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PHP Operators and Expressions

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

Error
111
123
012

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

Hello world
Hello world in italics
Nothing
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define('IF', 42);
echo "IF: ", IF;

ERROR
IF:42
No output
IF:

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = '4';
print + + $a;

no output
0
5
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
echo ++$a;
echo $a++;
echo $a;
echo ++$a;

11111112
11111212
11111213
11121213

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

7
0
9
Error

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