Here\'s a summary of the issue: On Sundays, strtotime(\'this week\') returns the start of next week.
strtotime(\'this week\')
In PHP, the week seems to start on Monday. But, on
I think instead of trying
echo date('Y-m-d', strtotime('monday this week', strtotime('last sunday')));
you should try
echo date('Y-m-d', strtotime('monday last week'));