How can I determine if a given date falls within the current week in PHP?

To determine if a given date falls within the current week in PHP, you can compare the week number of the given date with the week number of the current date. You can use the `date()` function in PHP to get the week number of a date and compare it with the week number of the current date.

$givenDate = strtotime('2022-01-15');
$currentDate = time();

if(date('W', $givenDate) == date('W', $currentDate)) {
    echo "Given date falls within the current week.";
} else {
    echo "Given date does not fall within the current week.";
}