<?php
$matrix = array(
array(1, 2, 3),
array(4, 5, 6),
array(7, 8, 9)
);
echo $matrix[1][2];
?
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 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 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 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
What will be the output of the following PHP code?<?php
$person = array('name' => 'John', 'age' => 30, 'city' => 'New York');
echo $person['age'];
?
A). name: John
B). age: 30
C). city: New York
D). John
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
Which PHP function is used to extract a slice of an array?
A). splice()
B). slice()
C). extract()
D). split()
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
$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