getgrav/grav

ISO Date for Short Display Date and Long Display Date

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#2283 opened on Dec 6, 2018

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enhancementhelp wanted

Description

The drop-down list in Admin > Configuration > System for the "Short Display Date" and "Long Display Date" are rather limited. Because they are in a drop-down list there is no option to include an alternate.

Preferably, this drop-down could be replaced with a text field which would accept any valid PHP Date Format: https://secure.php.net/manual/en/datetime.formats.date.php

If not, or in the meantime, make available an ISO Short and ISO Long display date, such as:

YYYY-MM-DD YYYY-MM-DD HH:MM

See also: https://en.wikipedia.org/wiki/ISO_8601

Contributor guide

Tech stack
php
Domain
backend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
basic PHP knowledgefamiliarity with Grav CMSunderstanding of PHP date formats
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60
Research direction
The request is to replace the dropdown for Short and Long Display Dates in Admin > Configuration > System with a text field accepting PHP date formats, or at least add ISO 8601 options. Start by examining the admin plugin's configuration files, likely in `user/plugins/admin/blueprints.yaml` or similar. Look for the current dropdown definition and the underlying PHP code that validates or uses these date formats. The issue is old but open, so check recent comments for any maintainer feedback. Since there are no PRs, the change is still available. A concrete approach would be to modify the blueprint to use a text input and add format validation, or simply add the ISO options to the existing dropdown.