Having a weird issue with the date stored in a zend date object changing:
Zend_Date::setOptions(array('format_type' => 'php'));//in bootstrap
$start_date = new Zend_Date('2011-05-19','Y-m-d');
$today = new Zend_Date(NULL,'Y-m-d');
$end_date = new Zend_Date('2011-06-19','Y-m-d');
$x = $end_date->sub($today);
$days_left = $x->toValue()/60/60/24;
//$days_left = 4 which is correct
//$end_date->__toString() at this point is "Jun 19, 2011 12:00:00 AM"
$y = $end_date->sub($start_date);
$days_in_period = $y->toValue()/60/60/24;
//$days_in_period = -15108.9583333
//$end_date->__toString() at this point is "Aug 20, 1928 2:00:00 AM"
If I create a new $end_date object before the second ->sub, I get the
correct $days_in_period (31). Do I really need to do that every time I call
a new method or am I missing something?
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