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Some more hierarchy loop detection. 

git-svn-id: https://develop.svn.wordpress.org/trunk@15758 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2010-10-08 16:22:14 +00:00
parent 617945e60c
commit 3a8fb669cb
1 changed files with 7 additions and 2 deletions
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9
wp-includes/post.php
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@ -4019,8 +4019,12 @@ function clean_post_cache($id) {
do_action('clean_post_cache', $id);
if ( $children = $wpdb->get_col( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d", $id) ) ) {
foreach( $children as $cid )
foreach ( $children as $cid ) {
// Loop detection
if ( $cid == $id )
continue;
clean_post_cache( $cid );
}
}
if ( is_multisite() )
@ -4325,7 +4329,8 @@ function _get_post_ancestors(&$_post) {
$id = $_post->ancestors[] = $_post->post_parent;
while ( $ancestor = $wpdb->get_var( $wpdb->prepare("SELECT `post_parent` FROM $wpdb->posts WHERE ID = %d LIMIT 1", $id) ) ) {
if ( $id == $ancestor )
// Loop detection: If the ancestor has been seen before, break.
if ( ( $ancestor == $_post->ID ) || in_array($ancestor, $_post->ancestors) )
break;
$id = $_post->ancestors[] = $ancestor;
}