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<?php
set_include_path(get_include_path() . PATH_SEPARATOR . realpath(dirname(__FILE__) . '/../../min/lib'));
require 'HTTP/ConditionalGet.php';
// emulate regularly updating document
$every = 20;
$lastModified = round(time()/$every)*$every - $every;
$cg = new HTTP_ConditionalGet(array(
'lastModifiedTime' => $lastModified
));
$cg->sendHeaders();
if ($cg->cacheIsValid) {
// we're done
exit();
}
$title = 'Last-Modified is known : simple usage';
$explain = '
<p>If your content has not changed since a certain timestamp, set this via the
the <code>lastModifiedTime</code> array key when instantiating HTTP_ConditionalGet.
You can immediately call the method <code>sendHeaders()</code> to set the
Last-Modified, ETag, and Cache-Control headers. The, if <code>cacheIsValid</code>
property is false, you echo the content.</p>
<p>This script emulates a document that changes every ' .$every. ' seconds.
<br>This is version: ' . date('r', $lastModified) . '</p>
';
require '_include.php';
echo send_slowly(get_content(array(
'title' => $title
,'explain' => $explain
)));
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