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PHP Operators and Expressions

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

Error
Hello world
Nothing
Hello world in italics

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$x = $i++;
$y = ++$i;
print $x;
print $y;

12
21
02
01

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

$z
8
1
15

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$b = 1;
$c = 4;
$a = 5;
$d = $b + $c == $a;
print $d;

5
0
1
10

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

Hello World
Error
Nothing
Missing semicolon error

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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);

nothing
error
one
onetwo

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