$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 operators is used for concatenation of strings?
A). .
B). +
C). &&
D). *
What data type is the variable $age = 25; in PHP?
A). Integer
B). String
C). Boolean
D). Float
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 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 will be the output of the following PHP code?<?php
$x = 10;
echo ++$x;
?>
A). 10
B). 11
C). 9
D). Error
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 PHP functions is used to find the length of an array?
A). count()
B). length()
C). size()
D). sizeof()
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 statements is true about PHP comments?
A). Comments are ignored by the PHP interpreter
B). Comments can only be single-line
C). Comments must start with /* and end with */
D). Comments are displayed on the webpage
What will be the output of the following PHP code?<?php
$x = 10;
$y = 5;
echo $x + $y;
?>
A). 15
B). 5
C). 10
D). Error