$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 find the length of an array?
A). count()
B). length()
C). size()
D). sizeof()
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 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
$name = 'John';
echo 'Hello, $name!';
?>
A). Hello, John!
B). Hello, $name!
C). Hello, !
D). Undefined variable: name
What data type is the variable $age = 25; in PHP?
A). Integer
B). String
C). Boolean
D). Float
What will be the result of the expression 10 % 3 in PHP?
A). 0
B). 1
C). 3
D). 10
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 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 result of the expression 'Hello' . ' World' in PHP?
A). 'Hello World'
B). 'Hello . World'
C). 'Hello + World'
D). 'Hello, World'