Paypal Looping

$result = mysql_query("SELECT transactionid
                        FROM log") or die(mysql_error());

$existing = array();

echo "<b>Getting existing ids</b>:<br />";

while ($row = mysql_fetch_assoc($result)) {

    $existing[] = $row['transactionid'];

    echo " " . $row['transactionid'] . "<br />";
}

echo "<br /><b>Fetching latest transactions</b><br />";

foreach ($results = getLast() as $key => $value) {

    if (!in_array($results[$key]['L_TRANSACTIONID'], $existing, true)) {

        echo $results[$key]['L_TRANSACTIONID'] . " does not exist<br />";

        foreach(getTransaction($results[$key]['L_TRANSACTIONID']) as $field => $val) {

            $data[$field] = $val;

            //echo $field . ' => ' . $val . "<br />";
        }

        if (!empty($data['L_SEVERITYCODE0']) || $data['L_ERRORCODE0'] == 'Error') {

            echo "An error occurred fetching details<br />" . urldecode($data['L_SHORTMESSAGE0']) . "<br />" . urldecode($data['L_LONGMESSAGE0']) . "<br /><br />";
        }
        else if (!empty($data['PAYMENTSTATUS']) && $data['PAYMENTSTATUS'] == 'Pending') {

            echo "This transaction is pending<br /><br />";
        }
        else {

            foreach ($data as $field => $val) {

                $afields[] = '`' . strtolower($field) . '`';

                if (strpos_arr(strtolower($field), array('time', 'date')) !== false) {

                    $avalues[] = "'" . strtotime(urldecode($val)) . "'";
                }
                else {

                    $avalues[] = "'" . urldecode($val) . "'";
                }
            }

            echo "Double checking " . $data['TRANSACTIONID'] . "<br />";

            if (!in_array($data['TRANSACTIONID'], $existing, true)) {

                echo "<b>Inserting " . $data['TRANSACTIONID'] . "</b><br/ ><br/ >";

                mysql_query('INSERT INTO log (' . implode(', ', $afields) . ') VALUES (' . implode(', ', $avalues) . ')') or die(mysql_error());
            }
            else {

                echo $data['TRANSACTIONID'] . ' exists!<br /><br />';
            }
        }

        unset($afields, $avalues, $data);
    }
    else {

        echo $results[$key]['L_TRANSACTIONID'] . " exists!<br /><br />";
    }
}