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function is not described

walk_category_tree() WP 2.1.0

Retrieves HTML list content for category list.

No Hooks.

Return

String.

Usage

walk_category_tree( ...$args );
...$args(mixed) (required)
Elements array, maximum hierarchical depth and optional additional arguments.

Notes

  • See: Walker::walk() for parameters and return description.

Changelog

Since 2.1.0 Introduced.
Since 5.3.0 Formalized the existing ...$args parameter by adding it to the function signature.

Code of walk_category_tree() WP 5.5.1

<?php
function walk_category_tree( ...$args ) {
	// The user's options are the third parameter.
	if ( empty( $args[2]['walker'] ) || ! ( $args[2]['walker'] instanceof Walker ) ) {
		$walker = new Walker_Category;
	} else {
		/**
		 * @var Walker $walker
		 */
		$walker = $args[2]['walker'];
	}
	return $walker->walk( ...$args );
}