*/ class Range { public $first; public $last; /** * Initialize range * * @param integer|float $first * @param integer|float $last */ public function __construct($first, $last) { $this->first = $first; $this->last = $last; } /** * Test for inclusion in range * * @param integer|float $value * * @return boolean */ public function includes($value) { return $value >= $this->first && $value <= $this->last; } }