php check if valid date code example

Example 1: php check if input is date

function isRealDate($date) { 
    if (false === strtotime($date)) { 
        return false;
    } 
    list($year, $month, $day) = explode('-', $date); 
    return checkdate($month, $day, $year);
}

Example 2: check if date is past php

$date = new DateTime($event['date']);
$now = new DateTime();
if($date < $now) {
    echo 'Date is in the past';
}

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