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Php Date Function Cheater List

Can’t remember all the different date formats for php when making time stamps? I found that I needed to look these up frequently enough that I thought it would be handy to make a post. Now I always know where to go. Maybe it will help one of you too.

Formats

  • d – The day of the month (from 01 to 31)
  • D – A textual representation of a day (three letters)
  • j – The day of the month without leading zeros (1 to 31)
  • l (lowercase ‘L’) – A full textual representation of a day
  • N – The ISO-8601 numeric representation of a day (1 for Monday through 7 for Sunday)
  • S – The English ordinal suffix for the day of the month (2 characters st, nd, rd or th. Works well with j)
  • w – A numeric representation of the day (0 for Sunday through 6 for Saturday)
  • z – The day of the year (from 0 through 365)
  • W – The ISO-8601 week number of year (weeks starting on Monday)
  • F – A full textual representation of a month (January through December)
  • m – A numeric representation of a month (from 01 to 12)
  • M – A short textual representation of a month (three letters)
  • n – A numeric representation of a month, without leading zeros (1 to 12)
  • t – The number of days in the given month
  • L – Whether it’s a leap year (1 if it is a leap year, 0 otherwise)
  • o – The ISO-8601 year number
  • Y – A four digit representation of a year
  • y – A two digit representation of a year
  • a – Lowercase am or pm
  • A – Uppercase AM or PM
  • B – Swatch Internet time (000 to 999)
  • g – 12-hour format of an hour (1 to 12)
  • G – 24-hour format of an hour (0 to 23)
  • h – 12-hour format of an hour (01 to 12)
  • H – 24-hour format of an hour (00 to 23)
  • i – Minutes with leading zeros (00 to 59)
  • s – Seconds, with leading zeros (00 to 59)
  • e – The timezone identifier (Examples: UTC, Atlantic/Azores)
  • I (capital i) – Whether the date is in daylights savings time (1 if Daylight Savings Time, 0 otherwise)
  • O – Difference to Greenwich time (GMT) in hours (Example: +0100)
  • T – Timezone setting of the PHP machine (Examples: EST, MDT)
  • Z – Timezone offset in seconds. The offset west of UTC is negative, and the offset east of UTC is positive (-43200 to 43200)
  • c – The ISO-8601 date (e.g. 2004-02-12T15:19:21+00:00)
  • r – The RFC 2822 formatted date (e.g. Thu, 21 Dec 2000 16:01:07 +0200)
  • U – The seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)

Example:


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)) . "


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:


Result with date():
Tuesday
Tuesday 24th of January 2006 02:41:22 PM
Oct 3,1975 was on a Friday
Tue, 24 Jan 2006 14:41:22 CET
1975-10-03T00:00:00+0100


Result with gmdate():
Tuesday
Tuesday 24th of January 2006 01:41:22 PM
Oct 3,1975 was on a Thursday
Tue, 24 Jan 2006 13:41:22 GMT
1975-10-02T23:00:00+0000

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Lena Shore

Lena is a full-time freelancer and nerd that specializes in web development, graphic design, and illustration. She enjoys building things, learning new things, pursuing creative endeavors, and giving free advice.

3 Comments

  1. Ruturaaj on August 1, 2012 at 3:20 pm

    I swear I wish to meet that person who the hell came up with such non-logical formatting characters. Common, many of these characters just don’t make any sense at all! Or do these characters have any logical relevance to the format they represent in some other language? Perhaps French (which anyway has a lot of characters in its words which are never pronounced)??!! Such non-logical sequences not only make the life of programmer harder in real-life, but also are responsible for losing marks in exams. LOL! 🙂

  2. Richard Robertson on August 27, 2009 at 12:34 pm

    If I can remember where to look. LOL

    • Lena on August 27, 2009 at 1:10 pm

      No kidding. I post all kinds of things for myself and then forget. :pouty:

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