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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
function fun() {
$x = 0;
echo $x;
$x++;
}
fun();
fun();
fun();

012
111
000
123

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 1;
$d = 1;
print ++$a + ++$a+$a++;
print $a++ + ++$b;
print ++$d + $d++ + $a++;

869
368
error
742

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PHP Operators and Expressions
What will be the output of the following PHP code ?
class myObject { }
define('myObject::CONSTANT', 'test');
echo myObject::CONSTANT;

no output
myObject::CONSTANT
error
test

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

Error
0
True
Nothing

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 10;
$y = 4;
$z = 3;
echo $x % $y % $z;

Error
1
2
0

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PHP Operators and Expressions
The result of below two statements will be:Round(2.5)Round(-2.5)

3.5, -3.5
2, -2
2.5, -2
3, -3

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