Which of the following statements is true about associative arrays in PHP?

What is the output of the following PHP code?
<?php
$colors = array('Red', 'Green', 'Blue');
echo $colors[1];
?

A). Red

B). Green

C). Blue

D). 1

What type of index do indexed arrays in PHP use?

A). String

B). Integer

C). Key-value pairs

D). Floating-point number

What will be the output of the following PHP code?
<?php
$arr1 = array('a', 'b', 'c');
$arr2 = array(1, 2, 3);
$result = array_merge($arr1, $arr2);
foreach ($result as $item) {
echo $item . ' ';
}
?

A). a b c 1 2 3

B). 1 2 3 a b c

C). a b c

D). 1 2 3

Which PHP function is used to sort an array in ascending order, maintaining the key-value pairs?

A). sort()

B). ksort()

C). asort()

D). rsort()

What is the purpose of the array_push() function in PHP?

A). To remove elements from an array

B). To add elements to the beginning of an array

C). To add elements to the end of an array

D). To reverse the order of elements in an array

What will be the output of the following PHP code?
<?php
$numbers = array(10, 20, 30, 40, 50);
array_pop($numbers);
foreach ($numbers as $number) {
echo $number . ' ';
}
?

A). 20 30 40 50

B). 10 20 30 40

C). 10 20 30 40

D). 10 20 30 40 50

What is the correct syntax for creating a multidimensional array in PHP?

A). $array = array(array(1, 2, 3), array(4, 5, 6), array(7, 8, 9));

B). $array = array([1, 2, 3], [4, 5, 6], [7, 8, 9]);

C). $array = array{1, 2, 3}, {4, 5, 6}, {7, 8, 9};

D). $array = array{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};

What will be the output of the following PHP code?
<?php
$arr = array(10, 20, 30, 40, 50);
$slice = array_slice($arr, 2);
foreach ($slice as $item) {
echo $item . ' ';
}
?

A). 10 20 30 40 50

B). 10 20

C). 30 40 50

D). 30 40 50

Which PHP function is used to remove the last element from an array?

A). remove()

B). pop()

C). delete()

D). unset()

What is the purpose of the array_key_exists() function in PHP?

A). To check if a specified key exists in an array

B). To check if a specified value exists in an array

C). To retrieve all keys from an array

D). To retrieve all values from an array