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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 1;
if ($i++ && ($i == 1))
printf("Yesn$i");
else
printf("Non$i");

Yes 1
No 1
Yes 2
No 2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x;
echo "$x";

1
Error
0
Nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = 3;
$z = 1;
echo "$x = $x + $y + $z";

Error
8 = 4 + 3 +1
4 = 4 + 3 + 1
8

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
function fun()
{
echo "$x";
}
fun();

Nothing
5
0
Error

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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
-3.25
4.25
-4.25

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = "one";
$two = "two";
print($one$two);

onetwo
one
error
nothing

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