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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = 1;
print($one);
print $one;

Error
10
01
11

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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";

hello
hihello
infinite loop
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = 3;
function fun($x = 3, $y = 4) {
$z = $x+$y/$y+$x;
echo "$z";
}
echo $x;
echo $y;
echo $z;
fun($x, $y);

43
349
439
943

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$j = 0;
if ($i && ($j = $i + 10)) {
echo "true";
}
echo $j;

10
true0
true10
0

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

hello world
error
echo hello world
nothing

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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";

Hello World
Bye
Hello worldBye
Error

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