PHP

how to get week start date in php

$firstday = date('l - d/m/Y', strtotime("this week"));
echo "First day of this week: ", $firstday;

php get this week date range

$monday = strtotime('last monday', strtotime('tomorrow'));
$sunday = strtotime('+6 days', $monday);
echo "<P>". date('d-M-Y', $monday) . " to " . date('d-M-Y', $sunday) . "</P>";

php get day of week number

echo date('d', strtotime('2022-02-02')); // 02
echo date('j', strtotime('2022-02-02')); // 2