$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.
Which of the following PHP functions is used to convert a string to uppercase?
A). strtoupper()
B). ucwords()
C). strtolower()
D). ucfirst()
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 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
What does the following PHP code output?<?php
$x = '10';
$y = 20;
echo $x + $y;
?>
A). 30
B). 1020
C). Error
D). 102
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 result of the expression 10 % 3 in PHP?
A). 0
B). 1
C). 3
D). 10
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 operators is used for concatenation of strings?
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';