Search Posts by Author Name
Makes the site search also return posts written by authors whose name matches the search, so "maria" finds everything by Maria Lopez.
Opens WPIDE on
Code
add_filter( 'posts_search', function ( $search, $query ) {
global $wpdb;
if ( '' === $search || is_admin() || ! $query->is_main_query() || ! $query->is_search() ) {
return $search;
}
$phrase = trim( (string) $query->get( 's' ) );
if ( strlen( $phrase ) < 3 ) {
return $search;
}
// Authors whose display name contains the search, for example "maria" finds posts by Maria Lopez.
$authors = get_users( array(
'search' => '*' . $phrase . '*',
'search_columns' => array( 'display_name' ),
'has_published_posts' => true,
'number' => 20,
'fields' => 'ID',
) );
if ( ! $authors ) {
return $search;
}
$password = '';
$marker = " AND ({$wpdb->posts}.post_password = '') ";
if ( substr( $search, -strlen( $marker ) ) === $marker ) {
$password = $marker;
$search = substr( $search, 0, -strlen( $marker ) );
}
$inner = preg_replace( '/^\s*AND\s*/', '', $search );
$ids = implode( ',', array_map( 'absint', $authors ) );
return " AND ( {$wpdb->posts}.post_author IN ({$ids}) OR {$inner} ){$password}";
}, 10, 2 );Notes
Matches display names of users who have published posts, for searches of three characters or more.
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