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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$j = 0;
if ($i && ($j = $i + 10)) {
echo "true";
}
echo $j;

0
true0
10
true10

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print "echo hello world";

echo hello world
error
hello world
nothing

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

1797568
no output
0x6dc0
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 30;
$y = 20;
$z = 10;
echo $x + $y - $z / ($z - $y);

41
51
-4
-5

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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 2
Yes 1
No 2

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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
$one
Error

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