date
(PHP 4, PHP 5)
date
— Format a local time/date
初始化局部时间
Description
string
date
( string
$format
[, int
$timestamp
= time()
] )
format
The format of the outputted date string
. See the formatting
options below. There are also several
predefined date constants
that may be used instead, so for example DATE_RSS
contains the format string 'D, d M Y H:i:s'
.
根据格式输出时间String。可以看下列的格式符。当然,也有一些常量代表一些常用时间格式。比如说DATE_RSS就包含格式String ‘D, d M Y H:i:s’ 。
day
d Day of the month, 2 digits with leading zeros 01
to 31
一个月中天数,两位,不足补零。
D A textual representation of a day, three letters Mon
through Sun
以三个字符表示星期几。
j Day of the month without leading zeros 一个月中天数,不补零。
l(lowercase 'L') A full textual representation of the day of the week Sunday
through Saturday
完整表示星期几。
N ISO-8601 numeric representation of the day of the week (added in
PHP 5.1.0) 1
(for Monday) through 7
(for Sunday) 以数字表示星期几(ISO-8601)
S English ordinal suffix for the day of the month, 2 characters st
, nd
, rd
or
th
. Works well with j
以英语的序列数表示一个月中天数,两位,和j一样。
w Numeric representation of the day of the week 0
(for Sunday) through 6
(for Saturday) 以数字表示星期几(从0开始)。
z The day of the year (starting from 0) 0
through 365
一年中天数(从0开始)。
week
W ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0) Example: 42
(the 42nd week in the year) 以数字表示一年中第几个星期,一个星期以星期一开始。
month
F A full textual representation of a month, such as January or March January
through December
一年中月份的完全表示。
m Numeric representation of a month, with leading zeros 01
through 12
一年中月份用数字两位表示,不足补零。
M A short textual representation of a month, three letters Jan
through Dec
一年中月份的简略表示,三位。
n Numeric representation of a month, without leading zeros 1
through 12
一年中月份用数字表示,不补零。
t Number of days in the given month 28
through 31
给定的月份的天数。
year
F Whether it's a leap year 1
if it is a leap year, 0
otherwise. 闰年返回1,否则返回0。
o ISO-8601 year number. This has the same value as
Y
, except that if the ISO week number
(W
) belongs to the previous or next year, that year
is used instead. (added in PHP 5.1.0) Examples: 1999
or 2003
和Y功能相同,如果W的值在前一年和下一年,就用这一年的年份代替。
Y A full numeric representation of a year, 4 digits Examples: 1999
or 2003
以四位数字表示年份。
y A two digit representation of a year Examples: 99
or 03
以两位数字表示年份。
time
a Lowercase Ante meridiem and Post meridiem am
or pm
小写的am和pm表示上午和中午。
A Uppercase Ante meridiem and Post meridiem AM
or PM
大写的AM和PM表示上午和中午。
B Swatch Internet time 000
through 999
Swatch网络时间
g 12-hour format of an hour without leading zeros 1
through 12
12小时制表示时间,不补零。
G 24-hour format of an hour without leading zeros 0
through 23
24小时制表示时间,不补零。
h 12-hour format of an hour with leading zeros 01
through 12
12小时制表示时间,补零。、
H 24-hour format of an hour with leading zeros 0
through 23
24小时制表示时间,补零。
i Minutes with leading zeros 00
to 59
表示小时中分钟数,补零。
s Seconds, with leading zeros 00
through 59
表示秒数,补零。
u Microseconds (added in PHP 5.2.2) Example: 654321
微秒表示。
timezone
e Timezone identifier (added in PHP 5.1.0) Examples: UTC
, GMT
, Atlantic/Azores
时区标识符。
I(capital i) Whether or not the date is in daylight saving time 是否为夏令时,是返回1,不是0。
O Difference to Greenwich time (GMT) in hours Example: +0200
与GMT时区相差几个小时。
P Difference to Greenwich time (GMT) with colon between hours and minutes (added in PHP 5.1.3) Example: +02:00
与GMT时区相差多少小时分钟。冒号分隔小时和分钟。
T Timezone abbreviation Examples: EST
, MDT
... 时区的缩写。
Z Timezone offset in seconds. The offset for timezones west of UTC is always
negative, and for those east of UTC is always positive. -43200
through 50400
时区偏移的秒数,UTC以西为负数,以东为正数。
full date/time
c ISO 8601 date (added in PHP 5) 2004-02-12T15:19:21+00:00
r » RFC 2822
formatted date Example: Thu, 21 Dec 2000 16:01:07 +0200
U Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT) See also time()
Unix纪元(1970年)。
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