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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?

Hello World
Nothing
Missing semicolon error
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "Hello World"

Hello world
Hello world in italics
Error
Nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = -3;
$z = 11;
echo 4 + $y * $z / $x;

3.25
-4.25
4.25
-3.25

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PHP Operators and Expressions
The result of below two statements will be:Round(2.5)Round(-2.5)

2, -2
3, -3
3.5, -3.5
2.5, -2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 30;
$y = 20;
$z = 10;
echo $x + $y - $z / ($z - $y);

51
-4
-5
41

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$y = 2;
if (**$y == 4) {
echo $y;
}

error at line2
no output
2
4

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