Date function in PHP
Definition and Usage: The date() function formats a local time/date.
Syntax : date(format,timestamp)
Example:
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<?php
echo(“Result with date():<br />”);
echo(date(“l”) . “<br />”);
echo(date(“l dS \of F Y h:i:s A”) . “<br />”);
echo(“Oct 3,1975 was on a “.date(“l”, mktime(0,0,0,10,3,1975)).”<br />”);
echo(date(DATE_RFC822) . “<br />”);
echo(date(DATE_ATOM,mktime(0,0,0,10,3,1975)) . “<br /><br />”);
echo(“Result with gmdate():<br />”);
echo(gmdate(“l”) . “<br />”);
echo(gmdate(“l dS \of F Y h:i:s A”) . “<br />”);
echo(“Oct 3,1975 was on a “.gmdate(“l”, mktime(0,0,0,10,3,1975)).”<br />”);
echo(gmdate(DATE_RFC822) . “<br />”);
echo(gmdate(DATE_ATOM,mktime(0,0,0,10,3,1975)) . “<br />”);
?>
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Output:
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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Format:
Required. Specifies how to return the result:
- 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)
