<?php
/**date 2015-04-11
* author http://www.lai18.com
**/
echo
date
(
"Ymd"
,
strtotime
(
"now"
)),
"\n"
;
echo
date
(
"Ymd"
,
strtotime
(
"-1 week Monday"
)),
"\n"
;
echo
date
(
"Ymd"
,
strtotime
(
"-1 week Sunday"
)),
"\n"
;
echo
date
(
"Ymd"
,
strtotime
(
"+0 week Monday"
)),
"\n"
;
echo
date
(
"Ymd"
,
strtotime
(
"+0 week Sunday"
)),
"\n"
;
echo
"*********第几个月:"
;
echo
date
(
'n'
);
echo
"*********本周周几:"
;
echo
date
(
"w"
);
echo
"*********本月天数:"
;
echo
date
(
"t"
);
echo
"*********"
;
echo
'<br>上周起始时间:<br>'
;
echo
date
(
"Y-m-d H:i:s"
,
mktime
(0, 0 , 0,
date
(
"m"
),
date
(
"d"
)-
date
(
"w"
)+1-7,
date
(
"Y"
))),
"\n"
;
echo
date
(
"Y-m-d H:i:s"
,
mktime
(23,59,59,
date
(
"m"
),
date
(
"d"
)-
date
(
"w"
)+7-7,
date
(
"Y"
))),
"\n"
;
echo
'<br>本周起始时间:<br>'
;
echo
date
(
"Y-m-d H:i:s"
,
mktime
(0, 0 , 0,
date
(
"m"
),
date
(
"d"
)-
date
(
"w"
)+1,
date
(
"Y"
))),
"\n"
;
echo
date
(
"Y-m-d H:i:s"
,
mktime
(23,59,59,
date
(
"m"
),
date
(
"d"
)-
date
(
"w"
)+7,
date
(
"Y"
))),
"\n"
;
echo
'<br>上月起始时间:<br>'
;
echo
date
(
"Y-m-d H:i:s"
,
mktime
(0, 0 , 0,
date
(
"m"
)-1,1,
date
(
"Y"
))),
"\n"
;
echo
date
(
"Y-m-d H:i:s"
,
mktime
(23,59,59,
date
(
"m"
) ,0,
date
(
"Y"
))),
"\n"
;
echo
'<br>本月起始时间:<br>'
;
echo
date
(
"Y-m-d H:i:s"
,
mktime
(0, 0 , 0,
date
(
"m"
),1,
date
(
"Y"
))),
"\n"
;
echo
date
(
"Y-m-d H:i:s"
,
mktime
(23,59,59,
date
(
"m"
),
date
(
"t"
),
date
(
"Y"
))),
"\n"
;
echo
'<br>本季度起始时间:<br>'
;
$season
=
ceil
((
date
(
'n'
))/3);
//当月是第几季度
echo
date
(
'Y-m-d H:i:s'
,
mktime
(0, 0, 0,
$season
*3-3+1,1,
date
(
'Y'
))),
"\n"
;
echo
date
(
'Y-m-d H:i:s'
,
mktime
(23,59,59,
$season
*3,
date
(
't'
,
mktime
(0, 0 , 0,
$season
*3,1,
date
(
"Y"
))),
date
(
'Y'
))),
"\n"
;
echo
'<br>上季度起始时间:<br>'
;
$season
=
ceil
((
date
(
'n'
))/3)-1;
//上季度是第几季度
echo
date
(
'Y-m-d H:i:s'
,
mktime
(0, 0, 0,
$season
*3-3+1,1,
date
(
'Y'
))),
"\n"
;
echo
date
(
'Y-m-d H:i:s'
,
mktime
(23,59,59,
$season
*3,
date
(
't'
,
mktime
(0, 0 , 0,
$season
*3,1,
date
(
"Y"
))),
date
(
'Y'
))),
"\n"
;
?>