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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 a string generated by converting the integer timestamp according to the given format string. If no timestamp is given, the local current time is used. In other words, timestamp is optional and the default value is time().
Format string can identify the string of the following format parameter
Day --- ---
d The first day of the month Day, 2 digits with leading zero 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 The day of the week expressed as a number 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 (indicating Sunday) to 6 (indicating 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 (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 are there 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 (newly added 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 separating 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] Full text under Windows Format, such as "Eastern Standard Time", the Chinese version will display "China Standard 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 RFC 822 format date For example: Thu, 21 Dec 2000 16:01:07 0200
U Number of seconds since the Unix epoch (January 1 1970 00:00:00 GMT) See time()
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