PHP ARRAYS QUIZ | EXAMIANS

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

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

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Option 3 and 4

Option 1 and 2

Option 1 and 4

Option 2 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following are correct ways of creating an array? 1. state[0] = “karnataka”; 2. $state[] = array(“karnataka”); 3. $state[0] = “karnataka”; 4. $state = array(“karnataka”);

2, 3 and 4

Only 1

2 and 3

3 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

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

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel"); print_r(array_chunk($cars, 2));

Array ( [0] => Array ( [1] => Volvo [2] => BMW ) [1] => Array ( [1] => Toyota [2] => Honda ) [2] => Array ( [1] => Mercedes [2] => Opel ) )

Array ( [0] => Array ( [0] => Volvo [1] => Volvo ) [1] => Array ( [0] => BMW [1] => BMW ) [2] => Array ( [0] => Toyota [1] => Toyota ) )

Array ( [0] => Array ( [0] => Volvo [1] => BMW ) [1] => Array ( [0] => Toyota [1] => Honda ) [2] => Array ( [0] => Mercedes [1] => Opel ) )

Array ( [1] => Array ( [1] => Volvo [2] => BMW ) [2] => Array ( [1] => Toyota [2] => Honda ) [3] => Array ( [1] => Mercedes [2] => Opel ) )

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $arr = array ("picture1.JPG", "picture2.jpg", "Picture10.jpg", "picture20.jpg"); sort($arr); print_r($arr);

Array ( [0] => Picture10.jpg [1] => picture1.JPG [2] => picture2.jpg [3] => picture20.jpg )

Array ( [0] => picture1.JPG [1] => picture2.jpg [2] => Picture10.jpg [3] => picture20.jpg )

Array ( [0] => Picture10.jpg [1] => picture1.JPG [2] => picture20.jpg [3] => picture2.jpg )

Array ( [0] => picture1.JPG [1] => Picture10.jpg [2] => picture2.jpg [3] => picture20.jpg )

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $face = array ("A", "J", "Q", "K"); $number = array ("2","3","4", "5", "6", "7", "8", "9", "10"); $cards = array_merge ($face, $number); print_r ($cards);

Array ( [0] => 2 [1] => 3 [2] => 4 [3] => 5 [4] => 6 [5] => 7 [6] => 8 [7] => 9 [8] => 10 [9] => A [10] => J [11] => Q [12] => K )

Error

Array ( [0] => A [1] => 2 [2] => J [3] => 3 [4] => Q [5] => 4 [6] => K [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 )

Array ( [0] => A [1] => J [2] => Q [3] => K [4] => 2 [5] => 3 [6] => 4 [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 )

TRUE ANSWER : ?
YOUR ANSWER : ?

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

orangeorange

appleapple

appleorange

orangebanana

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Error

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

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

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

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"); $result = array_diff($a1, $a2); print_r($result);

Array ( [c] => blue )

Array ( [d] => yellow )

Array ( [a] => red )

Array ( [e] => yellow )

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Which of the following are correct ways of creating an array?<br/>1. state[0] = “karnataka”;<br/>2. $state[] = array(“karnataka”);<br/>3. $state[0] = “karnataka”;<br/>4. $state = array(“karnataka”);

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

What will be the output of the following PHP code?<br/>$cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel");<br/>print_r(array_chunk($cars, 2));

What will be the output of the following PHP code?<br/>$arr = array ("picture1.JPG", "picture2.jpg", "Picture10.jpg", "picture20.jpg");<br/>sort($arr);<br/>print_r($arr);

What will be the output of the following PHP code?<br/>$face = array ("A", "J", "Q", "K");<br/>$number = array ("2","3","4", "5", "6", "7", "8", "9", "10");<br/>$cards = array_merge ($face, $number);<br/>print_r ($cards);

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

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 will be the output of the following PHP code?<br/>$a1 = array("a"=>"red", "b"=>"green", "c"=>"blue", "d"=>"yellow");<br/>$a2 = array("e"=>"red", "f"=>"green", "g"=>"blue");<br/>$result = array_diff($a1, $a2);<br/>print_r($result);