11. Which method enables you to calculate whether daylight saving time is in force at a specific date and time?

1. 1. savingTime()

   
   
   

   2. ISODate()

   
   
   

   3. getOffset()

   
   
   

   4. getTranitions()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   This outputs a multidimensional array listing past and future changes to the offset from UTC for a DateTimeZone object.

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12. How many methods does the DateTime class have?

1. 1. 11

   
   
   

   2. 10

   
   
   

   3. 9

   
   
   

   4. 8

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The DateTime class has nine methods, all of which are public.

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13. How many constants does the DateTime class have?

1. 1. 11

   
   
   

   2. 10

   
   
   

   3. 9

   
   
   

   4. 8

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   The DateTime class has 11 constants, no static properties or methods.

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14. Which method is simply an object-oriented version of date()?

1. 1. DateTime::setDate()

   
   
   

   2. DateTime::setTime()

   
   
   

   3. DateTime::format()

   
   
   

   4. DateTime::modify()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The format() method is simply an object-oriented version of date(). It takes $dateFormat as an argument. $dateFormat is a string consisting of the same date formatting characters accepted by the procedural date() function.

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15. Which of the following is the right way to use the DateTime class?

1. 1. $date = new class DateTime();

   
   
   

   2. $date = new DateTime();

   
   
   

   3. $date = class DateTime;

   
   
   

   4. $date = get_Class(DateTime);

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   he way you use the DateTime class is like any other class: instantiate an object, and store it in a variable.

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