Exclude spammy searches from SearchWP

searchwp-exclude-spam.php

add_filter( 'searchwp\statistics\log', 'my_log_filter', 10, 2 );

function my_log_filter( $enabled, $query ) {

	$search_string = $query->get_keywords();
	$long          = ( strlen( $search_string ) > 30 );
	$www           = ( 'www' === substr( $search_string, 0, 3 ) );
	$slashes       = ( false !== strpos( $search_string, '/' ) );

	if ( $long or $www or $slashes ) {
		return false;
	}

	return true;

}