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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";

Nothing
Error
0
1

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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
Bye
Error
Hello World

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo 5 * 9 / 3 + 9;

24
0
3.7
3.85

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$i = 0;
$x = $i++;
$y = ++$i;
print $x;
print $y;

21
12
02
01

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 4;
$y = 3;
$z = 1;
echo "$x = $x + $y + $z";

Error
4 = 4 + 3 + 1
8 = 4 + 3 +1
8

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 10;
$y = 4;
$z = 3;
echo $x % $y % $z;

1
0
Error
2

ANSWER DOWNLOAD EXAMIANS APP
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