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home/laciafrdyl/www/wp-includes/canonical-20260306190303.php��0000644��00000103333�15154474122�0016714 0��ustar�00��<?php /** * Canonical API to handle WordPress Redirecting * * Based on "Permalink Redirect" from Scott Yang and "Enforce www. Preference" * by Mark Jaquith * * @package WordPress * @since 2.3.0 / /* * Redirects incoming links to the proper URL based on the site url. * * Search engines consider www.somedomain.com and somedomain.com to be two * different URLs when they both go to the same location. This SEO enhancement * prevents penalty for duplicate content by redirecting all incoming links to * one or the other. * * Prevents redirection for feeds, trackbacks, searches, and * admin URLs. Does not redirect on non-pretty-permalink-supporting IIS 7+, * page/post previews, WP admin, Trackbacks, robots.txt, favicon.ico, searches, * or on POST requests. * * Will also attempt to find the correct link when a user enters a URL that does * not exist based on exact WordPress query. Will instead try to parse the URL * or query in an attempt to figure the correct page to go to. * * @since 2.3.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * @global bool $is_IIS * @global WP_Query $wp_query WordPress Query object. * @global wpdb $wpdb WordPress database abstraction object. * @global WP $wp Current WordPress environment instance. * * @param string $requested_url Optional. The URL that was requested, used to * figure if redirect is needed. * @param bool $do_redirect Optional. Redirect to the new URL. * @return string\|void The string of the URL, if redirect needed. / function redirect_canonical( $requested_url = null, $do_redirect = true ) { global $wp_rewrite, $is_IIS, $wp_query, $wpdb, $wp; if ( isset( $_SERVER['REQUEST_METHOD'] ) && ! in_array( strtoupper( $_SERVER['REQUEST_METHOD'] ), array( 'GET', 'HEAD' ), true ) ) { return; } / * If we're not in wp-admin and the post has been published and preview nonce * is non-existent or invalid then no need for preview in query. / if ( is_preview() && get_query_var( 'p' ) && 'publish' === get_post_status( get_query_var( 'p' ) ) ) { if ( ! isset( $_GET['preview_id'] ) \|\| ! isset( $_GET['preview_nonce'] ) \|\| ! wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . (int) $_GET['preview_id'] ) ) { $wp_query->is_preview = false; } } if ( is_admin() \|\| is_search() \|\| is_preview() \|\| is_trackback() \|\| is_favicon() \|\| ( $is_IIS && ! iis7_supports_permalinks() ) ) { return; } if ( ! $requested_url && isset( $_SERVER['HTTP_HOST'] ) ) { // Build the URL in the address bar. $requested_url = is_ssl() ? 'https://' : 'http://'; $requested_url .= $_SERVER['HTTP_HOST']; $requested_url .= $_SERVER['REQUEST_URI']; } $original = parse_url( $requested_url ); if ( false === $original ) { return; } $redirect = $original; $redirect_url = false; $redirect_obj = false; // Notice fixing. if ( ! isset( $redirect['path'] ) ) { $redirect['path'] = ''; } if ( ! isset( $redirect['query'] ) ) { $redirect['query'] = ''; } / * If the original URL ended with non-breaking spaces, they were almost * certainly inserted by accident. Let's remove them, so the reader doesn't * see a 404 error with no obvious cause. / $redirect['path'] = preg_replace( '\|(%C2%A0)+$\|i', '', $redirect['path'] ); // It's not a preview, so remove it from URL. if ( get_query_var( 'preview' ) ) { $redirect['query'] = remove_query_arg( 'preview', $redirect['query'] ); } $post_id = get_query_var( 'p' ); if ( is_feed() && $post_id ) { $redirect_url = get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) ); $redirect_obj = get_post( $post_id ); if ( $redirect_url ) { $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type', 'feed' ), $redirect_url ); $redirect['path'] = parse_url( $redirect_url, PHP_URL_PATH ); } } if ( is_singular() && $wp_query->post_count < 1 && $post_id ) { $vars = $wpdb->get_results( $wpdb->prepare( "SELECT post_type, post_parent FROM $wpdb->posts WHERE ID = %d", $post_id ) ); if ( ! empty( $vars[0] ) ) { $vars = $vars[0]; if ( 'revision' === $vars->post_type && $vars->post_parent > 0 ) { $post_id = $vars->post_parent; } $redirect_url = get_permalink( $post_id ); $redirect_obj = get_post( $post_id ); if ( $redirect_url ) { $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } } // These tests give us a WP-generated permalink. if ( is_404() ) { // Redirect ?page_id, ?p=, ?attachment_id= to their respective URLs. $post_id = max( get_query_var( 'p' ), get_query_var( 'page_id' ), get_query_var( 'attachment_id' ) ); $redirect_post = $post_id ? get_post( $post_id ) : false; if ( $redirect_post ) { $post_type_obj = get_post_type_object( $redirect_post->post_type ); if ( $post_type_obj && $post_type_obj->public && 'auto-draft' !== $redirect_post->post_status ) { $redirect_url = get_permalink( $redirect_post ); $redirect_obj = get_post( $redirect_post ); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } $year = get_query_var( 'year' ); $month = get_query_var( 'monthnum' ); $day = get_query_var( 'day' ); if ( $year && $month && $day ) { $date = sprintf( '%04d-%02d-%02d', $year, $month, $day ); if ( ! wp_checkdate( $month, $day, $year, $date ) ) { $redirect_url = get_month_link( $year, $month ); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum', 'day' ), $redirect_url ); } } elseif ( $year && $month && $month > 12 ) { $redirect_url = get_year_link( $year ); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum' ), $redirect_url ); } // Strip off non-existing <!--nextpage--> links from single posts or pages. if ( get_query_var( 'page' ) ) { $post_id = 0; if ( $wp_query->queried_object instanceof WP_Post ) { $post_id = $wp_query->queried_object->ID; } elseif ( $wp_query->post ) { $post_id = $wp_query->post->ID; } if ( $post_id ) { $redirect_url = get_permalink( $post_id ); $redirect_obj = get_post( $post_id ); $redirect['path'] = rtrim( $redirect['path'], (int) get_query_var( 'page' ) . '/' ); $redirect['query'] = remove_query_arg( 'page', $redirect['query'] ); } } if ( ! $redirect_url ) { $redirect_url = redirect_guess_404_permalink(); if ( $redirect_url ) { $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'page', 'feed', 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } } elseif ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) { // Rewriting of old ?p=X, ?m=2004, ?m=200401, ?m=20040101. if ( is_attachment() && ! array_diff( array_keys( $wp->query_vars ), array( 'attachment', 'attachment_id' ) ) && ! $redirect_url ) { if ( ! empty( $_GET['attachment_id'] ) ) { $redirect_url = get_attachment_link( get_query_var( 'attachment_id' ) ); $redirect_obj = get_post( get_query_var( 'attachment_id' ) ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'attachment_id', $redirect['query'] ); } } else { $redirect_url = get_attachment_link(); $redirect_obj = get_post(); } } elseif ( is_single() && ! empty( $_GET['p'] ) && ! $redirect_url ) { $redirect_url = get_permalink( get_query_var( 'p' ) ); $redirect_obj = get_post( get_query_var( 'p' ) ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( array( 'p', 'post_type' ), $redirect['query'] ); } } elseif ( is_single() && ! empty( $_GET['name'] ) && ! $redirect_url ) { $redirect_url = get_permalink( $wp_query->get_queried_object_id() ); $redirect_obj = get_post( $wp_query->get_queried_object_id() ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'name', $redirect['query'] ); } } elseif ( is_page() && ! empty( $_GET['page_id'] ) && ! $redirect_url ) { $redirect_url = get_permalink( get_query_var( 'page_id' ) ); $redirect_obj = get_post( get_query_var( 'page_id' ) ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'page_id', $redirect['query'] ); } } elseif ( is_page() && ! is_feed() && ! $redirect_url && 'page' === get_option( 'show_on_front' ) && get_queried_object_id() === (int) get_option( 'page_on_front' ) ) { $redirect_url = home_url( '/' ); } elseif ( is_home() && ! empty( $_GET['page_id'] ) && ! $redirect_url && 'page' === get_option( 'show_on_front' ) && get_query_var( 'page_id' ) === (int) get_option( 'page_for_posts' ) ) { $redirect_url = get_permalink( get_option( 'page_for_posts' ) ); $redirect_obj = get_post( get_option( 'page_for_posts' ) ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'page_id', $redirect['query'] ); } } elseif ( ! empty( $_GET['m'] ) && ( is_year() \|\| is_month() \|\| is_day() ) ) { $m = get_query_var( 'm' ); switch ( strlen( $m ) ) { case 4: // Yearly. $redirect_url = get_year_link( $m ); break; case 6: // Monthly. $redirect_url = get_month_link( substr( $m, 0, 4 ), substr( $m, 4, 2 ) ); break; case 8: // Daily. $redirect_url = get_day_link( substr( $m, 0, 4 ), substr( $m, 4, 2 ), substr( $m, 6, 2 ) ); break; } if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'm', $redirect['query'] ); } // Now moving on to non ?m=X year/month/day links. } elseif ( is_date() ) { $year = get_query_var( 'year' ); $month = get_query_var( 'monthnum' ); $day = get_query_var( 'day' ); if ( is_day() && $year && $month && ! empty( $_GET['day'] ) ) { $redirect_url = get_day_link( $year, $month, $day ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( array( 'year', 'monthnum', 'day' ), $redirect['query'] ); } } elseif ( is_month() && $year && ! empty( $_GET['monthnum'] ) ) { $redirect_url = get_month_link( $year, $month ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( array( 'year', 'monthnum' ), $redirect['query'] ); } } elseif ( is_year() && ! empty( $_GET['year'] ) ) { $redirect_url = get_year_link( $year ); if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'year', $redirect['query'] ); } } } elseif ( is_author() && ! empty( $_GET['author'] ) && is_string( $_GET['author'] ) && preg_match( '\|^[0-9]+$\|', $_GET['author'] ) ) { $author = get_userdata( get_query_var( 'author' ) ); if ( false !== $author && $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE $wpdb->posts.post_author = %d AND $wpdb->posts.post_status = 'publish' LIMIT 1", $author->ID ) ) ) { $redirect_url = get_author_posts_url( $author->ID, $author->user_nicename ); $redirect_obj = $author; if ( $redirect_url ) { $redirect['query'] = remove_query_arg( 'author', $redirect['query'] ); } } } elseif ( is_category() \|\| is_tag() \|\| is_tax() ) { // Terms (tags/categories). $term_count = 0; foreach ( $wp_query->tax_query->queried_terms as $tax_query ) { if ( isset( $tax_query['terms'] ) && is_countable( $tax_query['terms'] ) ) { $term_count += count( $tax_query['terms'] ); } } $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 ); if ( $tax_url && ! is_wp_error( $tax_url ) ) { if ( ! empty( $redirect['query'] ) ) { // Strip taxonomy query vars off the URL. $qv_remove = array( 'term', 'taxonomy' ); if ( is_category() ) { $qv_remove[] = 'category_name'; $qv_remove[] = 'cat'; } elseif ( is_tag() ) { $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 ) ); // Check to see if all the query vars are coming from the rewrite, none are set via $_GET. if ( ! array_diff( $rewrite_vars, array_keys( $_GET ) ) ) { // Remove all of the per-tax query vars. $redirect['query'] = remove_query_arg( $qv_remove, $redirect['query'] ); // Create the destination URL for this taxonomy. $tax_url = parse_url( $tax_url ); if ( ! empty( $tax_url['query'] ) ) { // Taxonomy accessible via ?taxonomy=...&term=... or any custom query var. parse_str( $tax_url['query'], $query_vars ); $redirect['query'] = add_query_arg( $query_vars, $redirect['query'] ); } else { // Taxonomy is accessible 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'] ); } } } } } } } elseif ( is_single() && str_contains( $wp_rewrite->permalink_structure, '%category%' ) ) { $category_name = get_query_var( 'category_name' ); if ( $category_name ) { $category = get_category_by_path( $category_name ); if ( ! $category \|\| is_wp_error( $category ) \|\| ! has_term( $category->term_id, 'category', $wp_query->get_queried_object_id() ) ) { $redirect_url = get_permalink( $wp_query->get_queried_object_id() ); $redirect_obj = get_post( $wp_query->get_queried_object_id() ); } } } // Post paging. if ( is_singular() && get_query_var( 'page' ) ) { $page = get_query_var( 'page' ); if ( ! $redirect_url ) { $redirect_url = get_permalink( get_queried_object_id() ); $redirect_obj = get_post( get_queried_object_id() ); } if ( $page > 1 ) { $redirect_url = trailingslashit( $redirect_url ); if ( is_front_page() ) { $redirect_url .= user_trailingslashit( "$wp_rewrite->pagination_base/$page", 'paged' ); } else { $redirect_url .= user_trailingslashit( $page, 'single_paged' ); } } $redirect['query'] = remove_query_arg( 'page', $redirect['query'] ); } if ( get_query_var( 'sitemap' ) ) { $redirect_url = get_sitemap_url( get_query_var( 'sitemap' ), get_query_var( 'sitemap-subtype' ), get_query_var( 'paged' ) ); $redirect['query'] = remove_query_arg( array( 'sitemap', 'sitemap-subtype', 'paged' ), $redirect['query'] ); } elseif ( get_query_var( 'paged' ) \|\| is_feed() \|\| get_query_var( 'cpage' ) ) { // Paging and feeds. $paged = get_query_var( 'paged' ); $feed = get_query_var( 'feed' ); $cpage = get_query_var( 'cpage' ); while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] ) \|\| preg_match( '#/(comments/?)?(feed\|rss2?\|rdf\|atom)(/+)?$#', $redirect['path'] ) \|\| preg_match( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+(/+)?$#", $redirect['path'] ) ) { // Strip off any existing paging. $redirect['path'] = preg_replace( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", '/', $redirect['path'] ); // Strip off feed endings. $redirect['path'] = preg_replace( '#/(comments/?)?(feed\|rss2?\|rdf\|atom)(/+\|$)#', '/', $redirect['path'] ); // Strip off any existing comment paging. $redirect['path'] = preg_replace( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+?(/+)?$#", '/', $redirect['path'] ); } $addl_path = ''; $default_feed = get_default_feed(); if ( is_feed() && in_array( $feed, $wp_rewrite->feeds, true ) ) { $addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : ''; if ( ! is_singular() && get_query_var( 'withcomments' ) ) { $addl_path .= 'comments/'; } if ( ( 'rss' === $default_feed && 'feed' === $feed ) \|\| 'rss' === $feed ) { $format = ( 'rss2' === $default_feed ) ? '' : 'rss2'; } else { $format = ( $default_feed === $feed \|\| 'feed' === $feed ) ? '' : $feed; } $addl_path .= user_trailingslashit( 'feed/' . $format, 'feed' ); $redirect['query'] = remove_query_arg( 'feed', $redirect['query'] ); } elseif ( is_feed() && 'old' === $feed ) { $old_feed_files = array( 'wp-atom.php' => 'atom', 'wp-commentsrss2.php' => 'comments_rss2', 'wp-feed.php' => $default_feed, 'wp-rdf.php' => 'rdf', 'wp-rss.php' => 'rss2', 'wp-rss2.php' => 'rss2', ); if ( isset( $old_feed_files[ basename( $redirect['path'] ) ] ) ) { $redirect_url = get_feed_link( $old_feed_files[ basename( $redirect['path'] ) ] ); wp_redirect( $redirect_url, 301 ); die(); } } if ( $paged > 0 ) { $redirect['query'] = remove_query_arg( 'paged', $redirect['query'] ); if ( ! is_feed() ) { if ( ! is_single() ) { $addl_path = ! empty( $addl_path ) ? trailingslashit( $addl_path ) : ''; if ( $paged > 1 ) { $addl_path .= user_trailingslashit( "$wp_rewrite->pagination_base/$paged", 'paged' ); } } } elseif ( $paged > 1 ) { $redirect['query'] = add_query_arg( 'paged', $paged, $redirect['query'] ); } } $default_comments_page = get_option( 'default_comments_page' ); if ( get_option( 'page_comments' ) && ( 'newest' === $default_comments_page && $cpage > 0 \|\| 'newest' !== $default_comments_page && $cpage > 1 ) ) { $addl_path = ( ! empty( $addl_path ) ? trailingslashit( $addl_path ) : '' ); $addl_path .= user_trailingslashit( $wp_rewrite->comments_pagination_base . '-' . $cpage, 'commentpaged' ); $redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] ); } // Strip off trailing /index.php/. $redirect['path'] = preg_replace( '\|/' . preg_quote( $wp_rewrite->index, '\|' ) . '/?$\|', '/', $redirect['path'] ); $redirect['path'] = user_trailingslashit( $redirect['path'] ); if ( ! empty( $addl_path ) && $wp_rewrite->using_index_permalinks() && ! str_contains( $redirect['path'], '/' . $wp_rewrite->index . '/' ) ) { $redirect['path'] = trailingslashit( $redirect['path'] ) . $wp_rewrite->index . '/'; } if ( ! empty( $addl_path ) ) { $redirect['path'] = trailingslashit( $redirect['path'] ) . $addl_path; } $redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path']; } if ( 'wp-register.php' === basename( $redirect['path'] ) ) { if ( is_multisite() ) { /* This filter is documented in wp-login.php / $redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) ); } else { $redirect_url = wp_registration_url(); } wp_redirect( $redirect_url, 301 ); die(); } } $is_attachment_redirect = false; if ( is_attachment() && ! get_option( 'wp_attachment_pages_enabled' ) ) { $attachment_id = get_query_var( 'attachment_id' ); $attachment_post = get_post( $attachment_id ); $attachment_parent_id = $attachment_post ? $attachment_post->post_parent : 0; $attachment_url = wp_get_attachment_url( $attachment_id ); if ( $attachment_url !== $redirect_url ) { / * If an attachment is attached to a post, it inherits the parent post's status. * Fetch the parent post to check its status later. / if ( $attachment_parent_id ) { $redirect_obj = get_post( $attachment_parent_id ); } $redirect_url = $attachment_url; } $is_attachment_redirect = true; } $redirect['query'] = preg_replace( '#^\??&?#', '', $redirect['query'] ); // Tack on any additional query vars. if ( $redirect_url && ! empty( $redirect['query'] ) ) { parse_str( $redirect['query'], $_parsed_query ); $redirect = parse_url( $redirect_url ); if ( ! empty( $_parsed_query['name'] ) && ! empty( $redirect['query'] ) ) { parse_str( $redirect['query'], $_parsed_redirect_query ); if ( empty( $_parsed_redirect_query['name'] ) ) { unset( $_parsed_query['name'] ); } } $_parsed_query = array_combine( rawurlencode_deep( array_keys( $_parsed_query ) ), rawurlencode_deep( array_values( $_parsed_query ) ) ); $redirect_url = add_query_arg( $_parsed_query, $redirect_url ); } if ( $redirect_url ) { $redirect = parse_url( $redirect_url ); } // www.example.com vs. example.com $user_home = parse_url( home_url() ); if ( ! empty( $user_home['host'] ) ) { $redirect['host'] = $user_home['host']; } if ( empty( $user_home['path'] ) ) { $user_home['path'] = '/'; } // Handle ports. if ( ! empty( $user_home['port'] ) ) { $redirect['port'] = $user_home['port']; } else { unset( $redirect['port'] ); } // Trailing /index.php. $redirect['path'] = preg_replace( '\|/' . preg_quote( $wp_rewrite->index, '\|' ) . '/?$\|', '/', $redirect['path'] ); $punctuation_pattern = implode( '\|', array_map( 'preg_quote', array( ' ', '%20', // Space. '!', '%21', // Exclamation mark. '"', '%22', // Double quote. "'", '%27', // Single quote. '(', '%28', // Opening bracket. ')', '%29', // Closing bracket. ',', '%2C', // Comma. '.', '%2E', // Period. ';', '%3B', // Semicolon. '{', '%7B', // Opening curly bracket. '}', '%7D', // Closing curly bracket. '%E2%80%9C', // Opening curly quote. '%E2%80%9D', // Closing curly quote. ) ) ); // Remove trailing spaces and end punctuation from the path. $redirect['path'] = preg_replace( "#($punctuation_pattern)+$#", '', $redirect['path'] ); if ( ! empty( $redirect['query'] ) ) { // Remove trailing spaces and end punctuation from certain terminating query string args. $redirect['query'] = preg_replace( "#((^\|&)(p\|page_id\|cat\|tag)=[^&]?)($punctuation_pattern)+$#", '$1', $redirect['query'] ); // Clean up empty query strings. $redirect['query'] = trim( preg_replace( '#(^\|&)(p\|page_id\|cat\|tag)=?(&\|$)#', '&', $redirect['query'] ), '&' ); // Redirect obsolete feeds. $redirect['query'] = preg_replace( '#(^\|&)feed=rss(&\|$)#', '$1feed=rss2$2', $redirect['query'] ); // Remove redundant leading ampersands. $redirect['query'] = preg_replace( '#^\??&?#', '', $redirect['query'] ); } // Strip /index.php/ when we're not using PATHINFO permalinks. if ( ! $wp_rewrite->using_index_permalinks() ) { $redirect['path'] = str_replace( '/' . $wp_rewrite->index . '/', '/', $redirect['path'] ); } // Trailing slashes. if ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() && ! $is_attachment_redirect && ! is_404() && ( ! is_front_page() \|\| is_front_page() && get_query_var( 'paged' ) > 1 ) ) { $user_ts_type = ''; if ( get_query_var( 'paged' ) > 0 ) { $user_ts_type = 'paged'; } else { foreach ( array( 'single', 'category', 'page', 'day', 'month', 'year', 'home' ) as $type ) { $func = 'is_' . $type; if ( call_user_func( $func ) ) { $user_ts_type = $type; break; } } } $redirect['path'] = user_trailingslashit( $redirect['path'], $user_ts_type ); } elseif ( is_front_page() ) { $redirect['path'] = trailingslashit( $redirect['path'] ); } // Remove trailing slash for robots.txt or sitemap requests. if ( is_robots() \|\| ! empty( get_query_var( 'sitemap' ) ) \|\| ! empty( get_query_var( 'sitemap-stylesheet' ) ) ) { $redirect['path'] = untrailingslashit( $redirect['path'] ); } // Strip multiple slashes out of the URL. if ( str_contains( $redirect['path'], '//' ) ) { $redirect['path'] = preg_replace( '\|/+\|', '/', $redirect['path'] ); } // Always trailing slash the Front Page URL. if ( trailingslashit( $redirect['path'] ) === trailingslashit( $user_home['path'] ) ) { $redirect['path'] = trailingslashit( $redirect['path'] ); } $original_host_low = strtolower( $original['host'] ); $redirect_host_low = strtolower( $redirect['host'] ); / * Ignore differences in host capitalization, as this can lead to infinite redirects. * Only redirect no-www <=> yes-www. / if ( $original_host_low === $redirect_host_low \|\| ( 'www.' . $original_host_low !== $redirect_host_low && 'www.' . $redirect_host_low !== $original_host_low ) ) { $redirect['host'] = $original['host']; } $compare_original = array( $original['host'], $original['path'] ); if ( ! empty( $original['port'] ) ) { $compare_original[] = $original['port']; } if ( ! empty( $original['query'] ) ) { $compare_original[] = $original['query']; } $compare_redirect = array( $redirect['host'], $redirect['path'] ); if ( ! empty( $redirect['port'] ) ) { $compare_redirect[] = $redirect['port']; } if ( ! empty( $redirect['query'] ) ) { $compare_redirect[] = $redirect['query']; } if ( $compare_original !== $compare_redirect ) { $redirect_url = $redirect['scheme'] . '://' . $redirect['host']; if ( ! empty( $redirect['port'] ) ) { $redirect_url .= ':' . $redirect['port']; } $redirect_url .= $redirect['path']; if ( ! empty( $redirect['query'] ) ) { $redirect_url .= '?' . $redirect['query']; } } if ( ! $redirect_url \|\| $redirect_url === $requested_url ) { return; } // Hex-encoded octets are case-insensitive. if ( str_contains( $requested_url, '%' ) ) { if ( ! function_exists( 'lowercase_octets' ) ) { /* * Converts the first hex-encoded octet match to lowercase. * * @since 3.1.0 * @ignore * * @param array $matches Hex-encoded octet matches for the requested URL. * @return string Lowercased version of the first match. / function lowercase_octets( $matches ) { return strtolower( $matches[0] ); } } $requested_url = preg_replace_callback( '\|%[a-fA-F0-9][a-fA-F0-9]\|', 'lowercase_octets', $requested_url ); } if ( $redirect_obj instanceof WP_Post ) { $post_status_obj = get_post_status_object( get_post_status( $redirect_obj ) ); / * Unset the redirect object and URL if they are not readable by the user. * This condition is a little confusing as the condition needs to pass if * the post is not readable by the user. That's why there are ! (not) conditions * throughout. / if ( // Private post statuses only redirect if the user can read them. ! ( $post_status_obj->private && current_user_can( 'read_post', $redirect_obj->ID ) ) && // For other posts, only redirect if publicly viewable. ! is_post_publicly_viewable( $redirect_obj ) ) { $redirect_obj = false; $redirect_url = false; } } /* * Filters the canonical redirect URL. * * Returning false to this filter will cancel the redirect. * * @since 2.3.0 * * @param string $redirect_url The redirect URL. * @param string $requested_url The requested URL. / $redirect_url = apply_filters( 'redirect_canonical', $redirect_url, $requested_url ); // Yes, again -- in case the filter aborted the request. if ( ! $redirect_url \|\| strip_fragment_from_url( $redirect_url ) === strip_fragment_from_url( $requested_url ) ) { return; } if ( $do_redirect ) { // Protect against chained redirects. if ( ! redirect_canonical( $redirect_url, false ) ) { wp_redirect( $redirect_url, 301 ); exit; } else { // Debug. // die("1: $redirect_url<br />2: " . redirect_canonical( $redirect_url, false ) ); return; } } else { return $redirect_url; } } /* * Removes arguments from a query string if they are not present in a URL * DO NOT use this in plugin code. * * @since 3.4.0 * @access private * * @param string $query_string * @param array $args_to_check * @param string $url * @return string The altered query string / function _remove_qs_args_if_not_in_url( $query_string, array $args_to_check, $url ) { $parsed_url = parse_url( $url ); if ( ! empty( $parsed_url['query'] ) ) { parse_str( $parsed_url['query'], $parsed_query ); foreach ( $args_to_check as $qv ) { if ( ! isset( $parsed_query[ $qv ] ) ) { $query_string = remove_query_arg( $qv, $query_string ); } } } else { $query_string = remove_query_arg( $args_to_check, $query_string ); } return $query_string; } /* * Strips the #fragment from a URL, if one is present. * * @since 4.4.0 * * @param string $url The URL to strip. * @return string The altered URL. / function strip_fragment_from_url( $url ) { $parsed_url = wp_parse_url( $url ); if ( ! empty( $parsed_url['host'] ) ) { $url = ''; if ( ! empty( $parsed_url['scheme'] ) ) { $url = $parsed_url['scheme'] . ':'; } $url .= '//' . $parsed_url['host']; if ( ! empty( $parsed_url['port'] ) ) { $url .= ':' . $parsed_url['port']; } if ( ! empty( $parsed_url['path'] ) ) { $url .= $parsed_url['path']; } if ( ! empty( $parsed_url['query'] ) ) { $url .= '?' . $parsed_url['query']; } } return $url; } /* * Attempts to guess the correct URL for a 404 request based on query vars. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return string\|false The correct URL if one is found. False on failure. / function redirect_guess_404_permalink() { global $wpdb; /* * Filters whether to attempt to guess a redirect URL for a 404 request. * * Returning a false value from the filter will disable the URL guessing * and return early without performing a redirect. * * @since 5.5.0 * * @param bool $do_redirect_guess Whether to attempt to guess a redirect URL * for a 404 request. Default true. / if ( false === apply_filters( 'do_redirect_guess_404_permalink', true ) ) { return false; } /* * Short-circuits the redirect URL guessing for 404 requests. * * Returning a non-null value from the filter will effectively short-circuit * the URL guessing, returning the passed value instead. * * @since 5.5.0 * * @param null\|string\|false $pre Whether to short-circuit guessing the redirect for a 404. * Default null to continue with the URL guessing. / $pre = apply_filters( 'pre_redirect_guess_404_permalink', null ); if ( null !== $pre ) { return $pre; } if ( get_query_var( 'name' ) ) { $publicly_viewable_statuses = array_filter( get_post_stati(), 'is_post_status_viewable' ); $publicly_viewable_post_types = array_filter( get_post_types( array( 'exclude_from_search' => false ) ), 'is_post_type_viewable' ); /* * Filters whether to perform a strict guess for a 404 redirect. * * Returning a truthy value from the filter will redirect only exact post_name matches. * * @since 5.5.0 * * @param bool $strict_guess Whether to perform a strict guess. Default false (loose guess). / $strict_guess = apply_filters( 'strict_redirect_guess_404_permalink', false ); if ( $strict_guess ) { $where = $wpdb->prepare( 'post_name = %s', get_query_var( 'name' ) ); } else { $where = $wpdb->prepare( 'post_name LIKE %s', $wpdb->esc_like( get_query_var( 'name' ) ) . '%' ); } // If any of post_type, year, monthnum, or day are set, use them to refine the query. if ( get_query_var( 'post_type' ) ) { if ( is_array( get_query_var( 'post_type' ) ) ) { $post_types = array_intersect( get_query_var( 'post_type' ), $publicly_viewable_post_types ); if ( empty( $post_types ) ) { return false; } $where .= " AND post_type IN ('" . join( "', '", esc_sql( get_query_var( 'post_type' ) ) ) . "')"; } else { if ( ! in_array( get_query_var( 'post_type' ), $publicly_viewable_post_types, true ) ) { return false; } $where .= $wpdb->prepare( ' AND post_type = %s', get_query_var( 'post_type' ) ); } } else { $where .= " AND post_type IN ('" . implode( "', '", esc_sql( $publicly_viewable_post_types ) ) . "')"; } if ( get_query_var( 'year' ) ) { $where .= $wpdb->prepare( ' AND YEAR(post_date) = %d', get_query_var( 'year' ) ); } if ( get_query_var( 'monthnum' ) ) { $where .= $wpdb->prepare( ' AND MONTH(post_date) = %d', get_query_var( 'monthnum' ) ); } if ( get_query_var( 'day' ) ) { $where .= $wpdb->prepare( ' AND DAYOFMONTH(post_date) = %d', get_query_var( 'day' ) ); } // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared $post_id = $wpdb->get_var( "SELECT ID FROM $wpdb->posts WHERE $where AND post_status IN ('" . implode( "', '", esc_sql( $publicly_viewable_statuses ) ) . "')" ); if ( ! $post_id ) { return false; } if ( get_query_var( 'feed' ) ) { return get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) ); } elseif ( get_query_var( 'page' ) > 1 ) { return trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' ); } else { return get_permalink( $post_id ); } } return false; } /* * Redirects a variety of shorthand URLs to the admin. * * If a user visits example.com/admin, they'll be redirected to /wp-admin. * Visiting /login redirects to /wp-login.php, and so on. * * @since 3.4.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. */ function wp_redirect_admin_locations() { global $wp_rewrite; if ( ! ( is_404() && $wp_rewrite->using_permalinks() ) ) { return; } $admins = array( home_url( 'wp-admin', 'relative' ), home_url( 'dashboard', 'relative' ), home_url( 'admin', 'relative' ), site_url( 'dashboard', 'relative' ), site_url( 'admin', 'relative' ), ); if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $admins, true ) ) { wp_redirect( admin_url() ); exit; } $logins = array( home_url( 'wp-login.php', 'relative' ), home_url( 'login.php', 'relative' ), home_url( 'login', 'relative' ), site_url( 'login', 'relative' ), ); if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $logins, true ) ) { wp_redirect( wp_login_url() ); exit; } } ��