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PHP Operators and Expressions

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

Error
6
4
3

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

$one
0
Error
1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 10;
$y = 4;
$z = 3;
echo $x % $y % $z;

Error
0
2
1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$j = 1;
$k = 2;
print !(( + + $i + $j) > ($j - $k));

error
0
1
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$auth = 1;
$status = 1;
if ($result = (($auth == 1) && ($status != 0))) {
print "result is $result";
}

no output
error
result is 1
result is true

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = "red";
$color2 = "green";
echo "$color1" . "$color2";

red
redgreen
red green
green

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