21. What will be the output of the following PHP code?
    

    <?php
    $num = array ("Zero","One", "Two", "Three", "Four","Five");
    $subset = array_slice ($num, 2);
    print_r ($subset);
    ?>
    

1. 1. Array
      (
          [0] => Two
          [1] => Three
      )
      

   
   
   

   2. Array
      (
          [0] => Two
          [2] => Four
          [3] => Five
      )
      

   
   
   

   3. Array
      (
          [2] => Four
          [3] => Five
      )
      

   
   
   

   4. Array
      (
          [0] => Two
          [1] => Three
          [2] => Four
          [3] => Five
      )
      

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   The array_slice() function returns a section of an array based on a starting and ending offset value.

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22. What will be the output of the following PHP code?
    

    <?php
    $num = array ("Zero","One", "Two", "Three", "Four","Five");
    $subset = array_splice ($num, 3);
    print_r ($subset);
    ?>
    

1. 1. Array
      (
          [0] => Three
          [1] => Four
          [2] => Five
      )
      

   
   
   

   2. Array
      (
          [0] => Three
          [1] => Four
          [2] => Five
          [3] => Zero
      )
      

   
   
   

   3. Error

   
   
   

   4. Nothing

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   The array_splice() function removes all elements of an array found within a specified range.

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23. What will be the output of the following PHP code?
    

    <?php
    $n = array ("16", "Interview Mania", 10, "4");
    echo (array_sum ($n));
    ?>
    

1. 1. 16

   
   
   

   2. 10

   
   
   

   3. 30

   
   
   

   4. Interview Mania

   
   
   

   5. 4

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The array_sum() function add all the values of the input array together, returning the final sum. If a string datatype is found, it’ll be ignored.

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