Fix warnings an code enhancement.

author.php

@@ -68,8 +68,7 @@ order by substr (upper (sort), 1, 1)');
     }
 
     public static function getEntryArray ($query, $params) {
-        $result = parent::executeQuery ($query, self::AUTHOR_COLUMNS, "", $params, -1);
-        $result = $result [1];
+        list (, $result) = parent::executeQuery ($query, self::AUTHOR_COLUMNS, "", $params, -1);
         $entryArray = array();
         while ($post = $result->fetchObject ())
         {

book.php

@@ -567,8 +567,7 @@ order by substr (upper (sort), 1, 1)");
 
     public static function getAllRecentBooks() {
         global $config;
-        $entryArray = self::getEntryArray (self::SQL_BOOKS_RECENT . $config['cops_recentbooks_limit'], array (), -1);
-        $entryArray = $entryArray [0];
+        list ($entryArray, ) = self::getEntryArray (self::SQL_BOOKS_RECENT . $config['cops_recentbooks_limit'], array (), -1);
         return $entryArray;
     }
 

feed.php

@@ -41,5 +41,4 @@
             $currentPage->InitializeContent ();
             echo $OPDSRender->render ($currentPage);
             return;
-            break;
     }

rating.php

@@ -43,7 +43,7 @@ class Rating extends Base {
     }
 
     public static function getEntryArray ($query, $params) {
-        list ($totalNumber, $result) = parent::executeQuery ($query, self::RATING_COLUMNS, "", $params, -1);
+        list (, $result) = parent::executeQuery ($query, self::RATING_COLUMNS, "", $params, -1);
         $entryArray = array();
         while ($post = $result->fetchObject ())
         {

sendtomail.php

@@ -28,6 +28,8 @@ function checkRequest ($idData, $emailDest) {
 
 if (php_sapi_name() === 'cli') { return; }
 
+global $config;
+
 if ($error = checkConfiguration ()) {
     echo $error;
     exit;