From 09c859ee988047302281f35ff1f6c2f18fc8ea36 Mon Sep 17 00:00:00 2001
From: Dominique Fournier <dominique@fournier38.fr>
Date: Sat, 27 Feb 2016 16:54:46 +0000
Subject: [PATCH] dbjson : if the database is empty, allow to read it without
 error

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@2583 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
---
 dbjson.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dbjson.php b/dbjson.php
index 731c790..68a1380 100644
--- a/dbjson.php
+++ b/dbjson.php
@@ -275,6 +275,8 @@ class dbjson
     if ($this->db === null)
       $this->db = $this->readDB ();
     $keys = array ();
+    if (! array_key_exists ($collection, $this->db))
+      $this->db[$collection]["content"] = array ();
     foreach ($this->db[$collection]["content"] as $key=>$document)
     {
       if ($filter === array ())
@@ -384,7 +386,10 @@ class dbjson
     */
   private function readDB ()
   {
-    return json_decode (file_get_contents ($this->dbfile), true);
+    $res = json_decode (file_get_contents ($this->dbfile), true);
+    if ($res === null)
+      $res = array ();
+    return $res;
   }
 
   /** Write the dbfile with the provided data. This function don't do locks !