WordPress at a glance
function is not described

block_core_latest_posts_get_excerpt_length() WP 1.0

Callback for the excerpt_length filter used by the Latest Posts block at render time.

No Hooks.

Return

Int. Returns the global $block_core_latest_posts_excerpt_length variable to allow the excerpt_length filter respect the Latest Block setting.

Usage

block_core_latest_posts_get_excerpt_length();

Code of block_core_latest_posts_get_excerpt_length() WP 5.6

<?php
function block_core_latest_posts_get_excerpt_length() {
	global $block_core_latest_posts_excerpt_length;
	return $block_core_latest_posts_excerpt_length;
}