PHP Variable Test – 1

1. What will be the output of the following PHP code?

<?php
$x = 30;
$y = 20;
$z = 10;
echo $x + $y - $z / ($z - $y);
?>

2. What will be the output of the following PHP code?

<?php
$x = 10;
$y = 4;
$z = 3;
echo ($x % ($y) + $z);
?>

3. What will be the output of the following PHP code?

<?php
$x = 3.5;
$y = 2;
$z = 2;
echo $x / $y / $z;
?>

4. What will be the output of the following PHP code?

<?php
$x = 4;
$y = 3
$z = 1;
$z = $z + $x + $y;
echo "$z";
?>

5. What will be the output of the following PHP code?

<?php
$x = 4;
$y = 3;
$z = 1;
echo "$x = $x + $y + $z";
?>

6. What will be the output of the following PHP code?

<?php
$x = 10;
$y = 4;
$z = 3;
echo $x % $y % $z;
?>

7. What will be the output of the following PHP code?

<?php
$x = 3.3;
$y = 2;
echo $x % $y;
?>

8. What will be the output of the following PHP code?

<?php
$x = 4;
$y = -3;
$z = 11;
echo 4 + $y * $z / $x;
?>

9. What will be the output of the following PHP code?

<?php
$x = 5;
$y = 10;
$z = "$x + $y";
echo "$z";
?>

10. What will be the output of the following PHP code?

<?php
$x = -1;
$y = 1;
$z = $x * $y + $z;
echo $z;
?>