Fix a couple of notice errors

darcs-hash:20080720023259-533db-6a4e8abb730b2192fcf2887a665dee2e1048529a.gz

diff --git a/lib/util.php b/lib/util.php
index c2c4f99db5986ad5f4fc7e38943bbff501e5f9b2..ca8b539569fc012896fe08ddcb115a98724140b2 100644 (file)
--- a/lib/util.php
+++ b/lib/util.php
@@ -194,11 +194,11 @@ function common_show_header($pagetitle, $callable=NULL, $data=NULL, $headercall=
        common_element_start('div', array('id' => 'wrap'));
        common_element_start('div', array('id' => 'header'));
        common_nav_menu();
-       if ((is_string($config['site']['logo']) && (strlen($config['site']['logo']) > 0))
+       if ((isset($config['site']['logo']) && is_string($config['site']['logo']) && (strlen($config['site']['logo']) > 0))
                || file_exists(theme_file('logo.png')))
        {
                common_element_start('a', array('href' => common_local_url('public')));
-               common_element('img', array('src' => ($config['site']['logo']) ?
+               common_element('img', array('src' => isset($config['site']['logo']) ?
                                                                        ($config['site']['logo']) : theme_path('logo.png'),
                                                                        'alt' => $config['site']['name'],
                                                                        'id' => 'logo'));
@@ -757,7 +757,7 @@ function common_fancy_url($action, $args=NULL) {
         case 'subscribers':
         case 'all':
         case 'replies':
-               if ($args && $args['page']) {
+               if ($args && isset($args['page'])) {
                        return common_path($args['nickname'].'/'.$action.'?page=' . $args['page']);
                } else {
                        return common_path($args['nickname'].'/'.$action);