Latest web development tutorials

×

PHP Tutorial

PHP HOME PHP Intro PHP Install PHP Syntax PHP Variables PHP Echo / Print PHP Data Types PHP Strings PHP Constants PHP Operators PHP If...Else...Elseif PHP Switch PHP While Loops PHP For Loops PHP Functions PHP Arrays PHP Sorting Arrays PHP Superglobals

PHP Handling

PHP Form Handling PHP Form Validation PHP Form Required PHP Form URL/E-mail PHP Form Complete

PHP Advanced

PHP Arrays Multi PHP Date and Time PHP Include PHP File Handling PHP File Open/Read PHP File Create/Write PHP File Upload PHP Cookies PHP Sessions PHP Filters PHP Filters Advanced PHP Error Handling PHP Exception

MySQL Database

MySQL Database MySQL Connect MySQL Create DB MySQL Create Table MySQL Insert Data MySQL Get Last ID MySQL Insert Multiple MySQL Prepared MySQL Select Data MySQL Delete Data MySQL Update Data MySQL Limit Data

PHP - XML

PHP XML Parsers PHP SimpleXML Parser PHP SimpleXML - Get PHP XML Expat PHP XML DOM

PHP - AJAX

AJAX Intro AJAX PHP AJAX Database AJAX XML AJAX Live Search AJAX RSS Reader AJAX Poll

PHP Examples

PHP Examples PHP Quiz PHP Certificate

PHP Reference

PHP Array PHP Calendar PHP Date PHP Directory PHP Error PHP Filesystem PHP Filter PHP FTP PHP HTTP PHP Libxml PHP Mail PHP Math PHP Misc PHP MySQLi PHP SimpleXML PHP String PHP XML PHP Zip PHP Timezones

PHP date_isodate_set() Function

< PHP Date/Time Reference

Example

Set the ISO date to the 5th week in 2013:

<?php
$date=date_create();
date_isodate_set($date,2013,5);
echo date_format($date,"Y-m-d");
?>

Definition and Usage

The date_isodate_set() function sets a date according to the ISO 8601 standard, using weeks and day offsets (instead of using a specific date).

Syntax

date_isodate_set(object,year,week,day);

Parameter	Description
object	Required. Specifies a DateTime object returned by date_create()
year	Required. Specifies the year of the date
week	Required. Specifies the week of the date
day	Optional. Specifies the offset from the first day of the week. Default is 1

Technical Details

Return Value:	Returns a DateTime object on success. FALSE on failure
PHP Version:	5.2+
Changelog:	PHP 5.3.0: Changed the return value from NULL to DateTime

< PHP Date/Time Reference