1, year-month-day
echo Date (' y-m-j ');
2007-02-6
echo Date (' y-n-j ');
07-2-6
Capital Y represents a four-digit year, while lowercase y represents a two-digit number for the year;
Lowercase m represents the number of months (with leading), while lowercase n indicates the number of months without leading.
echo Date (' y-m-j ');
2007-feb-6
echo Date (' y-m-d ');
2007-02-06
Uppercase M represents the 3 abbreviations for the month, while lowercase m represents the number of months (with a leading 0);
There is no uppercase J, only lowercase J indicates the date of the month, no leading o, and lowercase D if you want the month band leading.
echo Date (' y-m-j ');
2007-feb-6
echo Date (' Y-f-js ');
2007-february-6th
Capital M represents the 3 abbreviations of the month, while capital F indicates the full English of the month. (No lowercase f)
Uppercase S represents the suffix of a date, such as "St", "nd", "rd", and "th", depending on the date number.
Summary:
Indicates that the year can be in uppercase Y and lowercase y;
Indicates that the month can be in uppercase F, uppercase M, lowercase m, and lowercase n (two ways of representing characters and numbers, respectively);
Indicates that the day can be a suffix of a date with lowercase d and lowercase j, uppercase S.
2, when: minutes: seconds
By default, PHP interprets the time as "Greenwich Mean Time", which is 8 hours away from our local time.
echo Date (' g:i:s a ');
5:56:57 am
echo Date (' H:i:s A ');
05:56:57 AM
Lowercase g represents a 12-hour system with no leading 0, while lowercase h indicates a 12-hour system with a leading 0.
When using a 12-hour system, you need to indicate that in the afternoon, lowercase a is the lowercase "am" and "PM", and capital a denotes "AM" and "PM" uppercase.
echo Date (' g:i:s ');
14:02:26
Capital G represents 24 hours of hours, but not leading; use uppercase H to indicate a 24 hour system with a leading number of hours
Summary:
The letter G indicates that the hour is not leading, and the letter H denotes the hour with leading;
Lowercase g, h means 12-hour system, capital G, H is 24-hour system.
3, Leap year, week, day
echo Date (' L ');
Whether this year leap years: 0
echo Date (' L ');
Today is: Tuesday
echo Date (' D ');
Today is: Tue
Capital L indicates whether a leap year is a Boolean value that returns 1 for true or 0;
Lowercase L means the day is the week of the English full write (Tuesday);
Instead, use uppercase D to denote the 3-character abbreviation for the Day of the Week (Tue).
echo Date (' W ');
Today's Week: 2
echo Date (' W ');
This week is the No. 06 week of the year.
The lowercase w represents the day of the week, the number form represents
Capital W indicates the number of weeks in a year
echo Date (' t ');
This month is 28 days
echo Date (' Z ');
Today is the 36th day of the year.
Lowercase T represents the current month and how many days
Lowercase Z means today is the first day of the year
4, other
echo Date (' T ');
Utc
Capital T indicates the time zone setting of the server
echo Date (' I ');
0
Capital I indicates whether the current is daylight saving time, returns 1 for true, or 0
echo Date (' U ');
1170769424
The capital U represents the total number of seconds from January 1, 1970 to the present, which is the Unix time stamp for the Unix time era.
echo Date (' C ');
2007-02-06t14:24:43+00:00
Lowercase C represents the ISO8601 date, the date format is YYYY-MM-DD, the date and time is separated by the letter T, the time format is HH:MM:SS, and the time zone uses the deviation of Greenwich Mean Time (GMT).
echo Date (' R ');
Tue, Feb 2007 14:25:52 +0000
Lowercase R represents the RFC822 date.
Instance:
Copy Code code as follows:
<?php
/*
@author Hills
@tencentqq 3303911
@web www.abzz.net
@email hackhgs@qq.com
@blog blog.abzz.net
@mobiletelethone 1345-2626-567
@filecreate 2009-12-25-13:20,copyright Hills
*/
$UTC =date ("T");
if ($utc = = "UTC")
$h =date ("H") +8;
$dateshow =date ("y-m-d". $h. ": I:s");
function RN ()
{
if (Date ("L") ==1)
{
echo "Yes";
}
Else
{
echo "No";
}
}
$weeks =date ("L");
$year =date ("W");
$dayyear =date ("z");
$weeksmemberic =date ("T");
?>
<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<meta http-equiv= "x-ua-compatible" content= "ie=emulateie7″/>
<meta http-equiv= "Content-language" content= "ZH-CN"/>
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8″/>
<meta http-equiv= "keywords" content= "date () function"/>
<meta http-equiv= "description" content= "date () function"/>
<meta http-equiv= "Author" content= "Hills"/>
<title>date () function </title>
<link href= "Css/default.css" rel= "stylesheet" media= "All" type= "Text/css"/>
<body>
<div>
<div>
<ul>
<li><?php echo "Time zone:". $UTC;? ></li>
<li><?php echo "Current Time (+8):". $dateshow;? ></li>
<li><?php Echo ("Whether leap Year:"); RN ();? ></li>
<li><?php echo "Week:". $weeks ></li>
<li><?php echo "Today is the first of the year:". $year. " Week ";? ></li>
<li><?php echo "Today is the first of the year". $dayyear. " Days ";? ></li>
<li><?php echo "A total of this month." $weeksmemberic. " Days ";? ></li>
</ul>
</div>
</div>
</body>
