What are the best practices for casting the calendar week result in PHP to ensure accuracy?

When casting the calendar week result in PHP, it is important to ensure accuracy by using the `date()` function with the 'W' format specifier, which returns the ISO-8601 week number of a given date. This ensures that the week numbering is consistent and follows the international standard. 

// Get the calendar week number using the ISO-8601 standard
$weekNumber = date('W', strtotime('2022-09-15'));
echo $weekNumber;

Keywords

casting calendar week accuracy PHP functions

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