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Add classes for custom taxonomy terms in get_post_class().

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Props sillybean.
Fixes #16223.

git-svn-id: https://develop.svn.wordpress.org/trunk@31271 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges 2015-01-23 15:40:31 +00:00
parent 10d3b42211
commit 8ec0792557
2 changed files with 89 additions and 20 deletions
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42
src/wp-includes/post-template.php
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@ -389,14 +389,15 @@ function post_class( $class = '', $post_id = null ) {
* *
* The class names are many. If the post is a sticky, then the 'sticky' * The class names are many. If the post is a sticky, then the 'sticky'
* class name. The class 'hentry' is always added to each post. If the post has a * class name. The class 'hentry' is always added to each post. If the post has a
* post thumbnail, 'has-post-thumbnail' is added as a class. For each * post thumbnail, 'has-post-thumbnail' is added as a class. For each taxonomy that
* category, the class will be added with 'category-' with category slug is * the post belongs to, a class will be added of the format '{$taxonomy}-{$slug}' -
* added. The tags are the same way as the categories with 'tag-' before the tag * eg 'category-foo' or 'my_custom_taxonomy-bar'. The 'post_tag' taxonomy is a special
* slug. All classes are passed through the filter, 'post_class' with the list * case; the class has the 'tag-' prefix instead of 'post_tag-'. All classes are
* of classes, followed by $class parameter value, with the post ID as the last * passed through the filter, 'post_class' with the list of classes, followed by
* parameter. * $class parameter value, with the post ID as the last parameter.
* *
* @since 2.7.0 * @since 2.7.0
* @since 4.2.0 Custom taxonomy classes were added.
* *
* @param string|array $class One or more classes to add to the class list. * @param string|array $class One or more classes to add to the class list.
* @param int|WP_Post $post_id Optional. Post ID or post object. * @param int|WP_Post $post_id Optional. Post ID or post object.
@ -446,21 +447,22 @@ function get_post_class( $class = '', $post_id = null ) {
// hentry for hAtom compliance // hentry for hAtom compliance
$classes[] = 'hentry'; $classes[] = 'hentry';
// Categories // All public taxonomies
if ( is_object_in_taxonomy( $post->post_type, 'category' ) ) { $taxonomies = get_taxonomies( array( 'public' => true ) );
foreach ( (array) get_the_category($post->ID) as $cat ) { foreach ( (array) $taxonomies as $taxonomy ) {
if ( empty($cat->slug ) ) if ( is_object_in_taxonomy( $post->post_type, $taxonomy ) ) {
continue; foreach ( (array) get_the_terms( $post->ID, $taxonomy ) as $term ) {
$classes[] = 'category-' . sanitize_html_class($cat->slug, $cat->term_id); if ( empty( $term->slug ) ) {
} continue;
} }
// Tags // 'post_tag' uses the 'tag' prefix for backward compatibility.
if ( is_object_in_taxonomy( $post->post_type, 'post_tag' ) ) { if ( 'post_tag' == $taxonomy ) {
foreach ( (array) get_the_tags($post->ID) as $tag ) { $classes[] = 'tag-' . sanitize_html_class( $term->slug, $term->term_id );
if ( empty($tag->slug ) ) } else {
continue; $classes[] = sanitize_html_class( $taxonomy . '-' . $term->slug, $taxonomy . '-' . $term->term_id );
$classes[] = 'tag-' . sanitize_html_class($tag->slug, $tag->term_id); }
}
} }
} }

67
tests/phpunit/tests/post/getPostClass.php Normal file
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@ -0,0 +1,67 @@
<?php
/**
* @group post
* @covers ::get_post_class
*/
class Tests_Post_GetPostClass extends WP_UnitTestCase {
protected $post_id;
public function setUp() {
parent::setUp();
$this->post_id = $this->factory->post->create();
}
public function test_with_tags() {
wp_set_post_terms( $this->post_id, array( 'foo', 'bar' ), 'post_tag' );
$found = get_post_class( '', $this->post_id );
$this->assertContains( 'tag-foo', $found );
$this->assertContains( 'tag-bar', $found );
}
public function test_with_categories() {
$cats = $this->factory->category->create_many( 2 );
wp_set_post_terms( $this->post_id, $cats, 'category' );
$cat0 = get_term( $cats[0], 'category' );
$cat1 = get_term( $cats[1], 'category' );
$found = get_post_class( '', $this->post_id );
$this->assertContains( 'category-' . $cat0->slug, $found );
$this->assertContains( 'category-' . $cat1->slug, $found );
}
public function test_with_custom_taxonomy() {
register_taxonomy( 'wptests_tax', 'post' );
wp_set_post_terms( $this->post_id, array( 'foo', 'bar' ), 'wptests_tax' );
$found = get_post_class( '', $this->post_id );
$this->assertContains( 'wptests_tax-foo', $found );
$this->assertContains( 'wptests_tax-bar', $found );
}
/**
* @group cache
*/
public function test_taxonomy_classes_hit_cache() {
global $wpdb;
register_taxonomy( 'wptests_tax', 'post' );
wp_set_post_terms( $this->post_id, array( 'foo', 'bar' ), 'wptests_tax' );
wp_set_post_terms( $this->post_id, array( 'footag', 'bartag' ), 'post_tag' );
// Prime cache, including meta cache, which is used by get_post_class().
update_object_term_cache( $this->post_id, 'post' );
update_meta_cache( 'post', $this->post_id );
$num_queries = $wpdb->num_queries;
$found = get_post_class( '', $this->post_id );
$this->assertSame( $num_queries, $wpdb->num_queries );
}
}