values() public méthode

public values ( )
 /**
  * @testdox values should return conditions' values
  */
 public function testValuesShouldReturnConditionsValues()
 {
     $query = new ValueParser(array('a' => 0));
     $expected = array(0);
     $actual = $query->values();
     $this->assertEquals($expected, $actual);
 }
 public function delete($params)
 {
     $params += $this->params;
     $query = new ValueParser($params['conditions']);
     $params['conditions'] = $query->conditions();
     $values = $query->values();
     $sql = $this->renderDelete($params);
     $query = $this->query($sql, $values);
     return $query;
 }