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

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

Which PHP function is used to determine the number of elements in an array?

A). size()

B). count()

C). length()

D). elements()

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}};

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

A). remove()

B). pop()

C). delete()

D). unset()

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

A). They only allow numeric indices

B). They store elements in a sequential order

C). They use key-value pairs to access elements

D). They cannot be accessed using loop constructs

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

What will be the output of the following PHP code?
<?php
$colors = array('Red', 'Green', 'Blue');
array_push($colors, 'Yellow', 'Orange');
foreach ($colors as $color) {
echo $color . ' ';
}
?

A). Red Green Blue Yellow Orange

B). Yellow Orange Red Green Blue

C). Green Blue Red Yellow Orange

D). Yellow Orange

What will be the output of the following PHP code?
<?php
$numbers = array(10, 20, 30, 40, 50);
echo count($numbers);
?

A). 10

B). 20

C). 5

D). 50

What is the correct way to access the first element of an indexed array in PHP?

A). $array[0]

B). $array[1]

C). $array['first']

D). $array['0']

What will be the output of the following PHP code?
<?php
$colors = array('Red' => 1, 'Green' => 2, 'Blue' => 3);
asort($colors);
foreach ($colors as $color => $value) {
echo '$color: $value ';
}
?

A). Red: 1 Green: 2 Blue: 3

B). 1: Red 2: Green 3: Blue

C). 1: Blue 2: Green 3: Red

D). Red: 3 Green: 2 Blue: 1