<?php
$date1 = '16-MAR-2015';
$date2 = '04-FEB-15';
$dateComp1 = new DateTime($date1);
$dateComp2 = new DateTime($date2);
if ($dateComp1 <= $dateComp2) {
echo "true";
}
if ($dateComp1 >= $dateComp2) {
echo "false";
}
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