More specific Tazonomy canonicalisation; Allows custom vars through, strips all per-taxonomy query vars. See #17174

git-svn-id: http://svn.automattic.com/wordpress/trunk@18079 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
dd32 2011-05-31 06:13:27 +00:00
parent fc52dfeec4
commit 6d7b36269e
1 changed files with 31 additions and 24 deletions

View File

@ -154,35 +154,42 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
$obj = $wp_query->get_queried_object();
if ( $term_count <= 1 && !empty($obj->term_id) && ( $tax_url = get_term_link((int)$obj->term_id, $obj->taxonomy) ) && !is_wp_error($tax_url) ) {
if ( !empty($redirect['query']) ) {
// Strip taxonomy query vars off the url.
$qv_remove = array( 'term', 'taxonomy');
if ( is_category() ) {
$redirect['query'] = remove_query_arg( array( 'category_name', 'category', 'cat'), $redirect['query']);
$qv_remove[] = 'category_name';
$qv_remove[] = 'cat';
} elseif ( is_tag() ) {
$redirect['query'] = remove_query_arg( array( 'tag', 'tag_id'), $redirect['query']);
} elseif ( is_tax() ) { // Custom taxonomies will have a custom query var, remove those too:
$tax = get_taxonomy( $obj->taxonomy );
if ( false !== $tax->query_var)
$redirect['query'] = remove_query_arg($tax->query_var, $redirect['query']);
else
$redirect['query'] = remove_query_arg( array( 'term', 'taxonomy'), $redirect['query']);
$qv_remove[] = 'tag';
$qv_remove[] = 'tag_id';
} else { // Custom taxonomies will have a custom query var, remove those too:
$tax_obj = get_taxonomy( $obj->taxonomy );
if ( false !== $tax_obj->query_var )
$qv_remove[] = $tax_obj->query_var;
}
$rewrite_vars = array_diff( array_keys($wp_query->query), array_keys($_GET) );
if ( !array_diff($rewrite_vars, array_keys($_GET)) ) { // Check to see if all the Query vars are coming from the rewrite, none are set via $_GET
$redirect['query'] = remove_query_arg($qv_remove, $redirect['query']); //Remove all of the per-tax qv's
// Create the destination url for this taxonomy
$tax_url = parse_url($tax_url);
if ( ! empty($tax_url['query']) ) { // Taxonomy accessable via ?taxonomy=..&term=.. or any custom qv..
parse_str($tax_url['query'], $query_vars);
$redirect['query'] = add_query_arg($query_vars, $redirect['query']);
} else { // Taxonomy is accessable via a "pretty-URL"
$redirect['path'] = $tax_url['path'];
}
} else { // Some query vars are set via $_GET. Unset those from $_GET that exist via the rewrite
foreach ( $qv_remove as $_qv ) {
if ( isset($rewrite_vars[$_qv]) )
$redirect['query'] = remove_query_arg($_qv, $redirect['query']);
}
}
}
$tax_obj = get_taxonomy( $obj->taxonomy );
$tax_query_vars = array_diff( array_keys( $wp_query->query ), array_keys( $_GET ), array( 'taxonomy', 'term', $tax_obj->query_var ) );
$tax_url = parse_url($tax_url);
if ( ! empty($tax_query_vars) ) {
foreach ( array( 'taxonomy', 'term', $tax_obj->query_var ) as $qv ) {
if ( !empty($wp_query->query[$qv]) )
$redirect['query'] = add_query_arg($qv, $wp_query->query[$qv], $redirect['query']);
}
} elseif ( ! empty($tax_url['query']) ) { // Custom taxonomies may only be accessable via ?taxonomy=..&term=..
parse_str($tax_url['query'], $query_vars);
$redirect['query'] = add_query_arg($query_vars, $redirect['query']);
} else { // Taxonomy is accessable via a "pretty-URL"
$redirect['path'] = $tax_url['path'];
}
}
} elseif ( is_single() && strpos($wp_rewrite->permalink_structure, '%category%') !== false ) {
$category = get_category_by_path(get_query_var('category_name'));