PHP Horde_Rdo_Mapper::exists Examples

exists() public method

Check if at least one object matches $query.

public exists ( mixed $query ) : boolean
$query	mixed	Either a primary key, an array of keys => values, or a Horde_Rdo_Query object.
return	boolean	True or false.

Example #1

File: List.php Project: jubinpatel/horde

 /**
  * Implementation of the offsetExists() method for ArrayAccess
  * This method is executed when using isset() or empty() on Horde_Rdo_List objects
  * @param integer $offset  The offset to check.
  *
  * @return boolean  Whether or not an offset exists.
  */
 public function offsetExists($offset)
 {
     $query = Horde_Rdo_Query::create($this->_query);
     $query->limit(1, $offset);
     return $this->_mapper->exists($query);
 }