PHP

Arrays in PHP MCQ

⛪ Programming Language > PHP

This is the MCQ questions and answers section on "PHP Arrays" with the explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand. ➲ Arrays in PHP MCQ - Quiz

Q 1: PHP

  • A 1
  • B 2
  • C 0
  • D -1

Q 2: Which of the functions is used to sort an array in descending order?

  • A sort()
  • B asort()
  • C rsort()
  • D dsort()

Q 3: Which of the following are correct ways of creating an array?
(i) state[0] = "karnataka";
(ii) $state[] = array("karnataka");
(iii) $state[0] = "karnataka";
(iv) $state = array("karnataka");

  • A (iii) and (iv)
  • B (ii) and (iii)
  • C Only (i)
  • D (ii), (iii) and (iv)

Q 4: What will be the output of the following PHP code? 
< ?php 
    $fruits = array ("mango", "apple", "pear", "peach");
    $fruits = array_flip($fruits);
    echo ($fruits[0]);
?>

  • A mango
  • B Error
  • C peach
  • D 0

Q 5: What will be the output of the following php code? 
< ?php 
    $states = array("karnataka" => array
    ( "population" => "11,35,000", "captial" => "Bangalore"),
    "Tamil Nadu" => array( "population" => "17,90,000",
    "captial" => "Chennai") );
    echo  $states["karnataka"]["population"];
?>

  • A karnataka 11,35,000
  • B 11,35,000
  • C population 11,35,000
  • D karnataka population

Q 6: Which function can be used to move the pointer to the previous array position?

  • A last()
  • B before()
  • C prev()
  • D previous()

Q 7: What will be the output of the following PHP code? 
< ?php 
    $fruits = array ("apple", "orange", "banana");
    echo (next($fruits));	
    echo (next($fruits));
?>

  • A orangebanana
  • B appleorange
  • C orangeorange
  • D appleapple

Q 8: What will be the output of the following PHP code? 
< ?php 
    $state = array ("Karnataka", "Goa", "Tamil Nadu",
    "Andhra Pradesh");
    echo (array_search ("Tamil Nadu", $state) );
?>

  • A True
  • B 1
  • C False
  • D 2

Q 9: Which in-built function will add a value to the end of an array?

  • A array_unshift()
  • B into_array()
  • C inend_array()
  • D array_push()

Q 10: Which function will return true if a variable is an array or false if it is not?

  • A this_array()
  • B is_array()
  • C do_array()
  • D in_array()

Q 11: What will be the output of the following PHP code? 
< ?php 
    $fruits = array ("apple", "orange", array ("pear", "mango"),
    "banana");
    echo (count($fruits, 1));
?>

  • A 3
  • B 4
  • C 5
  • D 6

Q 12: Which function returns an array consisting of associative key/value pairs?

  • A count()
  • B array_count()
  • C array_count_values()
  • D count_values()

Q 13: Say in the above question you need to get the array sorted in the manner we humans would have done it i.e picture1 then picture2 etc.. Which of the following function should be used?

  • A dsort()
  • B casesort()
  • C natcasesort()
  • D naturalsort()

Q 14: What will be the output of the following PHP code? 
< ?php 
    $fruits = array ("apple", "mango", "peach", "pear",
    "orange");
    $subset = array_slice ($fruits, 2);
    print_r ($subset);
?>

  • A Array ( [0] => peach )
  • B Array ( [0] => apple [1] => mango [2] => peach )
  • C Array ( [0] => apple [1] => mango )
  • D Array ( [0] => peach [1] => pear [2] => orange )

Q 15: What will be the output of the following PHP code? 
< ?php 
    $fruits = array ("apple", "mango", "peach", "pear",
    "orange");
    $subset = array_splice ($fruits, 2);
    print_r ($fruits);
?>

  • A Error
  • B Array ( [0] => apple [1] => mango [2] => peach )
  • C Array ( [0] => apple [1] => mango )
  • D Array ( [0] => pear [1] => orange )

Q 16: What will be the output of the following PHP code? 
< ?php 
    $number = array ("4", "hello", 2);
    echo (array_sum ($number));
?>

  • A 4hello2
  • B 4
  • C 2
  • D 6