web/wp-includes/canonical.php
changeset 204 09a1c134465b
parent 194 32102edaa81b
equal deleted inserted replaced
203:f507feede89a 204:09a1c134465b
    16  * different URLs when they both go to the same location. This SEO enhancement
    16  * different URLs when they both go to the same location. This SEO enhancement
    17  * prevents penalty for duplicate content by redirecting all incoming links to
    17  * prevents penalty for duplicate content by redirecting all incoming links to
    18  * one or the other.
    18  * one or the other.
    19  *
    19  *
    20  * Prevents redirection for feeds, trackbacks, searches, comment popup, and
    20  * Prevents redirection for feeds, trackbacks, searches, comment popup, and
    21  * admin URLs. Does not redirect on IIS, page/post previews, and on form data.
    21  * admin URLs. Does not redirect on non-pretty-permalink-supporting IIS 7,
       
    22  * page/post previews, WP admin, Trackbacks, robots.txt, searches, or on POST
       
    23  * requests.
    22  *
    24  *
    23  * Will also attempt to find the correct link when a user enters a URL that does
    25  * Will also attempt to find the correct link when a user enters a URL that does
    24  * not exist based on exact WordPress query. Will instead try to parse the URL
    26  * not exist based on exact WordPress query. Will instead try to parse the URL
    25  * or query in an attempt to figure the correct page to go to.
    27  * or query in an attempt to figure the correct page to go to.
    26  *
    28  *
    35  *		not needed or the string of the URL
    37  *		not needed or the string of the URL
    36  */
    38  */
    37 function redirect_canonical( $requested_url = null, $do_redirect = true ) {
    39 function redirect_canonical( $requested_url = null, $do_redirect = true ) {
    38 	global $wp_rewrite, $is_IIS, $wp_query, $wpdb;
    40 	global $wp_rewrite, $is_IIS, $wp_query, $wpdb;
    39 
    41 
    40 	if ( is_trackback() || is_search() || is_comments_popup() || is_admin() || !empty($_POST) || is_preview() || is_robots() || $is_IIS )
    42 	if ( is_trackback() || is_search() || is_comments_popup() || is_admin() || !empty($_POST) || is_preview() || is_robots() || ( $is_IIS && !iis7_supports_permalinks() ) )
    41 		return;
    43 		return;
    42 
    44 
    43 	if ( !$requested_url ) {
    45 	if ( !$requested_url ) {
    44 		// build the URL in the address bar
    46 		// build the URL in the address bar
    45 		$requested_url  = is_ssl() ? 'https://' : 'http://';
    47 		$requested_url  = is_ssl() ? 'https://' : 'http://';
   278 			$redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path'];
   280 			$redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path'];
   279 		}
   281 		}
   280 
   282 
   281 		if ( 'wp-register.php' == basename( $redirect['path'] ) ) {
   283 		if ( 'wp-register.php' == basename( $redirect['path'] ) ) {
   282 			if ( is_multisite() )
   284 			if ( is_multisite() )
   283 				$redirect_url = apply_filters( 'wp_signup_location', site_url( 'wp-signup.php' ) );
   285 				$redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) );
   284 			else
   286 			else
   285 				$redirect_url = site_url( 'wp-login.php?action=register' );
   287 				$redirect_url = site_url( 'wp-login.php?action=register' );
   286 			wp_redirect( $redirect_url, 301 );
   288 			wp_redirect( $redirect_url, 301 );
   287 			die();
   289 			die();
   288 		}
   290 		}