1 <?php
 2 /**
 3  * Selects numerical/date content smaller than the input
 4  *
 5  * @todo documentation
 6  * 
 7  * @package sapphire
 8  * @subpackage search
 9  */
10 class LessThanFilter extends SearchFilter {
11     
12     /**
13      * @return $query
14      */
15     public function apply(SQLQuery $query) {
16         $query = $this->applyRelation($query);
17         return $query->where(sprintf(
18             "%s < '%s'",
19             $this->getDbName(),
20             Convert::raw2sql($this->getDbFormattedValue())
21         ));
22     }
23     
24     public function isEmpty() {
25         return $this->getValue() == null || $this->getValue() == '';
26     }
27 }
28 ?>