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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$y = 2;
$w = 4;
$y *= $w /= $y;
echo $y, $w;

42
80.5
82
44

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
{
$x = 10;
echo "$x";
}
echo "$x";

1010
510
error
105

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color = red;
echo "$color";

Error
red
red
$color

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$cars = array("Volvo", "BMW", "Toyota");
echo "My car is a {$cars[0]}";

Error
My car is a BMW
My car is a Volvo
My car is a Toyota

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$4four = 4;
$3three = 3;
$2two = 2;
echo $4four + $3three / $2two - 1;

7
3.5
Error
4.5

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PHP Operators and Expressions
Ceil(-2.1) would be

-2
2
-3
3

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