<?php
$x = '10';
$y = 20;
echo $x + $y;
?>
30, as $x will be converted to the integer 10, and then added to $y, resulting in 30.
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 will be the result of the expression 10 % 3 in PHP?
A). 0
B). 1
C). 3
D). 10
What data type is the variable $age = 25; in PHP?
A). Integer
B). String
C). Boolean
D). Float
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 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 output of the following PHP code?<?php
$x = 5;
echo $x--;
echo $x;
?>
A). 5 4
B). 5 5
C). 4 4
D). 4 5
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
$x = 5;
$y = 10;
echo 'The sum is: ' . ($x + $y);
?>
A). The sum is: 15
B). The sum is: 5 + 10
C). The sum is: $x + $y
D). The sum is: 510
Which of the following PHP functions is used to convert a string to uppercase?
A). strtoupper()
B). ucwords()
C). strtolower()
D). ucfirst()
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;