Answer & Solution
'Hello' . ' World' uses the concatenation operator (.) to join the strings 'Hello' and ' World' together. Therefore, the result will be 'Hello World', as the two strings are concatenated to form a single string.
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'Hello' . ' World' in PHP?
'Hello' . ' World' uses the concatenation operator (.) to join the strings 'Hello' and ' World' together. Therefore, the result will be 'Hello World', as the two strings are concatenated to form a single string.
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;
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
Which of the following is a valid variable name in PHP?
A). $my_var
B). $my-var
C). $my var
D). my_var
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 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 is the purpose of the following PHP code?<?php
$colors = array('Red', 'Green', 'Blue');
foreach ($colors as $color) {
echo $color . '
';
}
?>
A). To loop through an array and print each element
B). To check if a variable is an array
C). To reverse the elements of an array
D). To create a new array
Which of the following PHP operators is used for concatenation of strings?
A). .
B). +
C). &&
D). *
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