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Update add_meta_boxes hook documentation to more accurately reflect the proper types #10527

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opr wants to merge 7 commits into from
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Update add_meta_boxes hook documentation to more accurately reflect the proper types #10527

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b0134e9
Update hook document to more accurately reflect the proper types
opr Nov 18, 2025
223bed7
Update hook documentation for add_meta_boxes_{}
opr Nov 18, 2025
eb4c11d
Update spacing
opr Nov 19, 2025
068c9b4
Fix spacing
opr Nov 19, 2025
29e2289
Update hook variable names to be more generic
opr Nov 20, 2025
ee6dc0b
Update hook docs for add_meta_boxes
opr Nov 21, 2025
ca5aad9
Update hook docs for `do_meta_boxes` too
opr Nov 21, 2025
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14 changes: 10 additions & 4 deletions src/wp-admin/includes/meta-boxes.php
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Expand Up @@ -1677,25 +1677,31 @@ function register_and_do_post_meta_boxes( $post ) {
*
* @since 3.0.0
*
* @param string $post_type Post type.
* @param WP_Post $post Post object.
* @param string $post_type Post type of the current screen. Can be 'post', 'page',
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@westonruter westonruter Nov 19, 2025

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What about $object_type?

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@opr opr Nov 20, 2025

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Thanks, I like the idea. Would you expect the variable passed to the hook to be renamed too, or just renamed in the documentation?

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@opr opr Nov 20, 2025 •
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For example:

	/**
	 * Fires after all built-in meta boxes have been added.
	 *
	 * @since 3.0.0
	 *
	 * @param string                    $object_type The type of the current object that meta boxes were added to.
	 *                                               Can be 'post', 'page', custom post types, 'comment', or 'link'.
	 * @param WP_Post|WP_Comment|object $object      The post, comment, or link object. Type varies depending on
	 *                                               `$post_type`.
	 */
	do_action( 'add_meta_boxes', $post_type, $post );

renaming the actual variable passed would require it throughout the file, or creating a new variable just before firing the hook.

I don't mind assigning to a new variable, but not keen on renaming through the whole file.

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@westonruter westonruter Nov 20, 2025

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Just renaming the variable in the hook docs. There shouldn't be a need to change any PHP variable names or add new variables.

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@opr opr Nov 21, 2025 •
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Thanks, I also applied similar changes to do_meta_boxes in ca5aad9

* custom post types, 'comment', or 'link'.
* @param WP_Post|WP_Comment|object $post The post, comment, or link object. Type varies depending on
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@westonruter westonruter Nov 19, 2025

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Similarly, what about $object?

* `$post_type`.
*/
do_action( 'add_meta_boxes', $post_type, $post );

/**
* Fires after all built-in meta boxes have been added, contextually for the given post type.
*
* The dynamic portion of the hook name, `$post_type`, refers to the post type of the post.
* The dynamic portion of the hook name, `$post_type`, refers to the post type of the post,
* or the object type (comment, link).
*
* Possible hook names include:
*
* - `add_meta_boxes_post`
* - `add_meta_boxes_page`
* - `add_meta_boxes_attachment`
* - `add_meta_boxes_comment`
* - `add_meta_boxes_link`
*
* @since 3.0.0
*
* @param WP_Post $post Post object.
* @param WP_Post|WP_Comment|object $post The post, comment, or link object. Type varies depending on
* the hook name.
*/
do_action( "add_meta_boxes_{$post_type}", $post );

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