[wp-hackers] Write a custom field to a new post via JS??

scribu scribu at gmail.com
Tue Jan 5 23:12:42 UTC 2010

New posts are assigned a temporary id. See how it's used in the
wp_write_post() function:


Hope that helps.

On Tue, Jan 5, 2010 at 11:32 PM, Matthew Gerring <mgerring at emrl.com> wrote:

> Hello all. I have a serious brain twister I hope you all can help me solve.
> I have an interface in the WordPress "add new post" screen, accessed via
> the media buttons. Basically what it's supposed to do is write an array to a
> custom field.
> It works fine if you're editing a post- I can pass the array to PHP along
> with the post ID and use add_post_meta(). But I don't know how to do the
> same thing if you're creating a new post, since there's no post ID to add a
> custom field to.
> Can anyone tell me how I would write metadata to a post that hasn't been
> published yet?
> -Matthew
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