compare date php sql code example

Example 1: php compare two dates

$today = date("Y-m-d");
$expire = $row->expireDate; //from database

$today_time = strtotime($today);
$expire_time = strtotime($expire);

if ($expire_time < $today_time) { /* do Something */ }

Example 2: php date compare with today

<?php

$datetime1 = new DateTime('2009-10-11 12:12:00');
$datetime2 = new DateTime('2009-10-13 10:12:00');

if ($datetime1 > $datetime2) {
    echo 'datetime1 greater than datetime2';
}

if ($datetime1 < $datetime2) {
    echo 'datetime1 lesser than datetime2';
}

if ($datetime1 == $datetime2) {
    echo 'datetime2 is equal than datetime1';
}

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Php Example