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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$j = 1;
$k = 2;
print !(($i + $k) < ($j - $k));

0
true
false
1

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$cars = array("Volvo", "BMW", "Toyota");
echo "My car is a {$cars[0]}";

My car is a Toyota
My car is a Volvo
Error
My car is a BMW

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
function fun()
{
echo "$x";
}
fun();

5
0
Nothing
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = "$winner";
$b = "/$looser";
echo $a,$b;

/
/$looser
$looser
$winner/$looser

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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++;

error
869
742
368

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PHP Operators and Expressions
What will be the output of the following PHP code ?
define("NEW_GOOD_NAME_CONSTANT", "I have a value");
define("OLD_BAD_NAME_CONSTANT", NEW_GOOD_NAME_CONSTANT);
echo NEW_GOOD_NAME_CONSTANT;
echo OLD_BAD_NAME_CONSTANT;

I have a valueI have a value
I have a value
I have a valueNEW_GOO_NAME_CONSTANTS
ERROR

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