Extension:DateDiff

Category:Extensions without an imageCategory:Extensions without a compatibility policyCategory:Creative Commons licensed extensions
MediaWiki extensions manual
DateDiff
Release status: stableCategory:Stable extensions
Implementation Parser function Category:Parser function extensions
Description Takes two dates and returns all intermediary days
Author(s)
Latest version 0.4.0 (2021-11-11)
MediaWiki 1.25+Category:Extensions with manual MediaWiki version
PHP 7.2+
Database changes No
License Creative Commons Attribution Share Alike 3.0
Download Category:Extensions in Wikimedia version control
README
CHANGELOG
Example sandbox.semantic-mediawiki.org
Quarterly downloads 1 (Ranked 109th)
Translate the DateDiff extension if it is available at translatewiki.net
Category:All extensions

The DateDiff extension adds the #dates parser function that returns a list of intermediary days.

Usage

The #dates parser function comes with two parameters |StartDate and |EndDate which is used as follows:

Syntax
{{#dates:
 |StartDate=2016/10/01
 |EndDate=2016/10/02
}}
Result

2016-10-01T00:00:00+02:00,2016-10-02T00:00:00+02:00

Examples

A typical use case is events in a semantic setup that span multiple days. To have the events appear on all days on a calendar provided by the Semantic Result Formats extension, you would use something like (requires the ParserFunctions extension):

{{#ifeq: {{{recurring}}}
 |no
 |{{#set: Has date={{#dates: |StartDate={{{from}}} |EndDate={{{till}}} }} |+sep=, }}
}}

Number of days between two days (requires the Arrays extension):

{{#arraydefine:days
 |{{#dates: |StartDate=2015-04-01 |EndDate=2015-04-10 }}
}}
{{#arraysize:days}}

Installation

To users running MediaWiki 1.39 or earlier:

The instructions above describe the new way of installing this extension using wfLoadExtension(). If you need to install this extension on these earlier versions (MediaWiki 1.39 and earlier), instead of wfLoadExtension( 'DateDiff' );, you need to use:

require_once "$IP/extensions/DateDiff/DateDiff.php";
Category:Number extensions
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