do_action( 'post_updated', int $post_id, WP_Post $post_after, WP_Post $post_before )

Fires once an existing post has been updated.

Contents

Parameters
More Information
Source
Related
- Used By
Changelog
User Contributed Notes

Parameters

$post_id int: Post ID.
$post_after WP_Post: Post object following the update.
$post_before WP_Post: Post object before the update.

More Information

Use this hook whenever you need to compare values before and after the post update.

This hook runs after the database update.

This hook pass up to 3 arguments, as follows:

$post_ID;
$post_after (post object after the update);
$post_before (post object before the update);

Source

File: wp-includes/post.php. View all references

do_action( 'post_updated', $post_id, $post_after, $post_before );

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Used By

Used By
Used By	Description
wp_insert_post() wp-includes/post.php	Inserts or update a post.

Changelog

Changelog
Version	Description
3.0.0	Introduced.

User Contributed Notes

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Contributed by Iurié — 11 months ago

This hook does not compare values of post meta keys if you have changed those as well. $post_after and $post_before will include strictly the new/old post data without meta fields of post.

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Contributed by Steven Lin — 3 years ago
Example migrated from Codex:

Suppose we have a post named Original Title and we edit it to Edited Title. Let’s hook to post_updated to check what has changed:

Let’s hook to post_updated to check what has changed:
```
<?php
function check_values($post_ID, $post_after, $post_before){
    echo '<b>Post ID:</b><br />';
    var_dump($post_ID);

    echo '<b>Post Object AFTER update:</b><br />';
    var_dump($post_after);

    echo '<b>Post Object BEFORE update:</b><br />';
    var_dump($post_before);
}

add_action( 'post_updated', 'check_values', 10, 3 ); //don't forget the last argument to allow all three arguments of the function
?>
```
The Result then would be this:
Post ID: int 1403 Post Object AFTER update: object(WP_Post)[7722] public 'ID' => int 1403 public 'post_author' => string '1' (length=1) public 'post_date' => string '2014-08-10 18:19:43' (length=19) public 'post_date_gmt' => string '2014-08-10 18:19:43' (length=19) public 'post_content' => string (length=0) public 'post_title' => string 'Edited Title' (length=12) public 'post_excerpt' => string (length=0) public 'post_status' => string 'publish' (length=7) public 'comment_status' => string 'closed' (length=6) public 'ping_status' => string 'closed' (length=6) public 'post_password' => string (length=0) public 'post_name' => string 'edited-title' (length=12) public 'to_ping' => string (length=0) public 'pinged' => string (length=0) public 'post_modified' => string '2014-08-10 19:41:46' (length=19) public 'post_modified_gmt' => string '2014-08-10 19:41:46' (length=19) public 'post_content_filtered' => string (length=0) public 'post_parent' => int 0 public 'guid' => string 'http://localhost:8888/mysite/?post_type=test_post&p=1403' (length=67) public 'menu_order' => int 0 public 'post_type' => string 'procedimentos' (length=13) public 'post_mime_type' => string (length=0) public 'comment_count' => string '0' (length=1) public 'filter' => string 'raw' (length=3) Post Object BEFORE update: object(WP_Post)[7724] public 'ID' => int 1403 public 'post_author' => string '1' (length=1) public 'post_date' => string '2014-08-10 18:19:43' (length=19) public 'post_date_gmt' => string '2014-08-10 18:19:43' (length=19) public 'post_content' => string (length=0) public 'post_title' => string 'Original Title' (length=14) public 'post_excerpt' => string (length=0) public 'post_status' => string 'publish' (length=7) public 'comment_status' => string 'closed' (length=6) public 'ping_status' => string 'closed' (length=6) public 'post_password' => string (length=0) public 'post_name' => string 'original-title' (length=14) public 'to_ping' => string (length=0) public 'pinged' => string (length=0) public 'post_modified' => string '2014-08-10 19:41:14' (length=19) public 'post_modified_gmt' => string '2014-08-10 19:41:14' (length=19) public 'post_content_filtered' => string (length=0) public 'post_parent' => int 0 public 'guid' => string 'http://localhost:8888/mysite/?post_type=test_post&p=1403' (length=67) public 'menu_order' => int 0 public 'post_type' => string 'procedimentos' (length=13) public 'post_mime_type' => string (length=0) public 'comment_count' => string '0' (length=1) public 'filter' => string 'raw' (length=3)
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