php convert timestamp to date

php Convert timestamp to date

The function to convert timestamp to date in php is "date()", this function The usage is "date($format,$timestamp)", its parameter $format represents the date format to be converted, and parameter $timestamp represents the timestamp to be converted. The default value is the current timestamp.

date description

date ( string $format [, int $timestamp ] ) : string

Returns the integer timestamp generated according to the given format string String. If no timestamp is given, the local current time is used. In other words, timestamp is optional and the default value is time().

The format string can identify the string of the following format parameter

Day --- ---

d The first day of the month Days, 2 digits with leading zeros 01 to 31

D Day of the week, text representation, 3 letters Mon to Sun

j Day of the month, No leading zeros 1 to 31

l (lowercase letter "L") Day of the week, complete text format Sunday to Saturday

N ISO-8601 format numeric day of the week Days (newly added in PHP 5.1.0) 1 (meaning Monday) to 7 (meaning Sunday)

S ​​The English suffix after the number of days in a month, 2 characters st, nd, rd or th. Can be used with j

w The day of the week, the number represents 0 (for Sunday) to 6 (for Saturday)

z The day of the year 0 to 365

Week --- --- ---

W The number of the week in the year in ISO-8601 format, each week starts on Monday (newly added in PHP 4.1.0) For example: 42 (of the current year Week 42)

Month --- ---

F Month, complete text format, such as January or March January to December

m Month represented by numbers, With leading zeros 01 to 12

M Three-letter abbreviations for the month Jan to Dec

n Numbers for the month without leading zeros 1 to 12

t Specified How many days in the month 28 to 31

Year --- ---

L Whether it is a leap year If it is a leap year, it is 1, otherwise it is 0

o ISO-8601 format Year number. This is the same value as Y , except that if the ISO week number (W) belongs to the previous or next year, that year is used. (Newly added in PHP 5.1.0) Examples: 1999 or 2003

Y 4-digit full year representation For example: 1999 or 2003

y 2-digit year representation For example: 99 or 03

Time --- ---

a Lowercase morning and afternoon values ​​am or pm

A Uppercase morning and afternoon values ​​AM or PM

B Swatch Internet Standard Time 000 to 999

g Hours, 12-hour format, no leading zeros 1 to 12

G Hours, 24-hour format, no leading zeros 0 to 23

h Hours, 12-hour format, with leading zeros 01 to 12

H Hours, 24-hour format, with leading zeros 00 to 23

i Minutes with leading zeros 00 to 59> ;

s Number of seconds, with leading zeros 00 to 59>

u Milliseconds (new in PHP 5.2.2). It should be noted that the date() function always returns 000000 because it only accepts integer parameters, and DateTime::format() only supports milliseconds. Example: 654321

Time zone --- ---

e Time zone identifier (new in PHP 5.1.0) For example: UTC, GMT, Atlantic/Azores

I Whether It is daylight saving time. If it is daylight saving time, it is 1, otherwise it is 0.

O The number of hours difference from Greenwich Mean Time For example: 0200

P The difference from Greenwich Mean Time (GMT), there is a colon between hours and minutes (newly added in PHP 5.1.3) For example: 02:00

T The time zone where this machine is located For example: EST, MDT ([Translator's Note] In complete text format under Windows, such as "Eastern Standard Time", the Chinese version will display "China Standard Time" time").

Z The number of seconds of the time difference offset. Time zone offsets west of UTC are always negative, and time zone offsets east of UTC are always positive. -43200 to 43200

Complete date/time --- ---

c Date in ISO 8601 format (new in PHP 5) 2004-02-12T15:19:21 00: 00

r Date in RFC 822 format For example: Thu, 21 Dec 2000 16:01:07 0200

U From the Unix epoch (January 1 1970 00:00:00 GMT) to the present Seconds See time()

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