PHP ARRAYS QUIZ | EXAMIANS

What will the following script output? $array = array (1, 2, 3, 5, 8, 13, 21, 34, 55); $sum = 0; for ($i = 0; $i < 5; $i++) { $sum += $array[$array[$i]]; } echo $sum;

5

NULL

19

78

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $cars = array("Volvo", "BMW", "Toyota"); echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";

I like Toyota, BMW and Volvo

I like Volvo, BMW and Toyota

I like BMW, Volvo and Toyota

I like Volvo, Toyota and BMW

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

Array ( [0] => apple [1] => mango [2] => peach )

Array ( [0] => apple [1] => mango )

Array ( [0] => peach [1] => pear [2] => orange )

Array ( [0] => peach )

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What will be the output of the following PHP code ? $a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow"); $result = array_flip($a1); print_r($result);

Array ( [a] => a [b] => b [c] => c [d] => d )

Array ( [red] => red [green] => green [blue] => blue [yellow] => yellow )

Array ( [red] => a [green] => b [blue] => c [yellow] => d )

Array ( [a] => red [b] => green [c] => blue [d] => yellow )

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What will be the output of the following PHP code ? $city_west = array("NYC", "London"); $city_east = array("Mumbai", "Beijing"); print_r(array_replace($city_west, $city_east));

Array ( [1] => NYC [0] => London )

Array ( [0] => Mumbai [1] => Beijing )

Array ( [0] => NYC [1] => London )

Array ( [1] => Mumbai [0] => Beijing )

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What will be the output of the following PHP code? $names = array("Sam", "Bob", "Jack"); echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;

Sam is the brother of Bob and Bob) $brother

Error

Sam is the brother of Bob and Bob)

$brother

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

4hello2

2

4

6

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What will be the output of the following PHP code ? $people = array("Peter", "Susan", "Edmund", "Lucy"); echo pos($people);

Susan

Lucy

Edmund

Peter

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What function computes the difference of arrays?

diff_arrays

diff_array

array_diff

arrays_diff

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What will be the output of the following PHP code? $a = array("A", "Cat", "Dog", "A", "Dog"); print_r(array_count_values($a));

Array ( [A] => 2 [Cat] => 2 [Dog] => 1 )

Array ( [A] => 2 [Cat] => 1 [Dog] => 1)

Array ( [A] => 1 [Cat] => 1 [Dog] => 2 )

Array ( [A] => 2 [Cat] => 1 [Dog] => 2 )

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What will the following script output?<br/>$array = array (1, 2, 3, 5, 8, 13, 21, 34, 55);<br/>$sum = 0;<br/>for ($i = 0; $i < 5; $i++) {<br/>$sum += $array[$array[$i]];<br/>}<br/>echo $sum;

What will be the output of the following PHP code?<br/>$cars = array("Volvo", "BMW", "Toyota");<br/>echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";

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

What will be the output of the following PHP code ?<br/>$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");<br/>$result = array_flip($a1);<br/>print_r($result);

What will be the output of the following PHP code ?<br/>$city_west = array("NYC", "London");<br/>$city_east = array("Mumbai", "Beijing");<br/>print_r(array_replace($city_west, $city_east));

What will be the output of the following PHP code?<br/>$names = array("Sam", "Bob", "Jack");<br/>echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;

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

What will be the output of the following PHP code ?<br/>$people = array("Peter", "Susan", "Edmund", "Lucy");<br/>echo pos($people);

What function computes the difference of arrays?

What will be the output of the following PHP code?<br/>$a = array("A", "Cat", "Dog", "A", "Dog");<br/>print_r(array_count_values($a));