Number of Days between Two Dates

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How can we know the number of days between two given dates in PHP?

✍: FYIcenter

Simple arithmetic:

<?php
$date1 = date('Y-m-d');
$date2 = '2006-07-01';
$days = (strtotime($date1) - strtotime($date2)) / (60
* 60 * 24);
$days = (int) $days;
echo "Number of days since '2006-07-01': $days";
?>

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