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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
int $one = 1;
echo "$one";

$one
0
Error
1

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

000
111
012
123

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

Error
True
Nothing
0

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 3;
$d = $a++ + ++$b;
echo $d;

error
3
5
4

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define("__LINE__", "PHP is a scripting language");
echo __LINE__;

ERROR
__LINE__
PHP is a scripting language
2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$cars = array("Volvo", "BMW", "Toyota");
print $cars[2];

BMW
Toyota
Volvo
Error

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