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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
class myObject { }
define('myObject::CONSTANT', 'test');
echo myObject::CONSTANT;

error
test
no output
myObject::CONSTANT

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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:
IF:42
No output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 2;
while (++$i) {
while ($i --> 0)
print $i;
}

10
no output
210
infinite loop

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

no output
1
0
error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 5;
function fun()
{
$x = 10;
echo "$x";
}
fun();
echo "$x";

510
105
0
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color = "red";
echo "$color";
echo "$COLOR";
echo "$Color";

Error
red
redred
redredred

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