From 4578a5eb7a33b9c90598d2ea639baa7c3a8148f7 Mon Sep 17 00:00:00 2001
From: tjhunt <tjhunt>
Date: Mon, 20 Jul 2009 03:04:08 +0000
Subject: [PATCH] block MDL-19398 Initialise all blocks on this page before
 output is started.

---
 lib/blocklib.php | 12 ++++++++++++
 lib/pagelib.php  |  1 +
 2 files changed, 13 insertions(+)

diff --git a/lib/blocklib.php b/lib/blocklib.php
index c1289ca004..2cb56eb97d 100644
--- a/lib/blocklib.php
+++ b/lib/blocklib.php
@@ -660,6 +660,18 @@ class block_manager {
         return $results;
     }
 
+    /**
+     * Create all the bock instances for all the blocks that were loaded by
+     * load_blocks. This is used, for example, to ensure that all blocks get a
+     * chance to initialise themselves via the {@link block_base::specialize()}
+     * method, before any output is done.
+     */
+    public function create_all_block_instances() {
+        foreach ($this->get_regions() as $region) {
+            $this->ensure_instances_exist($region);
+        }
+    }
+
     /**
      * Return an array of content vars from a set of block instances
      *
diff --git a/lib/pagelib.php b/lib/pagelib.php
index bf19c141d8..4e00186161 100644
--- a/lib/pagelib.php
+++ b/lib/pagelib.php
@@ -880,6 +880,7 @@ class moodle_page {
                 $this->_block_actions_done = true;
                 redirect($this->url->out(false, array(), false));
             }
+            $this->blocks->create_all_block_instances();
         }
 
         // If maintenance mode is on, change the page header.
-- 
2.39.5