PHP Array MCQs

This section focuses on "Array" in PHP. These Multiple Choice Questions (mcq) should be practiced to improve the PHP skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. How many types of array are available in php?

A. 1
B. 2
C. 3
D. 4

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2. By default, the index of array in php starts from ______?

A. 0
B. 1
C. -1
D. 2

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3. A ________ is an array with more than two dimensions.

A. single dimensional array
B. multi dimensional array
C. Both A and B
D. None of the above

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4. Which of the following are correct ways of creating an array?
i) arr[0] = "letsfindcourse";
ii) $arr[] = array("letsfindcourse");
iii) $arr[0] = "letsfindcourse";
iv) $arr = array("letsfindcourse");

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

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5. 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()

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6. Which function returns an array consisting of associative key/value pairs?

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

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

<?php
    $arr = array ("lets", "find", "course", ".Com");
    echo (array_search (".com", $arr) );
?>

A. 0
B. Garbage value
C. 3
D. No Output

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8. As compared to associative arrays vector arrays are much

A. Faster
B. Slower
C. Stable
D. None of the above

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9. What is the output of the following php code?

<?php
 $alphabet = array ("A", "B", "C");
 echo (next($alphabet));
 ?>

A. A
B. B
C. C
D. Error

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10. What is the output of the following php code?

<?php
 $alphabet  = array("A" => array
 ( "php" => "php 7.0", "date" => "3 December 2019"),
 "B" => array( "python" => "python 3.8.2",
 "date" => "24 December 2019") );
 echo $alphabet ["A"]["date"];
 ?>

A. php 7.0
B. 3 December 2019
C. python 3.8.2
D. 24 December 2019

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