ibericode / ibericode/mailchimp-for-wordpress

Setting to update only blank fields

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enhancement feature
Dominant language
PHP
Stars
138
Forks
72
Avg merge
3h 51m
Merged PRs (30d)
1

Description

for example for UTM_source, utm_campaign, etc. via hidden fields.
if later on, the subscriber completes a second MC4WP form I don’t want the subscriber’s initial source data to be overwritten with newer UTM data.

In my plugin, I see there are only two ways to configure the update process:

  • Update existing subscriber: YES
  • Update existing subscriber: NO

I like to add the ability to "Update only blank fields”.

https://secure.helpscout.net/conversation/661110620/15308?folderId=253120

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the settings that control whether existing subscribers are updated and the code handling hidden UTM fields during subscriber updates. Trace how the plugin sends those fields to Mailchimp. Done means an "Update only blank fields" option preserves existing UTM values while filling fields that are still blank.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
api, backend
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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