PHP Programming Practice Test 7

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

<?php
$a = "$winner";
$b = "\$looser";
echo $a, $b;
?>

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

<?php
$4four = 4;
$3three = 3;
$2two = 2;
echo $4four + $3three / $2two - 1;
?>

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

<?php
$x = 4;
$y = 3;
function fun($x = 3, $y = 4)
{
    $z = $x+$y/$y+$x;
    echo "$z";
} 
echo $x;
echo $y;
echo $z; 
fun($x, $y);
?>

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

<?php
$x = 5;
function fun()
{
    $x = 10;
    echo "$x";
}
fun();
echo "$x";
?>

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

<?php
echo "<i>Hello World</i>"
?>

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

<?php
$color = red;
echo "\$color";
?>

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

<?php
$color1 = "red";
$color2 = "red";
echo "$color1" + "$color2";
?>

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

<?php
$color = "red";
$color = "green";
echo "$color";
?>

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

<?php
$x=0;
function fun()
{
    echo $GLOBALS['x'];
    $GLOBALS['x']++;
}
fun();
fun();
fun();
?>

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

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