How can the week number be displayed in a PHP calendar?

To display the week number in a PHP calendar, you can use the `date()` function with the 'W' format character, which represents the ISO-8601 week number of the year. You can then use this week number to display it in your calendar interface. 

<?php
// Get the current week number
$currentWeek = date('W');

// Display the week number in your calendar interface
echo "Week number: " . $currentWeek;
?>

Keywords

PHP calendar week number date function strftime

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