Introduction
In PHP, the date() function is used for formatting the date and time. The date() function also formats a timestamp.
A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred. A timestamp is the number of seconds from January 1, 1970 at 00:00. Otherwise known as the Unix Timestamp, this measurement is a widely used standard that PHP has chosen to utilize.
Syntax
date (format,timestamp)
Simple Example of Date() Function
<body bgcolor="pink"><h3>Format of Date</h3>echo "First Format : ". date ("d/m/Y") . "
";echo "Second Format :".date ("d.m.Y") . "
";echo "Third Format :".date ("d-m-Y");?> </body>
mktime() function
The mktime function is used to create a timestamp for tomorrow/yesterday. The mktime() function returns the timestamp for a date.
Syntax
mktime (hour, minute, second, month, day, year, is_dst)
Example
<body bgcolor="pink"><h3>mktime() function : </h3>$today = mktime(0,0,0,date("m"), date("d"), date("Y"));echo "Today date is :".date("d-m-Y", $today)."
";
$yesterday = mktime(0,0,0,date("m"), date("d")-1, date("Y"));echo "The date of yesterday was :".date("d-m-Y", $yesterday)."
";
$tomorrow = mktime(0,0,0,date("m"), date("d")+1,date("Y"));echo "Tomorrow date will be : ".date("d-m-Y", $tomorrow);?></body>
output
getdate() function
The getdate() function return the date and time.
Syntax
getdate (timestamp)
Example1
<body bgcolor="pink">
<h3>getdate() function : </h3>
$today = getdate();
print_r ($today)."
";?></body>
Output
Example2
<body bgcolor="pink"><h3>getdate() function : </h3>$my_t=getdate (date("U"));print ("$my_t [weekday], $my_t [month] $my_t [mday], $my_t [year]");?></body>
Output
Various format of date in PHP
DAYS
d - day of the month 2 digits (01-31)
j - day of the month (1-31)
D - 3 letter day (Mon - Sun)
l - full name of day (Monday - Sunday)
N - 1=Monday, 2=Tuesday, etc (1-7)
S - suffix for date (st, nd, rd)
w - 0=Sunday, 1=Monday (0-6)
z - day of the year (1=365)
WEEK
W - week of the year (1-52)
MONTH
F - Full name of month (January - December)
m - 2 digit month number (01-12)
n - month number (1-12)
M - 3 letter month (Jan - Dec)
t - Days in the month (28-31)
YEAR
L - leap year (0 no, 1 yes)
o - ISO-8601 year number (Ex. 1979, 2006)
Y - four digit year (Ex. 1979, 2006)
y - two digit year (Ex. 79, 06)
TIME
a - am or pm
A - AM or PM
B - Swatch Internet time (000 - 999)
g - 12 hour (1-12)
G - 24 hour c (0-23)
h - 2 digit 12 hour (01-12)
H - 2 digit 24 hour (00-23)
i - 2 digit minutes (00-59)
s 0 2 digit seconds (00-59)
OTHER
e - timezone (Ex: GMT, CST)
I - daylight savings (1=yes, 0=no)
O - offset GMT (Ex: 0200)
Z - offset in seconds (-43200 - 43200)
r - full RFC 2822 formatted date
Conclusion
So in this article you saw, how to format a date in PHP. Using this article one can easily understand the date format in PHP.
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