PHP Date commonly used formats

PHP: PHP Date commonly used formats

The date() function in PHP is very simple. It takes two arguments (the second is optional) - the $format, and the optional $timestamp - date('y-m-d',time()- 31536000) = 17-10-12

(If no timestamp is provided then it uses the current date/time. The timestamp is in seconds, since January 1 1970 00:00:00 GMT. Current timestamp right now: 1539357386

The most difficult part of using date() in PHP is remembering its format.

The following characters are recognized in the
format parameter string
format characterDescriptionExample returned values
Day------
dDay of the month, 2 digits with leading zeros01 to 31
DA textual representation of a day, three lettersMon through Sun
jDay of the month without leading zeros1 to 31
l (lowercase 'L')A full textual representation of the day of the weekSunday through Saturday
NISO-8601 numeric representation of the day of the week (added in
PHP 5.1.0)
1 (for Monday) through 7 (for Sunday)
SEnglish ordinal suffix for the day of the month, 2 characters st, nd, rd or
th. Works well with j
wNumeric representation of the day of the week0 (for Sunday) through 6 (for Saturday)
zThe day of the year (starting from 0)0 through 365
Week------
WISO-8601 week number of year, weeks starting on MondayExample: 42 (the 42nd week in the year)
Month------
FA full textual representation of a month, such as January or MarchJanuary through December
mNumeric representation of a month, with leading zeros01 through 12
MA short textual representation of a month, three lettersJan through Dec
nNumeric representation of a month, without leading zeros1 through 12
tNumber of days in the given month28 through 31
Year------
LWhether it's a leap year1 if it is a leap year, 0 otherwise.
oISO-8601 week-numbering year. 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
YA full numeric representation of a year, 4 digitsExamples: 1999 or 2003
yA two digit representation of a yearExamples: 99 or 03
Time------
aLowercase Ante meridiem and Post meridiemam or pm
AUppercase Ante meridiem and Post meridiemAM or PM
BSwatch Internet time000 through 999
g12-hour format of an hour without leading zeros1 through 12
G24-hour format of an hour without leading zeros0 through 23
h12-hour format of an hour with leading zeros01 through 12
H24-hour format of an hour with leading zeros00 through 23
iMinutes with leading zeros00 to 59
sSeconds, with leading zeros00 through 59
u Microseconds (added in PHP 5.2.2). Note that
date() will always generate
000000 since it takes an integer
parameter, whereas DateTime::format() does
support microseconds if DateTime was
created with microseconds.
Example: 654321
v Milliseconds (added in PHP 7.0.0). Same note applies as for
u.
Example: 654
Timezone------
eTimezone identifier (added in PHP 5.1.0)Examples: UTC, GMT, Atlantic/Azores
I (capital i)Whether or not the date is in daylight saving time1 if Daylight Saving Time, 0 otherwise.
ODifference to Greenwich time (GMT) in hoursExample: +0200
PDifference to Greenwich time (GMT) with colon between hours and minutes (added in PHP 5.1.3)Example: +02:00
TTimezone abbreviationExamples: EST, MDT ...
ZTimezone 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
Full Date/Time------
cISO 8601 date (added in PHP 5)2004-02-12T15:19:21+00:00
r» RFC 2822 formatted dateExample: Thu, 21 Dec 2000 16:01:07 +0200
USeconds since the Unix Epoch (January 1 1970 00:00:00 GMT)See also time()
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I am a 29 year old backend web developer from London, mostly focusing on PHP and Laravel lately. This (webdevetc.com) is my blog where I write about some web development topics (PHP, Laravel, Javascript, and some server stuff). contact me here.



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