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Query: Cache the result when `get_pages()` doesn't find anything in the database. 

Props flixos90, soulseekah.
Fixes #43514.


Built from https://develop.svn.wordpress.org/trunk@44587


git-svn-id: http://core.svn.wordpress.org/trunk@44418 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Gary Pendergast 2019-01-14 23:27:50 +00:00
parent 56e77d8928
commit d2695fe283
2 changed files with 5 additions and 2 deletions
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5
wp-includes/post.php
View File

@ -5057,7 +5057,8 @@ function get_pages( $args = array() ) {
$last_changed = wp_cache_get_last_changed( 'posts' );
$cache_key = "get_pages:$key:$last_changed";
if ( $cache = wp_cache_get( $cache_key, 'posts' ) ) {
$cache = wp_cache_get( $cache_key, 'posts' );
if ( false !== $cache ) {
// Convert to WP_Post instances.
$pages = array_map( 'get_post', $cache );
/** This filter is documented in wp-includes/post.php */
@ -5218,6 +5219,8 @@ function get_pages( $args = array() ) {
$pages = $wpdb->get_results( $query );
if ( empty( $pages ) ) {
wp_cache_set( $cache_key, array(), 'posts' );
/** This filter is documented in wp-includes/post.php */
$pages = apply_filters( 'get_pages', array(), $r );
return $pages;

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.1-beta1-44586';
$wp_version = '5.1-beta1-44587';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.