Detailed explanation of each parameter of php date() function

The date() function in php is a function that can obtain the time and date. Maybe the most commonly used one is the year, month and day. Now I will share with you a little-known parameter of the date() function.

date() Function, this function is relatively familiar, the code is as follows:

echo("Result with date():
");

echo(date("l") . "
");

echo(date("l dS of F Y h:i:s A") . "
");

echo("Oct 3,1975 was on a ".date("l", mktime(0,0,0,10,3,1975))."
");

echo(date(DATE_RFC822) . "
");

echo(date(DATE_ATOM,mktime(0,0,0,10,3,1975)) . "

");

//Open source Code phpfensi.com

echo("Result with gmdate():
");

echo(gmdate("l") . "
");

echo(gmdate ("l dS of F Y h:i:s A") . "
");

echo("Oct 3,1975 was on a ".gmdate("l", mktime(0, 0,0,10,3,1975))."
");

echo(gmdate(DATE_RFC822) . "
");

echo(gmdate(DATE_ATOM,mktime (0,0,0,10,3,1975)) . "
");

?>

Result with date():

Wednesday

Wednesday 22nd of December 2010 02:36:18 AM

Oct 3,1975 was on a Friday

Wed, 22 Dec 10 02:36:18 +0000

1975-10-03T00:00:00+00:00

Result with gmdate():

Wednesday

Wednesday 22nd of December 2010 02:36:18 AM

Oct 3,1975 was on a Friday

Wed, 22 Dec 10 02:36:18 +000 0

1975-10 -03T00:00:00+00:00

Attached is the date() function parameter description in the PHP manual:

a - "am" or "pm"

A - "AM" or "PM"

d - Day, two digits, if there are less than two digits, add zero in front; For example: "01" to "31"

D - Day of the week, three English letters; For example: "Fri"

F - Month , full English name; such as: "January"

h - hour in 12-hour system; such as: "01" to "12"

H - hour in 24-hour system; such as: "00" to "23"

g - The hour in 12-hour format, do not add zeros if there are less than two digits; for example: "1" to 12"

G - The hour of 24-hour format, do not add zeros if there are less than two digits; such as: "0" to "23"

i - minute; such as: "00" to "59"

j - day, two digits, if there are less than two digits, do not add zero; such as: "1" to "31"

l - day of the week, in English Full name; such as: "Friday"

m - month, two digits, if less than two digits, add zero in front; such as: "01" to "12"

n - month, two digits, if less than two digits The digits are not filled with zeros; such as: "1" to "12"

M - month, three English letters; such as: "Jan"

s - seconds; such as: "00" to "59"

S - Add an English ordinal number at the end of the word, two English letters; such as: "th", "nd"

t - the number of days in the specified month; such as: "28" to "31"

U - the total number of seconds

w - number Type of day of the week, such as: "0" (Sunday) to "6" (Saturday)

Y - year, four digits; such as: "1999"

y - year, two digits; such as: "99"

z - day of the year; e.g.: "0" to "365"