Answer & Solution
.) operator is used for concatenation of strings. It joins two string values together to form a single string. For example, 'Hello' . ' ' . 'World' will result in 'Hello World'.
.) operator is used for concatenation of strings. It joins two string values together to form a single string. For example, 'Hello' . ' ' . 'World' will result in 'Hello World'.
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
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;
What data type is the variable $age = 25; in PHP?
A). Integer
B). String
C). Boolean
D). Float
Which of the following PHP operators is used to compare whether two values are equal and of the same data type?
A). ===
B). ==
C). =
D). !=
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 increment the value of a variable $count by 1 in PHP?
A). $count++;
B). $count += 1;
C). $count = $count + 1;
D). $count =+ 1;
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 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 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 output of the following PHP code?<?php
$name = 'John';
echo 'Hello, $name!';
?>
A). Hello, John!
B). Hello, $name!
C). Hello, !
D). Undefined variable: name