Title: avoid double postings
Last modified: August 19, 2016

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# avoid double postings

 *  [to_ul](https://wordpress.org/support/users/to_ul/)
 * (@to_ul)
 * [17 years, 3 months ago](https://wordpress.org/support/topic/avoid-double-postings/)
 * I want to build a blog with several authors. they enter some data, to post…first
   they have to fill out a custom field »isbn-no.«.
    Now here we go: i want the 
   author to show, that there is already an article/posting about this isbn-no…is
   this possible to realize?
 * thank you for reading…

Viewing 1 replies (of 1 total)

 *  Thread Starter [to_ul](https://wordpress.org/support/users/to_ul/)
 * (@to_ul)
 * [17 years, 3 months ago](https://wordpress.org/support/topic/avoid-double-postings/#post-995281)
 * I pay for coding:
    [http://www.getacoder.com/projects/wordpress_plugin_posting_99144.html](http://www.getacoder.com/projects/wordpress_plugin_posting_99144.html)

Viewing 1 replies (of 1 total)

The topic ‘avoid double postings’ is closed to new replies.

## Tags

 * [double posting](https://wordpress.org/support/topic-tag/double-posting/)

 * 1 reply
 * 1 participant
 * Last reply from: [to_ul](https://wordpress.org/support/users/to_ul/)
 * Last activity: [17 years, 3 months ago](https://wordpress.org/support/topic/avoid-double-postings/#post-995281)
 * Status: not resolved

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