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Invalidate cache for child terms when parent term is deleted.

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Props socki03.
Fixes #29911.

git-svn-id: https://develop.svn.wordpress.org/trunk@29945 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges 2014-10-17 20:58:48 +00:00
parent 297f2c78c5
commit c2bea27bfd
2 changed files with 33 additions and 1 deletions
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7
src/wp-includes/taxonomy.php
View File

@ -2414,7 +2414,8 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) {
return $term_obj;
$parent = $term_obj->parent;
$edit_tt_ids = $wpdb->get_col( "SELECT `term_taxonomy_id` FROM $wpdb->term_taxonomy WHERE `parent` = " . (int)$term_obj->term_id );
$edit_ids = $wpdb->get_results( "SELECT term_id, term_taxonomy_id FROM $wpdb->term_taxonomy WHERE `parent` = " . (int)$term_obj->term_id );
$edit_tt_ids = wp_list_pluck( $edit_ids, 'term_taxonomy_id' );
/**
* Fires immediately before a term to delete's children are reassigned a parent.
@ -2426,6 +2427,10 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) {
do_action( 'edit_term_taxonomies', $edit_tt_ids );
$wpdb->update( $wpdb->term_taxonomy, compact( 'parent' ), array( 'parent' => $term_obj->term_id) + compact( 'taxonomy' ) );
// Clean the cache for all child terms.
$edit_term_ids = wp_list_pluck( $edit_ids, 'term_id' );
clean_term_cache( $edit_term_ids, $taxonomy );
/**
* Fires immediately after a term to delete's children are reassigned a parent.
*

27
tests/phpunit/tests/term.php
View File

@ -1006,6 +1006,33 @@ class Tests_Term extends WP_UnitTestCase {
$this->assertTrue( in_array( $found['term_id'], $cached_children[ $t2 ] ) );
}
/**
* @ticket 29911
*/
public function test_wp_delete_term_should_invalidate_cache_for_child_terms() {
register_taxonomy( 'wptests_tax', 'post', array(
'hierarchical' => true,
) );
$parent = $this->factory->term->create( array(
'taxonomy' => 'wptests_tax',
) );
$child = $this->factory->term->create( array(
'taxonomy' => 'wptests_tax',
'parent' => $parent,
'slug' => 'foo',
) );
// Prime the cache.
$child_term = get_term( $child, 'wptests_tax' );
$this->assertSame( $parent, $child_term->parent );
wp_delete_term( $parent, 'wptests_tax' );
$child_term = get_term( $child, 'wptests_tax' );
$this->assertSame( 0, $child_term->parent );
}
/**
* @ticket 5381
*/