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isopod.cool/blog/posts/post_dates.php

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<?php
$cwd = preg_replace('/^.*\//', '', getcwd());
$feed = simplexml_load_file($_SERVER['DOCUMENT_ROOT']."/blog/blog.atom");
$pdate = "";
$udate = "";
foreach($feed->entry as $entry) {
if($entry->id == $cwd) {
$pdate = preg_replace('/T.*$/', ' ', $entry->published);
$udate = preg_replace('/T.*$/', ' ', $entry->updated);
break;
}
}
echo("<p style='text-align: center;'><em>Posted&nbsp;on&nbsp;$pdate");
if($pdate != $udate) {
echo(" | Updated&nbsp;on&nbsp;$udate");
}
echo("</em></p>");
?>