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<?php echo $drst = strtotime('2013-10-31 00:00:00'); echo '<br/>'; echo $drstRev = strtotime('-1 month', $drst); echo '<br/>'; echo date('Y-m-d', $drstRev); ?>
Output for git.master, git.master_jit, rfc.property-hooks
1383174000<br/>1380578400<br/>2013-10-01

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