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

    <?php
    $Student = array("Ajit", "Rahul", "Ats", "Aju");
    echo pos($Student);
    ?>
    

1. 1. Ajit

   
   
   

   2. Rahul

   
   
   

   3. Ats

   
   
   

   4. Aju

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   The pos() function returns the value of the current element in an array, and since no operation has been done, the current element is the first element.

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

    <?php
    $num = range(0, 6);
    print_r ($num);
    ?>
    

1. 1. Array
      (
          [0] => 0
          [1] => 1
          [2] => 2
          [3] => 3
          [4] => 4
          [5] => 5
          [6] => 6
      )
      

   
   
   

   2. Array
      (
          [0] => 0
          [1] => 1
          [2] => 2
          [3] => 3
          [4] => 4
          [5] => 5
      )
      

   
   
   

   3. Array
      (
          [0] => 0
          [1] => 1
          [2] => 2
          [3] => 3
          [4] => 4
      )
      

   
   
   

   4. Array
      (
          [0] => 0
          [1] => 1
          [2] => 2
          [3] => 3
      )
      

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   The range() function creates an array containing a range of elements.

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

    <?php
    $City1 = array ("Noida", "Delhi", "Chennai", "Greenville", "Branford");
    $City2 = array ("Chennai", "Derby", "Enfield", "Delhi", "Greenville");
    $inter = array_intersect ($City1, $City2);
    print_r ($inter);
    ?>
    

1. 1. Array
      (
          [1] => Delhi
          [2] => Chennai
          [3] => Greenville
         [4] => Branford
      )
      

   
   
   

   2. Array
      (
          [2] => Chennai
          [3] => Greenville
      )
      

   
   
   

   3. Array
      (
          [1] => Delhi
          [2] => Noida
          [3] => Chennai
          [4] => Greenville
      )
      

   
   
   

   4. Array
      (
          [1] => Delhi
          [2] => Chennai
          [3] => Greenville
      )
      

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   The array_intersect() function returns a key preserved array consisting only of those values present in the first array that are also present in each of the other input arrays.

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

    <?php
    $Str = array("Ajit" => "23", "Ats" => "21", "Aju" => "22");
    ksort($Str);
    foreach($Str as $s => $s_value)
    {
        echo "Key=" . $s . ", Value=" . $s_value;
        echo "\n";
    }
    ?>
    

1. 1. Error

   
   
   

   2. Nothing

   
   
   

   3. Key=Ajit, Value=23
      Key=Aju, Value=22
      Key=Ats, Value=21

   
   
   

   4. Key=Ajit, Value=23
      Key=Ats, Value=21
      Key=Aju, Value=22

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The ksort() function sorts an associative array in ascending order, according to the key.

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

    <?php
    $Name = array ("Neha", "Ajit", "Rahul", "Ats");
    $Name = array_flip($Name);
    echo ($Name[0]);
    ?>
    

1. 1. Error

   
   
   

   2. Nothing

   
   
   

   3. Neha

   
   
   

   4. Rahul

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   As we are flipping the values, $Name [“Neha”] = 0, $Name [“Ajit”] = 1 and so on.

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