Code to generate an array of months from the starting month to the ending month within a certain time period

/**
* Generate a month array from the start month to the end month of a certain time period
* @param unknown_type $start
* @param unknown_type $end
* url: http://bbs.it-home.org
*/
function getMonthArr($start, $end)
{
$start = empty($start) ? date('Y- m',strtotime('-1 month')) : $start;
$end = empty($end) ? date('Y-m') : $end;
// Convert to timestamp
$st = strtotime($start.'-01');
$et = strtotime($end.'-01');
$t = $st;
$i = 0;
while($t <= $et)
{
/*
The calculation formula for accumulating the total number of seconds in each month: the timestamp seconds on the 1st of the previous month minus the number of seconds in the current month Timestamp seconds
*/
$d[$i] = trim(date('Y-m',$t),' ');
$t += strtotime('+1 month', $t)- $t;
$i++;
}
return $d;
}
?>