T5 Temporary Internal Links

t5-temporary-internal-links.php

<?php # -*- coding: utf-8 -*-
/**
 * Plugin Name: T5 Temporary Internal Links
 * Description: Changes the URLs from the Internal Link dialog to /?p=123.
 * Plugin URI:
 * Version:     2012.09.16
 * Author:      Thomas Scholz
 * Author URI:  http://toscho.de
 * License:     MIT
 * License URI: http://www.opensource.org/licenses/mit-license.php
 */

add_action( 'check_ajax_referer', 't5_temporary_internal_links', 10, 1 );

/**
 * Turn permalinks into dynamic links.
 *
 * @param   string $action_or_link Action when called per 'check_ajax_referer',
 *                                later the permalink.
 * @param   object|integer $post
 * @wp-hook check_ajax_referer
 * @wp-hook page_link
 * @wp-hook attachment_link
 * @wp-hook post_type_link
 * @wp-hook post_link
 * @since   2012.09.16
 * @return  string
 */
function t5_temporary_internal_links( $action_or_link, $post = 0 )
{
	if ( 'check_ajax_referer' === current_filter()
		and 'internal-linking' === $action_or_link
	)
	{
		add_filter( 'page_link',       __FUNCTION__, 10, 2 );
		// You cannot search for attachments in this dialog,
		// but a plugin might have changed that, so …
		add_filter( 'attachment_link', __FUNCTION__, 10, 2 );
		add_filter( 'post_type_link',  __FUNCTION__, 10, 2 );
		add_filter( 'post_link',       __FUNCTION__, 10, 2 );
		return;
	}

	$id = is_object( $post ) ? $post->ID : $post;
	return home_url( "?p=$id" );
}