$Web NoCache: Difference between revisions

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{{DISPLAYTITLE:$Web_NoCache}}
{{DISPLAYTITLE:$Web_NoCache}}
<span class="pageSubtitle"><section begin="desc" />Set HTTP response headers so fresh page displayed<section end="desc" /></span>
<span class="pageSubtitle">Set HTTP response headers so fresh page displayed</span>


$Web_NoCache sets various HTTP response headers so that the browser will display the new version of the response page, regardless of any cached versions.
<var>$Web_NoCache</var> sets various HTTP response headers so that the browser will display the new version of the response page, regardless of any cached versions.


$Web_NoCache does not take any arguments and it returns a numeric status code. It is a callable $function (see [[Calling_Sirius_Mods_$functions|"Calling Sirius Mods $functions"]]).
<var>$Web_NoCache</var> does not take any arguments and it returns a numeric status code. It is a [[Calling Sirius Mods $functions|callable]] $function.


==Syntax==
==Syntax==
<p class="syntax"><section begin="syntax" />%rc = $Web_NoCache
<p class="syntax"><span class="term">%rc</span> = $Web_NoCache
<section end="syntax" /></p>
</p>


===Syntax terms===
===Syntax terms===
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==Usage notes==
==Usage notes==
$Web_NoCache is useful if you know that the page contains new information that the web user should see.
<var>$Web_NoCache</var> is useful if you know that the page contains new information that the web user should see.


==Examples==
==Examples==

Latest revision as of 18:18, 10 April 2013

Set HTTP response headers so fresh page displayed

$Web_NoCache sets various HTTP response headers so that the browser will display the new version of the response page, regardless of any cached versions.

$Web_NoCache does not take any arguments and it returns a numeric status code. It is a callable $function.

Syntax

%rc = $Web_NoCache

Syntax terms

%rc A numeric status code:
Code Meaning
0 Completed successfully
-1 Not a web thread

Usage notes

$Web_NoCache is useful if you know that the page contains new information that the web user should see.

Examples

* Ensure new version of page is seen: %X = $Web_NoCache