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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 5;
while (--$i > 0 && ++$i) {
print $i;
}

error
54321
555555555…infinitely
5

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 0x6db7;
print $a<<6;

error
0x6dc0
no output
1797568

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x =4;
$y = 3;
function fun($x, $y) {
$z = $x + $y / $y + $x;
echo "$z";
}
echo $x;
echo $y;
echo $z;
fun(3, 4);

439
437
349
347

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "This is India";

This is India
Error
This is India
This is

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

Nothing
5
0
Error

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

0
5
error
no output

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