WP_Site_Query::get_search_sql( string $search, string[] $columns ): string

762	protected function get_search_sql( $search, $columns ) {763		global $wpdb;764 765		if ( str_contains( $search, '*' ) ) {766			$like = '%' . implode( '%', array_map( array( $wpdb, 'esc_like' ), explode( '*', $search ) ) ) . '%';767		} else {768			$like = '%' . $wpdb->esc_like( $search ) . '%';769		}770 771		$searches = array();772		foreach ( $columns as $column ) {773			$searches[] = $wpdb->prepare( "$column LIKE %s", $like );774		}775 776		return '(' . implode( ' OR ', $searches ) . ')';777	}