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PHP Operators and Expressions

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

0
Nothing
1
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
< ? php < ? php echo "Hello world"; ? > ? >

Hello
Hello world
Error
Nothing

ANSWER DOWNLOAD EXAMIANS APP

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

/$looser
$winner/$looser
$looser
/

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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;
}

infinite loop
10
210
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "This"."was"."a"."bad"."idea";

This, was, a, bad, idea
This was a bad idea
Thiswasabadidea
Error

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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");

No 1
Yes 2
Yes 1
No 2

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