Detect Post Type when publish_post is ran

2 Views

I currently have WordPress build an XML Sitemap everytime a POST or PAGE is PUBLISHED by using this Action… 

add_action("publish_post", "create_news_sitemap");

I am not doing the same process but for a News Sitemap which has different criteria. Such as it can only show post that are no older then 48 hours.

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I have my code working but I would like to optimize it slightly.

So when add_action("publish_post", "create_news_sitemap"); is ran, I would like to ONLY run a function is it is a Custom Post Type named news that is Publishing a post.

Is this something that is possible?

when the publish_post action is ran, can I detect which POST_TYPE is setting it into action?

Post Views: 2

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3 comments

  1. publish_post will give you a second parameter if you ask for it. Notice the fourth parameter of the add_action call. That is your post object.

    function run_on_publish_wpse_100421( $postid, $post ) { 
  if ('news' == $post->post_type) 
    // your code
  }
}
add_action('publish_post','run_on_publish_wpse_100421',1,2);

  2. The publish_post action gets the post ID as argument, pass that to get_post_type to find out what type of post it is:

    function create_news_sitemap( $post_id ){
    $type = get_post_type( $post_id );
    if( 'news' == $type ){
        // do something
    }
}
add_action("publish_post", "create_news_sitemap");

  3. Instead of checking for the post type, you can also use publish_{post_type }. In your case publish_news

    function run_on_publish_wpse_100421( $postid, $post ) { 
    // your code
}
add_action('publish_news','run_on_publish_wpse_100421',1,2);

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