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Refactored wp_get_post_autosave function to use WP_Query for query #7965

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Refactored wp_get_post_autosave function to use WP_Query for query #7965

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43 changes: 18 additions & 25 deletions src/wp-includes/revision.php
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Original file line number Diff line number Diff line change
Expand Up @@ -270,42 +270,35 @@ function wp_save_post_revision( $post_id ) {
*
* @since 2.6.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $post_id The post ID.
* @param int $user_id Optional. The post author ID. Default 0.
* @return WP_Post|false The autosaved data or false on failure or when no autosave exists.
*/
function wp_get_post_autosave( $post_id, $user_id = 0 ) {
global $wpdb;

$autosave_name = $post_id . '-autosave-v1';
$user_id_query = ( 0 !== $user_id ) ? "AND post_author = $user_id" : null;

// Construct the autosave query.
$autosave_query = "
SELECT *
FROM $wpdb->posts
WHERE post_parent = %d
AND post_type = 'revision'
AND post_status = 'inherit'
AND post_name = %s " . $user_id_query . '
ORDER BY post_date DESC
LIMIT 1';

$autosave = $wpdb->get_results(
$wpdb->prepare(
$autosave_query,
$post_id,
$autosave_name
)

$args = array(
'post_type' => 'revision',
'post_parent' => $post_id,
'post_status' => 'inherit',
'post_name' => $autosave_name,
'posts_per_page' => 1,
'orderby' => 'post_date',
'order' => 'DESC',
'fields' => 'ids',
);

if ( ! $autosave ) {
if ( $user_id ) {
$args['author'] = $user_id;
}

$query = new WP_Query( $args );

if ( ! $query->have_posts() ) {
return false;
}

return get_post( $autosave[0] );
return get_post( $query->posts[0] );
}

/**
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