protected function filterSavings()
	{
		$this->savings = array_filter(
			$this->savings,
			function ($saving)
			{
				return ($saving >= $this->minSaving);
			}
		);
	}
protected function filterSavings()
	{
		$this->savings = array_filter(
			$this->savings,
			function ($saving)
			{
				return ($saving >= $this->minSaving);
			}
		);
	}
protected function filterSavings ( ) { $ this -> savings = array_filter ( $ this -> savings , function ( $ saving ) { return ( $ saving >= $ this -> minSaving ) ; } ) ; }
Filter the savings according to the minSaving property

@return void
Filter the savings according to the minSaving property