Custom Field and edit post page/shortcode hook - Meta Box

This topic has 2 replies, 2 voices, and was last updated 2 years, 10 months ago by Nicholas Cox.

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January 4, 2022 at 10:29 PM #32992

Nicholas Cox
Participant

I have created a Custom Field and have it working successfully but I wanted to know is there a hook where i can customise the output of the value returned from the database? on the post edit screen and shortcode pages?

e.g. currently the value for my custom field returns 'example.jpg'
and I want to run a custom JS function to perform a action on this value when a user is viewing the edit post form.

I need to do this as my custom field expects the existing value to be in a certain format in order for it to be edited.

Thanks

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January 5, 2022 at 11:15 AM #33000

Long Nguyen
Moderator

Hi,

If you want to add a JS function when editing the post and custom fields, I think no need to customize the output of field value, just hook a function to the action init and check if it's the admin area or edit page on the frontend. Refer to this topic https://support.metabox.io/topic/redirect-only-on-submit-not-an-update/

Or simply, create a field custom_html and add the <script> tag to the content.
https://docs.metabox.io/fields/custom-html/

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January 5, 2022 at 6:17 PM #33014

Nicholas Cox
Participant

ok thanks for the detailed explanation. I have had a test and it works great!

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