How to set date format in php

You can use the date function to set the date format in PHP. This function can format the timestamp into a more readable date and time. Its usage syntax is "string date(string $format[,int $timestamp])".

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

PHP date() function

PHP date() function can format the timestamp into a more readable date and time.

Tip timestamp is a character sequence that represents the date/time when a certain event occurred.

Syntax

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

Parameters

format required. Specifies the format of the timestamp.

timestamp Optional. Specify timestamp. The default is the current date and time.

PHP Date() - Format date

The first required parameter of the date() function, format, specifies how to format the date/time.

Here are some available characters:

d - represents the day of the month (01 - 31)

m - represents the month (01 - 12)

Y - represents the year (four digits)

For a list of all characters available in the format parameter, please consult our PHP Date reference manual, date() function.

You can insert other characters between letters, such as "/", "." or "-", so that you can add additional formatting:

<?php
echo date("Y/m/d") . "<br>";
echo date("Y.m.d") . "<br>";
echo date("Y-m-d");
?>

The output of the above code is as follows :

2016/10/21
2016.10.21
2016-10-21

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------Day of the month, 2 digits with leading zero The day of the week, text indicates , 3 letters ##j1##l( Lowercase "L") to N (meaning Monday) to S, ## together with j06z0365 ---ISO-8601 format Week in year, weekly Starting from Monday (new in PHP 4.1.0) (the 42nd week of the year)---##Fmonth, complete Text format, such as January or MarchDecember Numerical month, with leading zeros Three-letter abbreviation for the month Number of months, without leading zeros 28---LIf it is a leap year, it is1Y except if ISO If the week number (W1999For example: 1999 or For example: 99 or ##TimeLowercase AM and PM values ​​ or pm##APMSwatch Internet Standard Time Hour, 24 hour format, with leading zeros Number of minutes with leading zeros Number of seconds with leading zeros milliseconds (new in PHP 5.2.2). It should be noted that the date() ​​​​parameters, and DateTime::format() only supports milliseconds.Is it daylight saving time If it is daylight saving time, it is The number of hours from Greenwich Mean TimeFor example: ##P 02:00TESTZ-43200Complete date/timecrThu, 21 Dec 2000 16:01:07 0200##USee

The format string can recognize the string of the following format parameters

format characters	Description	Example of return value
##日
d		01 To 31
D		Mon to Sun
month Days in , without leading zeros		to 31
Day of the week, complete text format	Sunday	Saturday
#Day of the week represented by numbers in ISO-8601 format (newly added in PHP 5.1.0)	1	7 (meaning Sunday)
The English suffix after the number of days in a month, 2 characters	st	nd, rd or th. You can use w
. The number represents the day of the week.	(meaning Sunday) to	(meaning Saturday)
in the year The days from	to	##week
---		W
For example: 42		Month
---
January to		##m
01 to 12		M
Jan to Dec		n
1 to 12		##tThe number of days in a given month
to 31		年---
		Whether it is a leap year
, otherwise it is0		oISO-8601 format year number. This is the same value as
) of   belongs to the previous year or the next year, use that year. (New in PHP 5.1.0) Examples:	or 2003	##Y A complete year represented by 4 digits
2003		y2-digit year
03		------
##a		am
		Capitalized AM and PM values ​​AM or
##B		000 to 999
##g	hour, 12 hour format, no leading zeros	1 to 12
G	Hour, 24 hour format, no leading zeros	0 to 23
h	hour, 12 hour format, with leading zeros	01 to 12
##H		00 to 23
i		00 to 59>
s		00 to 59>
u		function always returns 000000 because it only accepts integer
Example: 654321
Time zone	---	- --
e	Time zone identifier (newly added in PHP 5.1.0)	For example: UTC, GMT, Atlantic/Azores
##I		1, otherwise it is 0
O		0200
The difference from Greenwich Mean Time (GMT), hours and minutes are separated by a colon (newly added in PHP 5.1.3)	For example:
The time zone where this machine is located	For example:	,MDT(【译Editor's Note] In Windows Below is the complete text format, such as "Eastern Standard Time", the Chinese version will display "China Standard Time").
The number of seconds for the time difference offset. Time zone offsets west of UTC are always negative, and time zone offsets east of UTC are always positive.		To 43200
---	---
Date in ISO 8601 format (new in PHP 5)	2004-02-12T15:19:21 00:00
RFC 822 date format	For example:
From the Unix epoch ( Number of seconds since January 1 1970 00:00:00 GMT)	time()

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