Php Arrays Test(1st) : Question 1 of 53

What will be the output of the following PHP code?

<?php
$fruits = array ("apple", "orange", "banana");
echo (next($fruits));	
echo (next($fruits));
?>

What will be the output of the following PHP code?

<?php
$fruits = array ("apple", "orange", "banana");
echo (next($fruits));	
echo (next($fruits));
?>

1 Mark(s)

orangeorange
appleorange
appleapple
orangebanana

What function computes the difference of arrays?

1 Mark(s)

diff_arrays
array_diff
arrays_diff
diff_array

What elements will the following script output?

<?php
$array = array (true => 'a', 1 => 'b');
var_dump ($array);
?>

What elements will the following script output?

<?php
$array = array (true => 'a', 1 => 'b');
var_dump ($array);
?>

1 Mark(s)

1 => 'b'
True => 'a', 1 => 'b'
None
0 => 'a', 1 => 'b'
It will output NULL

Which in-built function will add a value to the end of an array?

1 Mark(s)

array_unshift()
inend_array()
into_array()
array_push()

Which function can be used to move the pointer to the previous array position?

1 Mark(s)

previous()
before()
prev()
last()

What will be the output of the following PHP code ?

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

What will be the output of the following PHP code ?

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

1 Mark(s)

What will be the output of the following PHP code?

<?php
$array1 = array ("KA", "LA", "CA", "MA", "TA");
$array2 = array ("KA", "IA", "CA", "GA", "TA");
$inter = array_intersect ($array1, $array2);
print_r ($inter);
?>

What will be the output of the following PHP code?

<?php
$array1 = array ("KA", "LA", "CA", "MA", "TA");
$array2 = array ("KA", "IA", "CA", "GA", "TA");
$inter = array_intersect ($array1, $array2);
print_r ($inter);
?>

1 Mark(s)

Array ( [0] => KA [1] => LA [2] => CA [3] => MA [4] => TA [5] => IA [6] => GA )
Array ( [0] => KA [2] => CA [4] => TA )
Array ( [1] => LA [3] => MA )
Array ( [1] => IA [3] => GA )

Which array function checks if the specified key exists in the array?

1 Mark(s)

array_key_exists()
arrays_key_exists()
array_keys_exists()
array_key_exist()

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?

1 Mark(s)

sort()
krsort()
ksort()
usort()
asort()

What array will you get if you convert an object to an array?

1 Mark(s)

An array with properties of that array as the object's elements
An array with properties of that object as the array's elements
An array with keys of that object as the array's elements
An array with properties of that object as the Key elements

What will be the output of the following PHP code?

<?php
$place = array("NYC", "LA", "Paris");
array_pop($place);
$place1 = array("Paris");
$place = array_merge($place, $place1);
print_r($place);
?>

What will be the output of the following PHP code?

<?php
$place = array("NYC", "LA", "Paris");
array_pop($place);
$place1 = array("Paris");
$place = array_merge($place, $place1);
print_r($place);
?>

1 Mark(s)

Array ( [0] => LA [1] => Paris [2] => Paris )
Array ( [0] => NYC [1] => LA [2] => Paris)
None of the mentioned
Array ( [0] => NYC [1] => LA [2] => Paris [3] => Paris )

What will be the output of the following PHP code?

<?php
$names = array("Sam", "Bob", "Jack");
echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".";
?>

What will be the output of the following PHP code?

<?php
$names = array("Sam", "Bob", "Jack");
echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".";
?>

1 Mark(s)

Sam is the brother of Jack and Bob)
Sam is the brother of Bob and Bob)
Sam is the brother of Bob and Jack
Error

What will be the output of the following PHP code?

<?php
$fruits = array ("mango", "apple", "peach", "pear");
$fruits = asort ($fruits);
printr ($fruits);
?>

What will be the output of the following PHP code?

<?php
$fruits = array ("mango", "apple", "peach", "pear");
$fruits = asort ($fruits);
printr ($fruits);
?>

1 Mark(s)

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

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

1 Mark(s)

count_values()
count()
array_count_values()
array_count()

What will be the output of the following php code?

<?php
$states = array("karnataka" => array( "population" => "11,35,000", "captial" => "Bangalore"),"Tamil Nadu" => array( "population" => "17,90,000","captial" => "Chennai") );
echo $states["karnataka"]["population"];
?>

What will be the output of the following php code?

<?php
$states = array("karnataka" => array( "population" => "11,35,000", "captial" => "Bangalore"),"Tamil Nadu" => array( "population" => "17,90,000","captial" => "Chennai") );
echo $states["karnataka"]["population"];
?>

1 Mark(s)

population 11,35,000
11,35,000
karnataka 11,35,000
karnataka population

What will be the output of the following PHP code?

<?php
$cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel");
print_r(array_chunk($cars, 2));
?>

What will be the output of the following PHP code?

<?php
$cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel");
print_r(array_chunk($cars, 2));
?>

1 Mark(s)

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

What will be the output of the following PHP code?

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

What will be the output of the following PHP code?

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

1 Mark(s)

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

What will the following script output?

1 Mark(s)

NULL
5
19
78

What will be the output of the following PHP code?

<?php
$a = array("a"=>"red", "b"=>"green", "c"=>"blue");
echo array_shift($a);
print_r ($a);
?>

What will be the output of the following PHP code?

<?php
$a = array("a"=>"red", "b"=>"green", "c"=>"blue");
echo array_shift($a);
print_r ($a);
?>

1 Mark(s)

red
none of the mentioned
blue
green

What will be the output of the following PHP code?

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

What will be the output of the following PHP code?

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

1 Mark(s)

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

What will be the output of the following PHP code ?

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

What will be the output of the following PHP code ?

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

1 Mark(s)

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

What will be the output of the following PHP code?

<?php
$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);
?>

What will be the output of the following PHP code?

<?php
$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);
?>

1 Mark(s)

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

What will be the output of the following PHP code?

<?php
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
print_r(array_merge($a1, $a2));
?>

What will be the output of the following PHP code?

<?php
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
print_r(array_merge($a1, $a2));
?>

1 Mark(s)

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

What will be the output of the following PHP code?

<?php
$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);
?>

What will be the output of the following PHP code?

<?php
$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);
?>

1 Mark(s)

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] => J [2] => Q [3] => K [4] => 2 [5] => 3 [6] => 4 [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 )
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 )

What will be the output of the following PHP code ?

<?php
$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");
$a2 = array("e" => "red","f" => "green", "g" => "blue");
$result = array_intersect($a1, $a2);
print_r($result);
?>

What will be the output of the following PHP code ?

<?php
$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");
$a2 = array("e" => "red","f" => "green", "g" => "blue");
$result = array_intersect($a1, $a2);
print_r($result);
?>

1 Mark(s)

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

What will be the output of the following PHP code?

<?php
$fruits = array ("apple", "orange", array ("pear", "mango"), "banana");
echo (count($fruits, 1));
?>

What will be the output of the following PHP code?

<?php
$fruits = array ("apple", "orange", array ("pear", "mango"), "banana");
echo (count($fruits, 1));
?>

1 Mark(s)

What will be the output of the following PHP code ?

<?php
$a = array(12, 5, 2);
echo(array_product($a));
?>

What will be the output of the following PHP code ?

<?php
$a = array(12, 5, 2);
echo(array_product($a));
?>

1 Mark(s)

What will be the output of the following PHP code?

<?php
$a=array("A","Cat","Dog","A","Dog");
$b=array("A","A","Cat","A","Tiger");
$c=array_combine($a,$b);
print_r(array_count_values($c));
?>

What will be the output of the following PHP code?

<?php
$a=array("A","Cat","Dog","A","Dog");
$b=array("A","A","Cat","A","Tiger");
$c=array_combine($a,$b);
print_r(array_count_values($c));
?>

1 Mark(s)

Array ( [A] => 2 [Cat] => 2 [Dog] => 1 [Tiger] => 1 )
Array ( [A] => 2 [Cat] => 1 [Dog] => 4 [Tiger] => 1 )
Array ( [A] => 6 [Cat] => 1 [Dog] => 2 [Tiger] => 1 )
Array ( [A] => 5 [Cat] => 2 [Dog] => 2 [Tiger] => 1 )

What will be the output of the following PHP code ?

<?php
$people = array("Peter", "Susan", "Edmund", "Lucy");
echo pos($people);
?>

What will be the output of the following PHP code ?

<?php
$people = array("Peter", "Susan", "Edmund", "Lucy");
echo pos($people);
?>

1 Mark(s)

Lucy
Edmund
Peter
Susan

Which function will return true if a variable is an array or false if it is not?

1 Mark(s)

is_array()
this_array()
in_array()
do_array()

What will be the output of the following PHP code?

<?php
$number = array ("4", "hello", 2);
echo (array_sum ($number));
?>

What will be the output of the following PHP code?

<?php
$number = array ("4", "hello", 2);
echo (array_sum ($number));
?>

1 Mark(s)

4hello2
4
6
2

Absent any actual need for choosing one method over the other, does passing arrays by value to a read-only function reduce performance compared to passing them by reference?

1 Mark(s)

Yes, but only if the array is large.
Yes, but only if the function modifies the contents of the array.
Yes, because the interpreter must always create a copy of the array before passing it to the function.
No
Yes, because PHP must monitor the execution of the function to determine if changes are made to the array.

What will be the output of the following PHP code?

<?php
$a = array("red", "green", "blue");
array_pop($a);
print_r($a);
?>

What will be the output of the following PHP code?

<?php
$a = array("red", "green", "blue");
array_pop($a);
print_r($a);
?>

1 Mark(s)

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

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”);

1 Mark(s)

Only 1
2, 3 and 4
3 and 4
2 and 3

There are three different kind of arrays:

1 Mark(s)

Numeric array, String array, Multidimensional array
Numeric array, Associative array, Dimensional array
Numeric array, Associative array, Multidimensional array
Const array, Associative array, Multidimensional array

What will be the output of the following PHP code?

<?php
$arr = array ("picture1.JPG", "picture2.jpg", "Picture10.jpg", "picture20.jpg");
sort($arr);
print_r($arr);
?>

What will be the output of the following PHP code?

<?php
$arr = array ("picture1.JPG", "picture2.jpg", "Picture10.jpg", "picture20.jpg");
sort($arr);
print_r($arr);
?>

1 Mark(s)

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

What will be the output of the following PHP code ?

<?php
$age = array("Harry" => "21", "Ron" => "23","Malfoy" => "21");
array_change_key_case($age, CASE_UPPER);
array_pop($age);
print_r($age);
?>

What will be the output of the following PHP code ?

<?php
$age = array("Harry" => "21", "Ron" => "23","Malfoy" => "21");
array_change_key_case($age, CASE_UPPER);
array_pop($age);
print_r($age);
?>

1 Mark(s)

Array ( [HARRY] => 21 [RON] => 23 [MALFOY] => 21 )
Array ( [HARRY] => 21 [RON] => 23 )
Array ( [Harry] => 21 [Ron] => 23 [Malfoy] => 21 )
Array ( [Harry] => 21 [Ron] => 23 )

What will be the output of the following PHP code?

<?php
$state = array ("Karnataka", "Goa", "Tamil Nadu", "Andhra Pradesh");
echo (array_search ("Tamil Nadu", $state) );
?>

What will be the output of the following PHP code?

<?php
$state = array ("Karnataka", "Goa", "Tamil Nadu", "Andhra Pradesh");
echo (array_search ("Tamil Nadu", $state) );
?>

1 Mark(s)

1
True
2
False

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

1 Mark(s)

Option 1 and 4
Option 1 and 2
Option 3 and 4
Option 2 and 4

What will be the output of the following PHP code?

<?php
$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);
?>

What will be the output of the following PHP code?

<?php
$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);
?>

1 Mark(s)

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

What will be the output of the following PHP code ?

<?php
$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");
$result = array_flip($a1);
print_r($result);
?>

What will be the output of the following PHP code ?

<?php
$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");
$result = array_flip($a1);
print_r($result);
?>

1 Mark(s)

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

What will be the output of the following PHP code?

<?php
$fruits = array ("apple", "mango", "peach", "pear", "orange");
$subset = array_slice ($fruits, 2);
print_r ($subset);
?>

What will be the output of the following PHP code?

<?php
$fruits = array ("apple", "mango", "peach", "pear", "orange");
$subset = array_slice ($fruits, 2);
print_r ($subset);
?>

1 Mark(s)

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

What will be the output of the following PHP code?

<?php
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
$a3 = array_merge($a1, $a2);
$a4 = array("a", "b", "c", "d");
$a = array_combine($a4, $a3);
print_r($a);
?>

What will be the output of the following PHP code?

<?php
$a1 = array("red", "green");
$a2 = array("blue", "yellow");
$a3 = array_merge($a1, $a2);
$a4 = array("a", "b", "c", "d");
$a = array_combine($a4, $a3);
print_r($a);
?>

1 Mark(s)

Array ( [0] => blue [1] => yellow [2] => red [3] => green )
Array ( [a] => red [b] => green [c] => blue [d] => yellow )
Array ( [a] => blue [b] => yellow [c] => red [d] => green )
Array ( [0] => red [1] => green [2] => blue [3] => yellow )

What will be the output of the following PHP code?

<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
print_r(array_change_key_case($age, CASE_UPPER));
?>

What will be the output of the following PHP code?

<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
print_r(array_change_key_case($age, CASE_UPPER));
?>

1 Mark(s)

Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
Array ( [peter] => 35 [ben] => 37 [joe] => 43 )
Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )
Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )

What will be the output of the following PHP code?

<?php
$names = array("Sam", "Bob", "Jack");
echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;
?>

What will be the output of the following PHP code?

<?php
$names = array("Sam", "Bob", "Jack");
echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;
?>

1 Mark(s)

Error
$brother
Sam is the brother of Bob and Bob)
Sam is the brother of Bob and Bob) $brother

What will be the output of the following PHP code?

<?php
$fruits = array ("mango", "apple", "pear", "peach");
$fruits = array_flip($fruits);
echo ($fruits[0]);
?>

What will be the output of the following PHP code?

<?php
$fruits = array ("mango", "apple", "pear", "peach");
$fruits = array_flip($fruits);
echo ($fruits[0]);
?>

1 Mark(s)

0
mango
error
peach

What will be the output of the following PHP code ?

<?php
$number = range(0, 5);
print_r ($number);
?>

What will be the output of the following PHP code ?

<?php
$number = range(0, 5);
print_r ($number);
?>

1 Mark(s)

Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 )
Array ( [0] => 0 [5] => 5 )
Array ( [0] => 5 [1] => 5 [2] => 5 [3] => 5 [4] => 5 [5] => 5 )
Array ( [0] => 0 [1] => 0 [2] => 0 [3] => 0 [4] => 0 [5] => 0 )

What will be the output of the following PHP code?

<?php
$cars = array("Volvo", "BMW", "Toyota");
echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";
?>

What will be the output of the following PHP code?

<?php
$cars = array("Volvo", "BMW", "Toyota");
echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";
?>

1 Mark(s)

I like Toyota, BMW and Volvo
I like Volvo, Toyota and BMW
I like Volvo, BMW and Toyota
I like BMW, Volvo and Toyota

PHP’s numerically indexed array begin with position ______.

1 Mark(s)

0
-1
2
1

What will be the output of the following PHP code?

<?php
$fruits = array ("apple", "mango", "peach", "pear", "orange");
$subset = array_splice ($fruits, 2);
print_r ($fruits);
?>

What will be the output of the following PHP code?

<?php
$fruits = array ("apple", "mango", "peach", "pear", "orange");
$subset = array_splice ($fruits, 2);
print_r ($fruits);
?>

1 Mark(s)

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

What will be the output of the following PHP code?

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

What will be the output of the following PHP code?

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

1 Mark(s)

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

Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.

1 Mark(s)

Float, string
String, Boolean
Integer, string
Positive number, negative number
Even number, string

What will be the output of the following PHP code ?

<?php
$city_west = array("NYC", "London");
$city_east = array("Mumbai", "Beijing");
print_r(array_replace($city_west, $city_east));
?>

What will be the output of the following PHP code ?

<?php
$city_west = array("NYC", "London");
$city_east = array("Mumbai", "Beijing");
print_r(array_replace($city_west, $city_east));
?>

1 Mark(s)

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