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Posts, Post Types: Ensure default terms are added by wp_publish_post().

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Transitioning posts from `auto-draft` to `publish` via `wp_publish_post()` could result in published posts without the default category or custom taxonomy default terms.

Props frank-klein, TimothyBlynJacobs, peterwilsoncc.
Fixes #51292.



git-svn-id: https://develop.svn.wordpress.org/trunk@49000 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Wilson
2020-09-19 01:20:48 +00:00
parent 2f491fba50
commit 1ffdfdaea7
3 changed files with 366 additions and 0 deletions
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27
src/wp-includes/post.php
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@@ -4375,6 +4375,33 @@ function wp_publish_post( $post ) {
return;
}
// Ensure at least one term is applied for taxonomies with a default term.
foreach ( get_object_taxonomies( $post->post_type, 'object' ) as $taxonomy => $tax_object ) {
// Skip taxonomy if no default term is set.
if (
'category' !== $taxonomy &&
empty( $tax_object->default_term )
) {
continue;
}
// Do not modify previously set terms.
if ( ! empty( get_the_terms( $post, $taxonomy ) ) ) {
continue;
}
if ( 'category' === $taxonomy ) {
$default_term_id = (int) get_option( 'default_category', 0 );
} else {
$default_term_id = (int) get_option( 'default_term_' . $taxonomy, 0 );
}
if ( ! $default_term_id ) {
continue;
}
wp_set_post_terms( $post->ID, array( $default_term_id ), $taxonomy );
}
$wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post->ID ) );
clean_post_cache( $post->ID );