plugins - How to get post ID with hooks publish_post, new_to_publish, etc

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I have two plugins, one uses the function wp_insert_post(), the other has a code like this:

add_action('future_to_publish', 'myFunc', 10, 1);
add_action('new_to_publish', 'myFunc', 10, 1);
add_action('draft_to_publish', 'myFunc', 10, 1);

function myFunc( $postID ) {

}

When the first plugin runs wp_insert_post(), $postID is always empty. If I use the hook "publish_post" and press update then $postID does have a value, so what I am doing wrong?

I have two plugins, one uses the function wp_insert_post(), the other has a code like this:

add_action('future_to_publish', 'myFunc', 10, 1);
add_action('new_to_publish', 'myFunc', 10, 1);
add_action('draft_to_publish', 'myFunc', 10, 1);

function myFunc( $postID ) {

}

When the first plugin runs wp_insert_post(), $postID is always empty. If I use the hook "publish_post" and press update then $postID does have a value, so what I am doing wrong?

• plugins
• hooks
• actions
• id

Share Improve this question asked Apr 29, 2012 at 1:44 pliomnpliomn 111 silver badge11 bronze badge

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3 Answers 3

Sorted by: Reset to default 5

1. Read the Codex,
2. Look at the function in the core file,

3. Modify your code as follows:

   function myFunc( $post ) {
   
       $postID = $post->ID;
   
   }
   

The post transistion does not send the post ID, it sends the complete post object. Sometimes a simple die(var_dump($postID)); (or whatever you use as parameter) helps to find out what will be send to the callback. If you don't know how many parameters are send to the callback, put a die(var_dump(func_get_args())); at the first line of your callback.

function myFunc( $post ) {
    global $post;
    $myPostId = $post->ID;

    //your function here

}

For getting the $postID value, you just insert global $post expression in your function. It worked for me.

wp_insert_posts() returns the post ID on success. The value 0 or WP_Error on failure.

$postId = wp_insert_post($args);
if(!$postId){
echo "Your post is not inserted that's why you've no post id :p"
}

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