From 8b085bb0183d24c723ffbda9723b26ab0a1b4a16 Mon Sep 17 00:00:00 2001
From: Silvio <silvio@devlet.com.br>
Date: Wed, 12 May 2010 12:08:43 -0300
Subject: Filtering empty results on BiblioIsis and on CSV export

---
 classes/BiblioIsisDb.php | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'classes/BiblioIsisDb.php')

diff --git a/classes/BiblioIsisDb.php b/classes/BiblioIsisDb.php
index 81db3e7..e902a93 100644
--- a/classes/BiblioIsisDb.php
+++ b/classes/BiblioIsisDb.php
@@ -87,14 +87,16 @@ class BiblioIsisDb implements IsisDb {
     // Database query.
     $results = $this->backend('to_hash', $id);
 
-    // Tag results.
-    $data = $this->tag($results);
+    if ($results) {
+      // Tag results.
+      $data = $this->tag($results);
 
-    // Charset conversion.
-    array_walk_recursive($data, array(__CLASS__, 'charset'));
+      // Charset conversion.
+      array_walk_recursive($data, array(__CLASS__, 'charset'));
 
-    // Return the result.
-    return $data;
+      // Return the result.
+      return $data;
+    }
   }
 
   /**
-- 
cgit v1.2.3