Answer & Solution
$x with the value 5 and then adds 3 to it using the += operator. Therefore, after execution, $x will have the value 8, as 5 + 3 equals 8.
$x after the following PHP code is executed?<?php
$x = 5;
$x += 3;
echo $x;
?>
$x with the value 5 and then adds 3 to it using the += operator. Therefore, after execution, $x will have the value 8, as 5 + 3 equals 8.
What data type is the variable $age = 25; in PHP?
A). Integer
B). String
C). Boolean
D). Float
What will be the output of the following PHP code?<?php
$x = 10;
echo ++$x;
?>
A). 10
B). 11
C). 9
D). Error
What will be the output of the following PHP code?<?php
$x = 10;
$y = 5;
echo $x + $y;
?>
A). 15
B). 5
C). 10
D). Error
What is the correct way to declare a variable in PHP?
A). $name = 'John';
B). name = 'John';
C). var name = 'John';
D). String name = 'John';
What will be the result of the expression 10 % 3 in PHP?
A). 0
B). 1
C). 3
D). 10
Which of the following is a correct way to assign a floating-point number to a variable in PHP?
A). $price = 10.99;
B). $price = '10.99';
C). $price = '10.99';
D). $price = 10;
Which of the following PHP functions is used to find the length of an array?
A). count()
B). length()
C). size()
D). sizeof()
Which of the following is a valid variable name in PHP?
A). $my_var
B). $my-var
C). $my var
D). my_var
Which of the following is a correct way to declare an array in PHP?
A). $colors = array('Red', 'Green', 'Blue');
B). $colors = 'Red, Green, Blue';
C). $colors = {'Red', 'Green', 'Blue'};
D). $colors = [Red, Green, Blue];
What will be the value of the variable $result after executing the following PHP code?<?php
$x = 5;
$result = ($x > 10) ? 'Yes' : 'No';
?>
A). Yes
B). No
C). True
D). False