PHP ARRAYS QUIZ | EXAMIANS

What will be the output of the following PHP code ? $a = array(12, 5, 2); echo(array_product($a));

024

010

060

120

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

Error

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

What elements will the following script output? $array = array (true => 'a', 1 => 'b'); var_dump ($array);

1 => 'b'

It will output NULL

None

True => 'a', 1 => 'b'

TRUE ANSWER : ?
YOUR ANSWER : ?

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

count_values()

count()

array_count()

array_count_values()

TRUE ANSWER : ?
YOUR ANSWER : ?

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

5

4

3

6

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $a1 = array("red", "green"); $a2 = array("blue", "yellow"); print_r(array_merge($a1, $a2));

Array ( [0] => red [1] => green)

Array ( [0] => red [1] => green [2] => blue [3] => yellow )

Array ( [0] => blue [1] => yellow [2] => red [3] => green )

Array ( [0] => blue [1] => yellow )

TRUE ANSWER : ?
YOUR ANSWER : ?

What function computes the difference of arrays?

arrays_diff

diff_arrays

diff_array

array_diff

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Susan

Edmund

Peter

Lucy

TRUE ANSWER : ?
YOUR ANSWER : ?

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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] => 1 [Dog] => 1)

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

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ?<br/>$a = array(12, 5, 2);<br/>echo(array_product($a));

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

What elements will the following script output?<br/>$array = array (true => 'a', 1 => 'b');<br/>var_dump ($array);

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

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

What will be the output of the following PHP code?<br/>$a1 = array("red", "green");<br/>$a2 = array("blue", "yellow");<br/>print_r(array_merge($a1, $a2));

What function computes the difference of arrays?

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

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/>$a = array("A", "Cat", "Dog", "A", "Dog");<br/>print_r(array_count_values($a));