WordPress at a glance
function is not described

WP_Rewrite::get_author_permastruct() public WP 1.5.0

Retrieves the author permalink structure.

The permalink structure is front property, author base, and finally '/%author%'. Will set the author_structure property and then return it without attempting to set the value again.

{} It's a method of the class: WP_Rewrite{}

No Hooks.

Return

String/false. Author permalink structure on success, false on failure.

Usage

global $wp_rewrite;
$wp_rewrite->get_author_permastruct();

Changelog

Since 1.5.0 Introduced.

Code of WP_Rewrite::get_author_permastruct() WP 5.5.3

<?php
public function get_author_permastruct() {
	if ( isset( $this->author_structure ) ) {
		return $this->author_structure;
	}

	if ( empty( $this->permalink_structure ) ) {
		$this->author_structure = '';
		return false;
	}

	$this->author_structure = $this->front . $this->author_base . '/%author%';

	return $this->author_structure;
}