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Export: Split the query for post authors in wxr_authors_list() into smaller chunks.

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This aims to avoid a fatal error when attempting to export content on larger WP instances with a lot of data.

Follow-up to [15961], [28731].

Props bor0, SirLouen, SergeyBiryukov.
Fixes #63503.
Built from https://develop.svn.wordpress.org/trunk@60632


git-svn-id: http://core.svn.wordpress.org/trunk@59968 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov
2025-08-13 16:28:31 +00:00
parent 246e75a2b7
commit 090fb72df0
2 changed files with 14 additions and 7 deletions
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11
wp-admin/includes/export.php
View File

@@ -406,18 +406,25 @@ function export_wp( $args = array() ) {
if ( ! empty( $post_ids ) ) {
$post_ids = array_map( 'absint', $post_ids );
$and = 'AND ID IN ( ' . implode( ', ', $post_ids ) . ')';
$post_id_chunks = array_chunk( $post_ids, 20 );
} else {
$and = '';
$post_id_chunks = array( array() );
}
$authors = array();
foreach ( $post_id_chunks as $next_posts ) {
$and = ! empty( $next_posts ) ? 'AND ID IN (' . implode( ', ', $next_posts ) . ')' : '';
$results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_status != 'auto-draft' $and" );
foreach ( (array) $results as $result ) {
$authors[] = get_userdata( $result->post_author );
}
}
$authors = array_filter( $authors );
$authors = array_unique( $authors, SORT_REGULAR ); // Remove duplicate authors.
foreach ( $authors as $author ) {
echo "\t<wp:author>";

2
wp-includes/version.php
View File

@@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '6.9-alpha-60631';
$wp_version = '6.9-alpha-60632';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.