Syntax
string date_format ( DateTime $object, string $format )
string DateTime::format ( string $format ) |
Definition and Usage
Thses functions return date formatted according to given format.
The above two functions are equivalent and any of the functions can be used as shown below in the example.
Paramters
| Parameter | Description |
|---|
| object | Required. DateTime object |
| format | Required. Specifies how to format 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)
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Return Value
Returns formatted date on success or FALSE on failure.
Example
Following is the usage of this function:
<?php
$dateSrc = '2005-04-19 12:50 GMT';
$dateTime = date_create( $dateSrc);;
# Now set a new date using date_format();
date_format( $dateTime, 2000, 12, 12);
echo "New Formatted date is ". $dateTime->format("Y-m-d\TH:i:s\Z");
echo "<br />";
# Using second function.
$dateTime = new DateTime($dateSrc);
$dateTime->setDate( 1999, 10, 12);
echo "New Formatted date is ". $dateTime->format("Y-m-d\TH:i:s\Z");
?>
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This will produce following result:
New Formatted date is 2000-12-12T12:50:00Z
New Formatted date is 1999-10-12T12:50:00Z
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