&lt;?phpclass Constants&#123;    define&#40;'MIN_VALUE', '0.0'&#41;;      define&#40;'MAX_VALUE', '1.0'&#41;;      public static function getMinValue&#40;&#41;    &#123;        return self::MIN_VALUE;    &#125;    public static function getMaxValue&#40;&#41;    &#123;        return self::MAX_VALUE;    &#125;&#125;echo Constants::getMinValue&#40;&#41;;echo Constants::getMaxValue&#40;&#41;;?&gt;
A. 0.01.0
B. 01
C. no output
D. ERROR
Answer:A
&lt;?phpclass Constants&#123;    define&#40;'MIN_VALUE', '0.0'&#41;;      define&#40;'MAX_VALUE', '1.0'&#41;;      public static function getMinValue&#40;&#41;    &#123;        return self::MIN_VALUE;    &#125;    public static function getMaxValue&#40;&#41;    &#123;        return self::MAX_VALUE;    &#125;&#125;echo Constants::getMinValue&#40;&#41;;echo Constants::getMaxValue&#40;&#41;;?&gt;
A. 0.01.0 B. 01 C. no output D. ERROR
Explanation: In a class constants should be defined const MIN_VALUE = 0.0;const MAX_VALUE = 1.0; instead.