post_class_taxonomies │ filter-hook │ WP 6.1.0

Filters the taxonomies to generate classes for each individual term.

Default is all public taxonomies registered to the post type.

Usage

add_filter( 'post_class_taxonomies', 'wp_kama_post_class_taxonomies_filter', 10, 4 );

/**
 * Function for `post_class_taxonomies` filter-hook.
 * 
 * @param string[] $taxonomies List of all taxonomy names to generate classes for.
 * @param int      $post_id    The post ID.
 * @param string[] $classes    An array of post class names.
 * @param string[] $css_class  An array of additional class names added to the post.
 *
 * @return string[]
 */
function wp_kama_post_class_taxonomies_filter( $taxonomies, $post_id, $classes, $css_class ){

	// filter...
	return $taxonomies;
}

$taxonomies(string[])

List of all taxonomy names to generate classes for.

$post_id(int)

The post ID.

$classes(string[])

An array of post class names.

$css_class(string[])

An array of additional class names added to the post.

Changelog

Where the hook is called

$taxonomies = apply_filters( 'post_class_taxonomies', $taxonomies, $post->ID, $classes, $css_class );

Where the hook is used in WordPress