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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 1;
echo $var1 = ++$var1 % 2 + ++$var1;

1
2
3
0

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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");

No 1
Yes 1
Yes 2
No 2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = '12345';
echo 'qwe{$a}rty';

qwe{$a}rty
error
qwe12345rty
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 0;
function fun() {
echo $GLOBALS['x'];
$x++;
}
fun();
fun();
fun();

000
Nothing
012
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
int $one = 1;
echo "$one";

0
1
Error
$one

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

Error
0
Nothing
5

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