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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 2;
while (++$i) {
while ($i --> 0)
print $i;
}

10
infinite loop
no output
210

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = "$winner";
$b = "$looser";
echo $a, $b;

$looser
\
$winner$looser
$looser

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

no output
2
0
1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3.3;
$y = 2;
echo $x % $y;

1
0
Error
2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = '4';
print + + $a;

0
no output
5
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3, 4, 5, 6;
echo "$x";

4
Error
3
6

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