ftf_twitter example function call and loop with filtering.

<?php

/**
 * Twitter Feed ##
 *
 * @package WordPress
 * @subpackage 4Trees
 * @since 0.2
 */

// grab tweets ##
$args = array(
    'debug'                     => false, // debug returned object and errors ##
    'consumer_key'              => "###########", /* consumer key - https://dev.twitter.com/apps/ */
    'consumer_secret'           => "###########", /* consumer secret */
    'oauth_access_token'        => "###########", /* generated oauth access token */
    'oauth_access_token_secret' => "###########", /* generated oauth access token secret */
    'mode'                      => 'search', /* search, home_timeline, user_timeline */
    'count'                     => 200,
    'search'                    => 'from:BBCWorld OR from:nytimes',
);
$twitter_data = ftf_twitter( $args );

    foreach ( $twitter_data as $tweet ) {

        // grab text ##
        $text = $tweet->text;

        // apply filtering ##
        if (

            preg_match( "/\bnano/i", $text )   // "nano*" found ##

            /*

            && // AND ##

                preg_match( "/\bregulat|toxic/i", $text )   // " regulat* OR toxic* " found ##

                || // OR ##

                (

                    preg_match( "/\b(?:risk|hazard)\b/i", $text )   // " risk OR hazard " found ##

                    && // AND ##

                    preg_match( "/\b(?:exposure|release)\b/i", $text )   // " exposure OR release " found ##

                )

            */

            ){

            // format text correctly ##
            $tweet->text = ftf_twitter_add_href($tweet->text); // add href link ##
            $tweet->text = ftf_twitter_add_username($tweet->text); // add username link ##
            $tweet->text = ftf_twitter_add_hashtag($tweet->text); // add hashtag link ##

?>
                            <li>
                                <div class="avatar">
                                    <a rel="nofollow" target="_blank" class="mt_avatar" href="http://twitter.com/<?php echo $tweet->user->screen_name; ?>">
                                        <img src="<?php echo $tweet->user->profile_image_url; ?>" alt="<?php echo $tweet->user->name; ?>" border="0" class="icon"/>
                                    </a>
                                </div>
                                <div class="meta">
                                    <div class="mt_header">
                                        <a rel="nofollow" target="_blank" class="mt_user" href="http://twitter.com/<?php echo $tweet->user->screen_name; ?>">
                                            <?php echo $tweet->user->name; ?>
                                        </a>
                                        <span class="mt_screen_name">@<?php echo $tweet->user->screen_name; ?></span>
                                    </div>
                                    <div class="mt_text"><?php echo $tweet->text; ?></div>
                                    <div class="mt_footer">
<?php

                                        // format date correctly ##
                                        $date = date("j M Y", strtotime($tweet->created_at)); // 1 Jul 2011

?>
                                        <div class="time"><?php echo $date; ?></div>
<?php

                                    // if retweet ##
                                    if ( $tweet->entities->retweeted === true ) {

?>
                                        <span class="image_r"></span>Retweeted by <a rel="nofollow" target="_blank" class="mt_retweet" href="http://twitter.com/<?php echo $tweet->user->screen_name; ?>"><?php echo $tweet->user->name; ?></a>
<?php

                                    }
                                    // end retweet ##

?>
                                    </div>
                                </div>
                            </li>
<?php

        } // filters ##

    } // loop ##