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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 'a';
print $a * 2;

0
error
192
2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
print("this"."was"."a"."bad"."idea");

error
nothing
this was a bad idea
thiswasabadidea

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 30;
$y = 20;
$z = 10;
echo $x + $y - $z / ($z - $y);

41
-4
51
-5

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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();

0
5
Nothing
Error

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

$color
red
Error
red

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 1;
if ($i++ && ($i == 1))
printf("Yesn$i");
else
printf("Non$i");

Yes 2
No 1
No 2
Yes 1

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