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PHP Operators and Expressions

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

Hello world
Hello world# Hello world
Error
# Hello world

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
$y = 10;
function fun() {
$y = $GLOBALS['x'] + $GLOBALS['y'];
}
fun();
echo $y;

5
15
Error
10

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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 Toyota
My car is a Volvo

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

$winner$looser
\
$looser
$looser

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

hihello
infinite loop
hello
error

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PHP Operators and Expressions
What is the output of given statement?Print 17 % 3;

5.666667
2
5.67
none of above

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