Customize: Ensure `theme_mod`-cache of `custom_css` lookup of `-1` short-circuits a `WP_Query` from being made.

Props dlh, westonruter.
See #35395.
Merges [39688] to the 4.7 branch.
Fixes #39259.

Built from https://develop.svn.wordpress.org/branches/4.7@39694


git-svn-id: http://core.svn.wordpress.org/branches/4.7@39634 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dion Hulse 2017-01-05 08:15:35 +00:00
parent d93d3febfe
commit cc4a680493
2 changed files with 16 additions and 11 deletions

View File

@ -1653,18 +1653,17 @@ function wp_get_custom_css_post( $stylesheet = '' ) {
if ( $post_id > 0 && get_post( $post_id ) ) { if ( $post_id > 0 && get_post( $post_id ) ) {
$post = get_post( $post_id ); $post = get_post( $post_id );
} else { }
// `-1` indicates no post exists; no query necessary.
if ( ! $post && -1 !== $post_id ) {
$query = new WP_Query( $custom_css_query_vars ); $query = new WP_Query( $custom_css_query_vars );
$post = $query->post; $post = $query->post;
/* /*
* Cache the lookup. See WP_Customize_Custom_CSS_Setting::update(). * Cache the lookup. See wp_update_custom_css_post().
* @todo This should get cleared if a custom_css post is added/removed. * @todo This should get cleared if a custom_css post is added/removed.
*/ */
if ( $post ) { set_theme_mod( 'custom_css_post_id', $post ? $post->ID : -1 );
set_theme_mod( 'custom_css_post_id', $post->ID );
} elseif ( -1 !== $post_id ) {
set_theme_mod( 'custom_css_post_id', -1 );
}
} }
} else { } else {
$query = new WP_Query( $custom_css_query_vars ); $query = new WP_Query( $custom_css_query_vars );
@ -1788,9 +1787,15 @@ function wp_update_custom_css_post( $css, $args = array() ) {
} else { } else {
$r = wp_insert_post( wp_slash( $post_data ), true ); $r = wp_insert_post( wp_slash( $post_data ), true );
// Trigger creation of a revision. This should be removed once #30854 is resolved. if ( ! is_wp_error( $r ) ) {
if ( ! is_wp_error( $r ) && 0 === count( wp_get_post_revisions( $r ) ) ) { if ( get_stylesheet() === $args['stylesheet'] ) {
wp_save_post_revision( $r ); set_theme_mod( 'custom_css_post_id', $r );
}
// Trigger creation of a revision. This should be removed once #30854 is resolved.
if ( 0 === count( wp_get_post_revisions( $r ) ) ) {
wp_save_post_revision( $r );
}
} }
} }

View File

@ -4,7 +4,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '4.7.1-alpha-39693'; $wp_version = '4.7.1-alpha-39694';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.