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PHP Operators and Expressions

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

/
/$looser
$looser
$winner/$looser

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 'a';
print $a * 2;

192
error
0
2

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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";

6
3
4
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo 5 * 9 / 3 + 9;

0
3.85
24
3.7

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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
-5
-4
51

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$y = 2;
if (**$y == 4) {
echo $y;
}

2
error at line2
4
no output

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