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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = '12345';
echo 'qwe{$a}rty';

no output
error
qwe12345rty
qwe{$a}rty

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$hello = "Hello World";
$bye = "Bye";
echo $hello;
"$bye";

Hello worldBye
Hello World
Error
Bye

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 5;
while (--$i > 0) {
$i++;
print $i;
print "hello";
}

no output
error
5hello5hello5hello5hello5hello…..infinite
4hello4hello4hello4hello4hello…..infinite

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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 = '4';
print + + $a;

5
0
no output
error

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

Nothing
0
5
Error

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