php 获取 今天 昨天 本周 上周 本月 方法

[code=plain]        //本日
$today['begin'] = mktime(0,0,0,date('m'),date('d'),date('Y'));
$today['end'] = mktime(0,0,0,date('m'),date('d')+1,date('Y'))-1;
//昨日
$tomorrow['begin'] = mktime(0,0,0,date('m'),date('d')-1,date('Y'));
$tomorrow['end'] = mktime(0,0,0,date('m'),date('d'),date('Y'))-1;
//本周
$week['begin'] = mktime(0,0,0,date('m'),date('d')-date('w')+1,date('Y'));
$week['end'] = mktime(23,59,59,date('m'),date('d')-date('w')+7,date('Y'));
//上周
$lastWeek['begin'] = mktime(0,0,0,date('m'),date('d')-date('w')+1-7,date('Y'));
$lastWeek['end'] = mktime(23,59,59,date('m'),date('d')-date('w')+7-7,date('Y'));
//本月
$month['begin'] = mktime(0,0,0,date('m'),1,date('Y'));
$month['end'] = mktime(23,59,59,date('m'),date('t'),date('Y'));