( $this->hasOption( 'from' ) && !$this->hasOption( 'to' ) ) ||
( !$this->hasOption( 'from' ) && $this->hasOption( 'to' ) )
) {
( $this->hasOption( 'from' ) && !$this->hasOption( 'to' ) ) ||
( !$this->hasOption( 'from' ) && $this->hasOption( 'to' ) )
) {