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PHP Operators and Expressions

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

$winner$looser
$looser
$looser
\

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$y = 2;
if (**$y == 4) {
echo $y;
}

2
error at line2
4
no output

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

0
1
$one
Error

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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;

myObject::CONSTANT
error
no output
test

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

error
5
3
4

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 5;
$b = -7;
$c =0;
$d = ++$a && ++$b || ++$c;
print $d;
print $a;
print $a;

06
15
16
05

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