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When a `term_id` matches in `_get_term_children()`, recurse through its children until there is no more depth in the hierarchy. Since `get_terms()` return terms with a `count` of `0` when their children are not empty, we must return all children so that `get_terms()` can check their count. 

In [27108], #26903 was fixed, but only because we were using the example in the ticket, leaving out infinite depth for hierarchical taxonomies.

Adds unit tests, including `Tests_Term_getTerms::test_get_terms_seven_levels_deep()`.

Fixes #26903. Again.



git-svn-id: https://develop.svn.wordpress.org/trunk@27125 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor 2014-02-07 19:53:01 +00:00
parent 5ddc101010
commit 81679ef453
2 changed files with 50 additions and 5 deletions
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15
src/wp-includes/taxonomy.php
View File

@ -3004,12 +3004,17 @@ function _get_term_children($term_id, $terms, $taxonomy) {
if ( $term->term_id == $term_id ) {
if ( isset( $has_children[$term_id] ) ) {
foreach ( $has_children[$term_id] as $t_id ) {
if ( $use_id ) {
$term_list[] = $t_id;
} else {
$term_list[] = get_term( $t_id, $taxonomy );
$current_id = $term_id;
while ( $current_id > 0 ) {
foreach ( $has_children[$current_id] as $t_id ) {
if ( $use_id ) {
$term_list[] = $t_id;
} else {
$term_list[] = get_term( $t_id, $taxonomy );
}
}
$current_id = isset( $has_children[$t_id] ) ? $t_id : 0;
}
}
continue;

40
tests/phpunit/tests/term/getTerms.php
View File

@ -273,4 +273,44 @@ class Tests_Term_getTerms extends WP_UnitTestCase {
$this->assertNotEmpty( $terms );
$this->assertEquals( wp_list_pluck( $terms, 'name' ), array( 'Cheese', 'Crackers' ) );
}
function test_get_terms_grandparent_zero() {
$tax = 'food';
register_taxonomy( $tax, 'post', array( 'hierarchical' => true ) );
$cheese = $this->factory->term->create( array( 'name' => 'Cheese', 'taxonomy' => $tax ) );
$cheddar = $this->factory->term->create( array( 'name' => 'Cheddar', 'parent' => $cheese, 'taxonomy' => $tax ) );
$spread = $this->factory->term->create( array( 'name' => 'Spread', 'parent' => $cheddar, 'taxonomy' => $tax ) );
$post_id = $this->factory->post->create();
wp_set_post_terms( $post_id, $spread, $tax );
$term = get_term( $spread, $tax );
$this->assertEquals( 1, $term->count );
$terms = get_terms( $tax, array( 'parent' => 0, 'cache_domain' => $tax ) );
$this->assertNotEmpty( $terms );
$this->assertEquals( array( 'Cheese' ), wp_list_pluck( $terms, 'name' ) );
_unregister_taxonomy( $tax );
}
function test_get_terms_seven_levels_deep() {
$tax = 'deep';
register_taxonomy( $tax, 'post', array( 'hierarchical' => true ) );
$parent = 0;
$t = array();
foreach ( range( 1, 7 ) as $depth ) {
$t[$depth] = $this->factory->term->create( array( 'name' => 'term' . $depth, 'taxonomy' => $tax, 'parent' => $parent ) );
$parent = $t[$depth];
}
$post_id = $this->factory->post->create();
wp_set_post_terms( $post_id, $t[7], $tax );
$term = get_term( $t[7], $tax );
$this->assertEquals( 1, $term->count );
$terms = get_terms( $tax, array( 'parent' => 0, 'cache_domain' => $tax ) );
$this->assertNotEmpty( $terms );
$this->assertEquals( array( 'term1' ), wp_list_pluck( $terms, 'name' ) );
_unregister_taxonomy( $tax );
}
}