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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3.5;
$y = 2;
$z = 2;
echo $x / $y / $z;

1.75
Error
3.5
0.875

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 10;
echo ++$a;
echo $a++;
echo $a;
echo ++$a;

11111112
11111212
11111213
11121213

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$var1 = 1 + ++5;
echo $var1;

error
6
7
no output

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$x = 3, 4, 5, 6;
echo "$x";

3
6
4
Error

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$a = 1;
$b = 3;
$d = $a++ + ++$b;
echo $d;

error
5
4
3

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

echo “Hello world”
Error
echo Hello world
Hello world

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