Be careful when using this, as users may not expect this functionality.
If there’s only one match for a particular search query, you can save users the hassle of clicking by simply redirecting them to the page/post.
add_action('template_redirect', 'single_result');
function single_result() {
if (is_search()) {
global $wp_query;
if ( $wp_query->post_count == 1 && $wp_query->max_num_pages == 1 ) {
wp_redirect( get_permalink( $wp_query->posts[0]->ID ) );
exit;
}
}
}
You probably shouldn’t use this if you have really generic page/post titles, but it can be a really handy feature.
Basically, if a user searches for something that happens to be an exact match to a page or post you have, it’ll redirect the user to the page, rather than displaying search results.
add_action('template_redirect', 'seach_query_is_title');
function seach_query_is_title() {
if (is_search()) {
global $wp_query;
if ( get_page_by_title( get_search_query(), 'OBJECT', 'post' ) ) {
wp_redirect( get_permalink( get_page_by_title (get_search_query() )->ID ) );
}
elseif ( get_page_by_title( get_search_query(), 'OBJECT', 'page' ) ) {
wp_redirect( get_permalink( get_page_by_title( get_search_query() )->ID ) );
}
}
}
Relevant for WordPress 4.4: https://core.trac.wordpress.org/ticket/35103
If you’ve created a login page that isn’t at /wp-login.php, here’s a simple way you can redirect users who click on the “Log In” links to your new page:
add_filter( 'login_url', 'new_login_url', 10, 2 );
function new_login_url( $login_url, $redirect ) {
return '/log-in/';
}
Sometimes, it might be necessary to redirect users to some page other than the dashboard. In the example below, users are redirected to their profile page when they log in.
add_filter( 'login_redirect', 'redirect_to_profile', 10, 2 );
function redirect_to_profile( $redirect_to, $user ) {
return admin_url('profile.php');
}