How can PHP's strtotime() function be used effectively to handle date and time calculations, especially in cases involving calendar weeks?

When dealing with date and time calculations, especially involving calendar weeks, PHP's strtotime() function can be used effectively to convert date and time strings into timestamps for easy manipulation. By using strtotime() in combination with date() and strtotime() functions, you can easily calculate the start and end dates of a specific calendar week. 

// Get the start date of the current calendar week
$week_start = strtotime('last monday', strtotime('tomorrow'));

// Get the end date of the current calendar week
$week_end = strtotime('next sunday', $week_start);

// Display the start and end dates of the current calendar week
echo "Week Start: " . date('Y-m-d', $week_start) . "<br>";
echo "Week End: " . date('Y-m-d', $week_end);

Keywords

PHP strtotime() date and time calculations calendar weeks

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