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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$auth = 1;
$status = 1;
if ($result = (($auth == 1) && ($status != 0))) {
print "result is $result";
}

no output
result is 1
error
result is true

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$hello = "Hello World";
$bye = "Bye";
echo $hello;
"$bye";

Error
Bye
Hello World
Hello worldBye

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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;
function fun()
{
$x = 10;
echo "$x";
}
fun();
echo "$x";

510
0
Error
105

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$x = $i++;
$y = ++$i;
print $x;
print $y;

01
12
21
02

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

3
1
no output
2

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