From 3926e2d4f3d786be64230350db982a695d329d97 Mon Sep 17 00:00:00 2001
From: Thomas Tanghus <thomas@tanghus.net>
Date: Sun, 13 May 2012 15:07:07 +0200
Subject: [PATCH] VCategories: Made a small check for categories that seems to
 resolv the problems in Calender. Also reverts the changes from
 9e6221b229410599c28045d1956bb6e84d33cadc.

---
 lib/vcategories.php | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/lib/vcategories.php b/lib/vcategories.php
index 7b3844bf68..d6351e2858 100644
--- a/lib/vcategories.php
+++ b/lib/vcategories.php
@@ -96,7 +96,7 @@ class OC_VCategories {
 			}
 		}
 		if(count($newones) > 0) {
-			$this->categories = @array_merge($this->categories, $newones);
+			$this->categories = array_merge($this->categories, $newones);
 			if($sync === true) {
 				$this->save();
 			}
@@ -146,10 +146,14 @@ class OC_VCategories {
 	 * @brief Save the list with categories
 	 */
 	private function save() {
-		usort($this->categories, 'strnatcasecmp'); // usort to also renumber the keys
-		$escaped_categories = serialize($this->categories);
-		OC_Log::write('core','OC_VCategories::save: '.print_r($this->categories, true), OC_Log::DEBUG);
-		OC_Preferences::setValue($this->user, $this->app, self::PREF_CATEGORIES_LABEL, $escaped_categories);
+		if(is_array($this->categories)) {
+			usort($this->categories, 'strnatcasecmp'); // usort to also renumber the keys
+			$escaped_categories = serialize($this->categories);
+			OC_Preferences::setValue($this->user, $this->app, self::PREF_CATEGORIES_LABEL, $escaped_categories);
+			OC_Log::write('core','OC_VCategories::save: '.print_r($this->categories, true), OC_Log::DEBUG);
+		} else {
+			OC_Log::write('core','OC_VCategories::save: $this->categories is not an array! '.print_r($this->categories, true), OC_Log::ERROR);
+		}
 	}
 
 	/**
@@ -199,7 +203,7 @@ class OC_VCategories {
 
 	// case-insensitive in_array
 	private function in_arrayi($needle, $haystack) {
-		return in_array(strtolower($needle), @array_map('strtolower', $haystack));
+		return in_array(strtolower($needle), array_map('strtolower', $haystack));
 	}
 
 	// case-insensitive array_search