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Posts: Introduce get_post_types_by_support().

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Similar to `get_post_types()`, this new function returns a list of post type names that support a specific feature.

Props wpsmith, barryceelen, swissspidy.
Fixes #34010.

git-svn-id: https://develop.svn.wordpress.org/trunk@36652 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Pascal Birchler 2016-02-23 22:49:17 +00:00
parent 7fdb345958
commit 9fb4d30ada
2 changed files with 71 additions and 0 deletions
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22
src/wp-includes/post.php
View File

@ -1638,6 +1638,28 @@ function post_type_supports( $post_type, $feature ) {
return ( isset( $_wp_post_type_features[$post_type][$feature] ) );
}
/**
* Get a list of post type names that support a specific feature.
*
* @since 4.5.0
*
* @global array $_wp_post_type_features
*
* @param array|string $args Single feature or an array of features the post types should support.
* @param string $operator Optional. The logical operation to perform. 'or' means
* only one element from the array needs to match; 'and'
* means all elements must match; 'not' means no elements may
* match. Default 'and'.
* @return array A list of post type names.
*/
function get_post_types_by_support( $args, $operator = 'and' ) {
global $_wp_post_type_features;
$features = array_fill_keys( (array) $args, true );
return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) );
}
/**
* Update the post type for the post ID.
*

49
tests/phpunit/tests/post/types.php
View File

@ -379,4 +379,53 @@ class Tests_Post_Types extends WP_UnitTestCase {
$this->assertFalse( post_type_exists( 'foo' ) );
}
/**
* @ticket 34010
*/
public function test_get_post_types_by_support_single_feature() {
$this->assertContains( 'post', get_post_types_by_support( 'title' ) );
$this->assertContains( 'page', get_post_types_by_support( 'title' ) );
$this->assertContains( 'attachment', get_post_types_by_support( 'title' ) );
$this->assertContains( 'nav_menu_item', get_post_types_by_support( 'title' ) );
}
/**
* @ticket 34010
*/
public function test_get_post_types_by_support_multiple_features() {
$this->assertContains( 'post', get_post_types_by_support( array( 'thumbnail', 'author' ) ) );
$this->assertContains( 'page', get_post_types_by_support( array( 'thumbnail', 'author' ) ) );
}
/**
* @ticket 34010
*/
public function test_get_post_types_by_support_or_operator() {
$this->assertContains( 'post', get_post_types_by_support( array( 'post-formats', 'page-attributes' ), 'or' ) );
$this->assertContains( 'page', get_post_types_by_support( array( 'post-formats', 'page-attributes' ), 'or' ) );
}
/**
* @ticket 34010
*/
public function test_get_post_types_by_support_not_operator() {
$this->assertContains( 'attachment', get_post_types_by_support( array( 'thumbnail' ), 'not' ) );
$this->assertContains( 'revision', get_post_types_by_support( array( 'thumbnail' ), 'not' ) );
$this->assertContains( 'nav_menu_item', get_post_types_by_support( array( 'thumbnail' ), 'not' ) );
}
/**
* @ticket 34010
*/
public function test_get_post_types_by_support_excluding_features() {
$this->assertEqualSets( array(), get_post_types_by_support( array( 'post-formats', 'page-attributes' ) ) );
}
/**
* @ticket 34010
*/
public function test_get_post_types_by_support_non_existant_feature() {
$this->assertEqualSets( array(), get_post_types_by_support( 'somefeature' ) );
}
}