Mention Default Value at comment for $parent_post_id Param in wp_insert_attachment() Function

[wpfy]

In the WordPress core file, /wp-includes/post.php, on line 6310, there is a missing default value for the $parent_post_id parameter in the wp_insert_attachment() function. The $parent_post_id parameter is optional and is used to specify the ID of the parent post for the current post being inserted. However, the current documentation does not include a default value for this parameter in the comment.

In the WordPress core file, /wp-includes/post.php, on line 6310, there is a missing default value for the $parent_post_id parameter in the wp_insert_attachment() function. The $parent_post_id parameter is optional and is used to specify the ID of the parent post for the current post being inserted. However, the current documentation does not include a default value for this parameter in the comment.

Trac ticket: https://core.trac.wordpress.org/ticket/58043

[SergeyBiryukov]

Hi there, welcome to WordPress Trac! Thanks for the ticket.

[SergeyBiryukov]

In 55617:

Docs: Document default values for optional parameters in wp_insert_attachment().

This adds the missing mentions of default value for the $file and $parent_post_id parameters.

Follow-up to [2921], [3092], [3303], [3851], [6155], [6379], [8669], [15590], [28788], [38408], [49936], [55021].

Props wpfy.
Fixes #58043.