permalink-fix.php

<?php 
function custom_rewrite_rule() {
$cat_base = ltrim(get_option('category_base'),'/').'/';
	$rewrites = Array(
	$cat_base.'(.+?)/[^/]+/attachment/([^/]+)/?$'=>'index.php?attachment=$matches[1]',
	$cat_base.'(.+?)/[^/]+/attachment/([^/]+)/trackback/?$'=>'index.php?attachment=$matches[1]&tb=1',
	$cat_base.'(.+?)/[^/]+/attachment/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$'=>'index.php?attachment=$matches[1]&feed=$matches[2]',
	$cat_base.'(.+?)/[^/]+/attachment/([^/]+)/(feed|rdf|rss|rss2|atom)/?$'=>'index.php?attachment=$matches[1]&feed=$matches[2]',
	$cat_base.'(.+?)/[^/]+/attachment/([^/]+)/comment-page-([0-9]{1,})/?$'=>'index.php?attachment=$matches[1]&cpage=$matches[2]',
	$cat_base.'(.+?)/[^/]+/attachment/([^/]+)/embed/?$'=>'index.php?attachment=$matches[1]&embed=true',
	$cat_base.'(.+?)/([^/]+)/embed/?$'=>'index.php?name=$matches[1]&embed=true',
	$cat_base.'(.+?)/([^/]+)/trackback/?$'=>'index.php?name=$matches[1]&tb=1',
	$cat_base.'(.+?)/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$'=>'index.php?name=$matches[1]&feed=$matches[2]',
	$cat_base.'(.+?)/([^/]+)/(feed|rdf|rss|rss2|atom)/?$'=>'index.php?name=$matches[1]&feed=$matches[2]',
	$cat_base.'(.+?)/([^/]+)/page/?([0-9]{1,})/?$'=>'index.php?name=$matches[1]&paged=$matches[2]',
	$cat_base.'(.+?)/([^/]+)/comment-page-([0-9]{1,})/?$'=>'index.php?name=$matches[1]&cpage=$matches[2]',
	$cat_base.'(.+?)/([^/]+)(?:/([0-9]+))?/?$'=>'index.php?name=$matches[1]&page=$matches[2]',
	$cat_base.'(.+?)/[^/]+/([^/]+)/?$'=>'index.php?attachment=$matches[1]',
	$cat_base.'(.+?)/[^/]+/([^/]+)/trackback/?$'=>'index.php?attachment=$matches[1]&tb=1',
	$cat_base.'(.+?)/[^/]+/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$'=>'index.php?attachment=$matches[1]&feed=$matches[2]',
	$cat_base.'(.+?)/[^/]+/([^/]+)/(feed|rdf|rss|rss2|atom)/?$'=>'index.php?attachment=$matches[1]&feed=$matches[2]',
	$cat_base.'(.+?)/[^/]+/([^/]+)/comment-page-([0-9]{1,})/?$'=>'index.php?attachment=$matches[1]&cpage=$matches[2]',
	$cat_base.'(.+?)/[^/]+/([^/]+)/embed/?$'=>'index.php?attachment=$matches[1]&embed=true');
	foreach( $rewrites as $regex => $match ) {
		add_rewrite_rule( $regex, $match, 'top');
	}
}
add_action('init', 'custom_rewrite_rule', 10, 0);