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authorDerek Jones <derek.jones@ellislab.com>2010-09-28 20:14:57 +0200
committerDerek Jones <derek.jones@ellislab.com>2010-09-28 20:14:57 +0200
commitd76334998db618d4633886bbcecc84658b50ab23 (patch)
treebfcf3cd6efafaf355d18fb539790e1413f667437 /user_guide/general/controllers.html
parente77162b9d3233cf6de1f4830262b79b3c2235ed3 (diff)
fixed a bug where the Output class would send incorrect cached data for controllers implementing their own _output() methods
Diffstat (limited to 'user_guide/general/controllers.html')
-rw-r--r--user_guide/general/controllers.html11
1 files changed, 10 insertions, 1 deletions
diff --git a/user_guide/general/controllers.html b/user_guide/general/controllers.html
index 9658df876..2020011d9 100644
--- a/user_guide/general/controllers.html
+++ b/user_guide/general/controllers.html
@@ -268,7 +268,16 @@ function _output($output)<br />
<p class="important">Please note that your <dfn>_output()</dfn> function will receive the data in its finalized state. Benchmark and memory usage data will be rendered,
cache files written (if you have caching enabled), and headers will be sent (if you use that <a href="../libraries/output.html">feature</a>)
-before it is handed off to the _output() function. If you are using this feature the page execution timer and memory usage stats might not be perfectly accurate
+before it is handed off to the _output() function.<br />
+<br />
+To have your controller's output cached properly, its <dfn>_output()</dfn> method can use:<br />
+
+<code>if ($this-&gt;output-&gt;cache_expiration &gt; 0)<br />
+{<br />
+&nbsp;&nbsp;&nbsp;&nbsp;$this-&gt;output-&gt;write_cache($output);<br />
+}</code>
+
+If you are using this feature the page execution timer and memory usage stats might not be perfectly accurate
since they will not take into acccount any further processing you do. For an alternate way to control output <em>before</em> any of the final processing is done, please see
the available methods in the <a href="../libraries/output.html">Output Class</a>.</p>