Si le tweet est un rt, on ne prend pas
                        {
                            continue;
                        }

                        $name = $tweet->user->screen_name;
                        echo '<b><a style="color: red;" href="https://twitter.com/' . $name . '" target="_blank">@' . $name . '</a> :</b> <a style="color: black; text-decoration: none;" href="https://twitter.com/' . $name .
                                '/status/'.$tweet->id.'" target="_blank">'.$tweet->text.'</a><br /> ';

                        $this->oauth->fetch($this->url_follow, array('user_id' => $tweet->user->id_str, 'follow' => true), OAUTH_HTTP_METHOD_POST); // Follow du compte $tweet
                    }
                }
            }
        }
    }

    private function verifyAccountWorks()
    {
        try
        {
            $this->oauth->fetch($this->url_verify, array(), OAUTH_HTTP_METHOD_GET);
            $response = json_decode($this->oauth->getLastResponse());
            $this->screenName = $response->screen_name;
            return true;
        }
        catch(Exception $ex)
        {
            return false;
        }
    }
}

?>