twitter bootstrap alert helper

gistfile1.aw

<?php
if (!function_exists('alert')) {
    function alert($message) {
        $buffer  = null;
        if ( !empty($message) ) {
            $buffer .= '<div class="alert ';
            if ( array_key_exists('alert-error', $message) ) {
                $buffer .= 'alert-error">';
                if ( is_array($message['alert-error']) ) {
                    $buffer .= '<ul>';
                    foreach ($message['alert-error'] as $m) {
                        $buffer .= '<li>' .h($m) . '</li>';
                    }
                    $buffer .= '</ul>';
                } else {
                    $buffer .= h($message['alert-error']);
                }
            } else if (array_key_exists('alert-success', $message) ) {
                $buffer .= 'alert-success">';
                if ( is_array($message['alert-success']) ) {
                    $buffer .= '<ul>';
                    foreach ($message['alert-success'] as $m) {
                        $buffer .= '<li>' .h($m) . '</li>';
                    }
                    $buffer .= '</ul>';
                } else {
                    $buffer .= h($message['alert-success']);
                }
            } else if (array_key_exists('alert-info', $message) ) {
                $buffer .= 'alert-info">';
                if ( is_array($message['alert-info']) ) {
                    $buffer .= '<ul>';
                    foreach ($message['alert-info'] as $m) {
                        $buffer .= '<li>' .h($m) . '</li>';
                    }
                    $buffer .= '</ul>';
                } else {
                    $buffer .= h($message['alert-info']);
                }
            } else {
                $buffer .= '">';
            }
            $buffer .= '</div>';
        }
        return $buffer;
    }
}