code: protected function getFilterForLike($operation)
      {
          $this->parameter[]  = str_replace(array('*', '?'), array('%', '_'), $operation['value']);
          $this->procedures[] = sprintf('(%s LIKE ?)', $operation['property']);
  
          return $this;
      }
docs: Return the filter query for a "foo LIKE '%ba_r%'" filter.
  
  The searched value may contain the wildcards '*' and '?' which will get converted to proper SQL.
  
  @param array $operation The operation to apply.
  
  @return FilterBuilderSql