/** |
* 用于显示上个月和下个月 |
* @param int $sign 1:表示上个月 0:表示下个月 |
* @return string |
*/ |
function GetMonth( $sign = "1" ){ |
//得到系统的年月 |
$tmp_date = date ( "Ym" ); |
//切割出年份 |
$tmp_year = substr ( $tmp_date ,0,4); |
//切割出月份 |
$tmp_mon = substr ( $tmp_date ,4,2); |
$tmp_nextmonth = mktime (0,0,0, $tmp_mon +1,1, $tmp_year ); |
$tmp_forwardmonth = mktime (0,0,0, $tmp_mon -1,1, $tmp_year ); |
if ( $sign ==0){ |
//得到当前月的下一个月 |
return $fm_next_month = date ( "Ym" , $tmp_nextmonth ); |
} else { |
//得到当前月的上一个月 |
return $fm_forward_month = date ( "Ym" , $tmp_forwardmonth ); |
} |
} |