250+ TOP PHP Coding MCQs on Functions and Answers

PHP Assessment Questions and Answers on “Functions – 5”.

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

```
 
```
```
$x = 75;
```
```
$y = 25; 
```
```
function addition()
```
```
{
```

    $GLOBALS['z'] = $GLOBALS['x'] + $GLOBALS['y'];

```
}
```
```
addition();
```
```
echo $z;
```
```
?>
```

a) 100
b) error
c) 75
d) 25
Answer: a
Clarification: z is a variable present within the $GLOBALS array, it is also accessible from outside the function!

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

```
function 2myfunc()
```
```
{
```
```
    echo "Hello World";
```
```
}
```
```
2myfunc();
```
```
?>
```

a) Hello World
b) No Output
c) ERROR
d) None of the mentioned
Answer: c
Clarification: Function cannot begin with a number.

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

```
function _func()
```
```
{
```
```
    echo "Hello World";
```
```
}
```
```
_func();
```
```
?>
```

a) Hello World
b) No Output
c) ERROR
d) None of the mentioned
Answer: a
Clarification: Function Beginning with “_” is valid.

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

```
function test($int)
```
```
{
```
```
    if ($int == 1)
```
```
        echo "This Works";
```
```
    if ($int == 2)
```
```
        echo "This Too Seems To Work";
```
```
}
```
```
test(1);
```
```
TEST(2);
```
```
?>
```

a) This Works
b) This Too Seems To Work
c) This WorksThis Too Seems To Work
d) ERROR
Answer: c
Clarification: Function Is case Insensitive.

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

```
function mine($num)
```
```
{
```
```
    $num = 2 + $num;
```
```
echo $num;
```
```
}
```
```
mine(3);
```
```
?>
```

a) 3
b) $num
c) 5
d) None of the mentioned
Answer: c
Clarification: Simple arithmetic operation.

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

```
function mine($num)
```
```
{
```
```
    $num = 2 + $num;
```
```
    echo "$num";
```
```
}
```
```
mine(3);
```
```
?>
```

a) 3
b) $num
c) 5
d) None of the mentioned

250+ TOP MCQs on PHP Advanced Object-Oriented PHP and Answers

Answer: b
Clarification: The function is defined as echo “$num”. This means $num is treated as a string and not as a variable.

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

```
function one($string)
```
```
{
```
```
    echo "I am ". $String;
```
```
}
```
```
one("Batman");
```
```
?>
```

I
 am Batman

b) I am
c) Batman
d) ERROR
Answer: d
Clarification: Variable Undeclared) $string is not the same as $String.

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

```
    function string($title);
```
```
    {
```
```
        $title = ucwords($title);
```
```
        echo lcfirst($title);
```
```
    }
```
```
    string("you went full retard");
```
```
?>
```

a) You went full retard
b) You Went Full Retard
c) YOU WENT FULL RETARD
d) you Went Full Retard
Answer: d
Clarification: ucwords() changes all the first letters to capitals. lcfirst() changes first letter of a string to small.

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

```
    function multi($num)
```
```
    {
```
```
        if ($num == 3)
```
```
            echo "I Wonder";
```
```
        if ($num == 7)
```
```
            echo "Which One";
```
```
        if ($num == 8)
```
```
            echo "Is The";
```
```
        if ($num == 19)
```
```
            echo "Correct Answer";
```
```
    }
```

    $can = stripos("I love php, I love php too!","PHP");

```
    multi($can);
```
```
?>
```

a) I Wonder
b) Which One
c) Is The
d) Correct Answer
Answer: b
Clarification: The stripos() function finds the position of the first occurrence of a string inside another string. In this case it returns 7.

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

```
function movie($int)
```
```
{
```

    $movies = array("Fight Club", "Kill Bill", "Pulp Fiction");

    echo "You Do Not Talk About ". $movie[$integer];

```
}
```
```
movie(0);
```
```
?>
```

a) You Do Not Talk About Fight Club
b) You Do Not Talk About Kill Bill
c) You Do Not Talk About Pulp Fiction
d) None of the mentioned

250+ TOP MCQs on PHP Functions and Answers

250+ TOP PHP Coding MCQs on Functions and Answers

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