WordPress at a glance
function is not described

get_sample_permalink() WP 2.5.0

Get a sample permalink based off of the post name.

Hooks in function
Return

Array. Array containing the sample permalink with placeholder for the post name, and the post name.

Usage

get_sample_permalink( $id, $title, $name );
$id(int) (required)
Post ID or post object.
$title(string)
Title to override the post's current title when generating the post name.
Default: null
$name(string)
Name to override the post name.
Default: null

Code of get sample permalink: wp-admin/includes/post.php VER 5.0.3

<?php
function get_sample_permalink($id, $title = null, $name = null) {
	$post = get_post( $id );
	if ( ! $post )
		return array( '', '' );

	$ptype = get_post_type_object($post->post_type);

	$original_status = $post->post_status;
	$original_date = $post->post_date;
	$original_name = $post->post_name;

	// Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published.
	if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ) ) ) {
		$post->post_status = 'publish';
		$post->post_name = sanitize_title($post->post_name ? $post->post_name : $post->post_title, $post->ID);
	}

	// If the user wants to set a new name -- override the current one
	// Note: if empty name is supplied -- use the title instead, see #6072
	if ( !is_null($name) )
		$post->post_name = sanitize_title($name ? $name : $title, $post->ID);

	$post->post_name = wp_unique_post_slug($post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent);

	$post->filter = 'sample';

	$permalink = get_permalink($post, true);

	// Replace custom post_type Token with generic pagename token for ease of use.
	$permalink = str_replace("%$post->post_type%", '%pagename%', $permalink);

	// Handle page hierarchy
	if ( $ptype->hierarchical ) {
		$uri = get_page_uri($post);
		if ( $uri ) {
			$uri = untrailingslashit($uri);
			$uri = strrev( stristr( strrev( $uri ), '/' ) );
			$uri = untrailingslashit($uri);
		}

		/** This filter is documented in wp-admin/edit-tag-form.php */
		$uri = apply_filters( 'editable_slug', $uri, $post );
		if ( !empty($uri) )
			$uri .= '/';
		$permalink = str_replace('%pagename%', "{$uri}%pagename%", $permalink);
	}

	/** This filter is documented in wp-admin/edit-tag-form.php */
	$permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) );
	$post->post_status = $original_status;
	$post->post_date = $original_date;
	$post->post_name = $original_name;
	unset($post->filter);

	/**
	 * Filters the sample permalink.
	 *
	 * @since 4.4.0
	 *
	 * @param array   $permalink Array containing the sample permalink with placeholder for the post name, and the post name.
	 * @param int     $post_id   Post ID.
	 * @param string  $title     Post title.
	 * @param string  $name      Post name (slug).
	 * @param WP_Post $post      Post object.
	 */
	return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post );
}