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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
$b = 4;
$c = fun(10,4);
function fun($a,$b) {
$b = 3;
return $a - $b + $b - $a;
}
echo $a;
echo $b;
echo $c;

4100
410
1400
104

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

error
nothing
hello world
echo hello world

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

5.67
5.666667
2
none of above

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

echo “Hello world”
echo 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;
$z = "$x + $y";
echo "$z";

$z
10 + 5
$x + $y
15

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

0
3.7
24
3.85

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