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Created May 1, 2016 20:45
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The new get_post_types_by_support() function in WordPress 4.5 is located in wp-includes/post.php on lines 1641-1661
* Retrieves a list of post type names that support a specific feature.
* @since 4.5.0
* @global array $_wp_post_type_features Post type features
* @param array|string $feature 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( $feature, $operator = 'and' ) {
global $_wp_post_type_features;
$features = array_fill_keys( (array) $feature, true );
return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) );
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