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Cache queries in get_page_by_path().

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Props spacedmonkey.
Fixes #36711.

git-svn-id: https://develop.svn.wordpress.org/trunk@37479 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges
2016-05-21 17:26:55 +00:00
parent 70fece5c7e
commit 1a39a00dfd
2 changed files with 140 additions and 0 deletions
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21
src/wp-includes/post.php
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@@ -4231,6 +4231,24 @@ function get_page( $page, $output = OBJECT, $filter = 'raw') {
function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
global $wpdb;
$last_changed = wp_cache_get( 'last_changed', 'posts' );
if ( false === $last_changed ) {
$last_changed = microtime();
wp_cache_set( 'last_changed', $last_changed, 'posts' );
}
$hash = md5( $page_path . serialize( $post_type ) );
$cache_key = "get_page_by_path:$hash:$last_changed";
$cached = wp_cache_get( $cache_key, 'posts' );
if ( false !== $cached ) {
// Special case: '0' is a bad `$page_path`.
if ( '0' === $cached || 0 === $cached ) {
return;
} else {
return get_post( $cached );
}
}
$page_path = rawurlencode(urldecode($page_path));
$page_path = str_replace('%2F', '/', $page_path);
$page_path = str_replace('%20', ' ', $page_path);
@@ -4285,6 +4303,9 @@ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
}
}
// We cache misses as well as hits.
wp_cache_set( $cache_key, $foundid, 'posts' );
if ( $foundid ) {
return get_post( $foundid, $output );
}