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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 3;
print ++$var++;

3
5
4
error

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

0
Error
Nothing
True

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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];

Volvo
BMW
Error
Toyota

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 0;
$var1 = ($var1 + 5)++;
echo $var1;

error
5
7
6

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PHP Operators and Expressions
Ceil(-2.1) would be

-3
2
3
-2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 12;
--$a;
echo $a++;

12
10
error
11

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