Which PHP function is used to remove the last element from an array?
A). remove()
B). pop()
C). delete()
D). unset()
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 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
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 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
$numbers = array(10, 20, 30, 40, 50);
echo count($numbers);
?
A). 10
B). 20
C). 5
D). 50
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 will be the output of the following PHP code?<?php
$info = array('name' => 'John', 'age' => 30, 'city' => 'New York');
echo array_key_exists('age', $info) ? 'Yes' : 'No';
?
A). Yes
B). No
C). John
D). 30
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
$info = array('name' => 'Alice', 'age' => 25);
echo count($info);
?
A). 1
B). 2
C). 25
D). Alice