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PHP Date and Time
Posted on: August 23, 2009 at 12:00 AM
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The PHP Date and Time tutorial helps you understand the import usage of the Date and Time functions.

 The PHP Date and Time functions are very useful in manipulating the Date in your PHP program. The PHP Date and Time generates the current date and time in runtime dynamically.


Following example prints the current date:

You can also use the following code to print the long string of the time:

Current Time: <?=time()?>

Output: 
Current Time: 1250997234


<?

$today = date("F j, Y, g:i a");

?>
Today is: <?=$today?>

Output: 
Today is: August 23, 2009, 3:17 am

The date function provides many formatting options. Following table shows the different formatting options of PHP date function:

Formatting Option Description
a "am" or "pm"
A "AM" or "PM"
B Swatch Internet time
d day of the month, 2 digits with leading zeros; i.e. "01" to "31"
D day of the week, textual, 3 letters; i.e. "Fri"
F month, textual, long; i.e. "January"
g hour, 12-hour format without leading zeros; i.e. "1" to "12"
G hour, 24-hour format without leading zeros; i.e. "0" to "23"
h hour, 12-hour format; i.e. "01" to "12"
H hour, 24-hour format; i.e. "00" to "23"
i minutes; i.e. "00" to "59"
I (capital i) "1" if Daylight Savings Time, "0" otherwise.
j day of the month without leading zeros; i.e. "1" to "31"
l (lowercase 'L') day of the week, textual, long; i.e. "Friday"
L boolean for whether it is a leap year; i.e. "0" or "1"
m month; i.e. "01" to "12"
M month, textual, 3 letters; i.e. "Jan"
n month without leading zeros; i.e. "1" to "12"
r RFC 822 formatted date; i.e. "Thu, 21 Dec 2000 16:01:07 +0200" (added in PHP 4.0.4)
s seconds; i.e. "00" to "59"
S English ordinal suffix, textual, 2 characters; i.e. "th", "nd"
t number of days in the given month; i.e. "28" to "31"
T Timezone setting of this machine; i.e. "MDT"
U seconds since the epoch
w day of the week, numeric, i.e. "0" (Sunday) to "6" (Saturday)
Y year, 4 digits; i.e. "1999"
y year, 2 digits; i.e. "99"
z day of the year; i.e. "0" to "365"
Z timezone offset in seconds (i.e. "-43200" to "43200"). The offset for timezones west of UTC is always negative, and for those east of UTC is always positive.

You can use the above options to format the date in required format.

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Posted on: August 23, 2009

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