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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = "";
while ($i = 10) {
print "hi";
}
print "hello";

error
hihello
hello
infinite loop

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$cars = array("Volvo", "BMW", "Toyota");
print $cars[2];

Toyota
BMW
Volvo
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = -3;
$z = 11;
echo 4 + $y * $z / $x;

-3.25
4.25
3.25
-4.25

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3.5;
$y = 2;
$z = 2;
echo $x / $y / $z;

Error
1.75
3.5
0.875

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

no output
qwe{$a}rty
error
qwe12345rty

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

$color
red
red
Error

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