Answer & Solution
?:), which is a shorthand for an if-else statement. It checks if $x is greater than 10. If true, it assigns 'Yes' to $result; otherwise, it assigns 'No'. Since $x is not greater than 10, $result will be 'No'.
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$result after executing the following PHP code?<?php
$x = 5;
$result = ($x > 10) ? 'Yes' : 'No';
?>
?:), which is a shorthand for an if-else statement. It checks if $x is greater than 10. If true, it assigns 'Yes' to $result; otherwise, it assigns 'No'. Since $x is not greater than 10, $result will be 'No'.
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
$x = 10;
echo ++$x;
?>
A). 10
B). 11
C). 9
D). Error
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
$name = 'John';
echo 'Hello, $name!';
?>
A). Hello, John!
B). Hello, $name!
C). Hello, !
D). Undefined variable: name
What will be the result of the expression 10 % 3 in PHP?
A). 0
B). 1
C). 3
D). 10
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
$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 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
What does the following PHP code output?<?php
$x = '10';
$y = 20;
echo $x + $y;
?>
A). 30
B). 1020
C). Error
D). 102