php - Redeclare function in loop

I'm stumped as to how I would get this working. I'm using the twitteroauth.php library and I am grabbing the users token and token secret from a db query. Here is the code:

while($row = mysql_fetch_array($m))
{   
    $connection = new TwitterOAuth($consumerKey, $consumerSecret, $oauthToken, $oauthTokenSecret);
    $consumerKey = "#####";
    $consumerSecret = "#####";
    $oauthToken = $row['oauth_token'];
    $oauthTokenSecret = $row['oauth_token_secret'];
    $userName = $row['username'];

    $query = mysql_query("select url from retweets order by rand() limit 1");
    $row = mysql_fetch_assoc($query);
    $retweet = basename($row['url']);

    $method = 'statuses/retweet/'.$retweet.'';
    twitterOAuth($method, $connection->post($method), $connection->http_code, $userName);
}
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If there are multiple results from mysql, it loops through and says:

 Fatal error: Cannot redeclare random_from() (previously declared in /usr/share/nginx/www/twitteroauth/twitteroauth.php:199) in /usr/share/nginx/www/twitteroauth/twitteroauth.php on line 199
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Since the$connection variable relies on$oauthToken and$oauthTokenSecret from the mysql query, I can't move it outside of the loop, so how would I make it so I can use it in each loop without redeclaring?

Thank you in advance!

Update: This is twitterOAuth

function twitterOAuth($method, $response, $http_code, $userName, $parameters = '') {
        if($http_code == 200){
            echo "retweeted successfully @".$userName."<br />";
        }else{
            echo "an error has occurred while retweeting @".$userName."";
            echo "<br />";
            print_r($response);
        }
}
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