PHP ARRAYS QUIZ | EXAMIANS

What will be the output of the following PHP code? $fruits = array ("mango", "apple", "peach", "pear"); $fruits = asort ($fruits); printr ($fruits);

Array ( [0] => apple [1] => mango [2] => peach [3] => pear )

Array ( [1] => apple [0] => mango [2] => peach [3] => pear )

Error

Array ( [1] => apple [0] => mango [3] => peach [2] => pear )

TRUE ANSWER : ?
YOUR ANSWER : ?

What functions count elements in an array? 1. count 2. Sizeof 3. Array_Count 4. Count_array

Option 1 and 4

Option 3 and 4

Option 2 and 4

Option 1 and 2

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow"); $a2 = array("e" => "red", "f" => "green", "g" => "blue", "h" => "orange"); $a3 = array("i" => "orange"); $a4 = array_combine($a2, $a3); $result = array_diff($a4, $a2); print_r($result);

Array ( [d] => yellow [h] => orange )

Array ( [d] => yellow )

Array ( [i] => orange )

Array ( [h] => orange )

TRUE ANSWER : ?
YOUR ANSWER : ?

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;

NULL

78

19

5

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $fname = array("Peter", "Ben", "Joe"); $age = array("35", "37", "43"); $c = array_combine($fname, $age); print_r($c);

Array ( Peter Ben Joe )

Array ( 35 37 43 )

Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )

Array ( “[Peter] => 35” “[Ben] => 37” “[Joe] => 43” )

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 BMW, Volvo and Toyota

I like Volvo, BMW and Toyota

I like Volvo, Toyota and BMW

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

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

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Assume you would like to sort an array in ascending order by value while preserving key associations. Which of the following PHP sorting functions would you use?

ksort()

usort()

krsort()

sort()

asort()

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Susan

Lucy

Peter

Edmund

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code ? $a = array("a" => "Jaguar", "b" => "Land Rover", "c" => "Audi", "d" => "Maseratti"); echo array_search("Audi", $a);

c

a

d

b

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code?<br/>$fruits = array ("mango", "apple", "peach", "pear");<br/>$fruits = asort ($fruits);<br/>printr ($fruits);

What functions count elements in an array?<br/>1. count<br/>2. Sizeof<br/>3. Array_Count<br/>4. Count_array

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/>$fname = array("Peter", "Ben", "Joe");<br/>$age = array("35", "37", "43");<br/>$c = array_combine($fname, $age);<br/>print_r($c);

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/>$array = array("red", "green");<br/>array_push($array, "blue", "yellow");<br/>print_r($array);

Assume you would like to sort an array in ascending order by value while preserving key associations. Which of the following PHP sorting functions would you use?

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/>$a = array("a" => "Jaguar", "b" => "Land Rover", "c" => "Audi", "d" => "Maseratti");<br/>echo array_search("Audi", $a);