Home / CSE / PHP - CS :: Functions in PHP

CSE :: PHP - CS

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

    <?php

    echo ucwords("i love my country");

    ?>

  2. A.

     I love my country

    B.

     i love my Country

    C.

     I love my Country

    D.

     I Love My Country

    View Answer

    Workspace

    Discuss Discuss in Forum


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

    <?php

    echo lcfirst("welcome to India");

    ?>

  4. A.

     welcome to India

    B.

     welcome to india

    C.

     Welcome to India

    D.

     Welcome to india

    View Answer

    Workspace

    Discuss Discuss in Forum


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

    <?php

    function calc($price, $tax="")

    {

    $total = $price + ($price * $tax);

    echo "$total";

    }

    calc(42);

    ?>

  6. A.

     Error

    B.

     0

    C.

     42

    D.

     84

    View Answer

    Workspace

    Discuss Discuss in Forum


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

    <?php

    function a()

    {

    function b()

    {

    echo 'I am b';

    }

    echo 'I am a';

    }

    a();

    a();

    ?>

  8. A.

     I am b

    B.

     I am bI am a

    C.

     Error

    D.

     I am a Error

    View Answer

    Workspace

    Discuss Discuss in Forum


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

    <?php

    function a()

    {

    function b()

    {

    echo 'I am b';

    }

    echo 'I am a';

    }

    b();

    a();

    ?>

  10. A.

     I am b

    B.

     I am bI am a

    C.

     Error

    D.

     I am a Error

    View Answer

    Workspace

    Discuss Discuss in Forum


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

    <?php

    $op2 = "blabla";

    function foo($op1)

    {

    echo $op1;

    echo $op2;

    }

    foo("hello");

    ?>

  12. A.

     helloblabla

    B.

     error

    C.

     hello

    D.

     helloblablablabla

    View Answer

    Workspace

    Discuss Discuss in Forum


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

    <?php

    function foo($msg)

    {

    echo "$msg";

    }

    $var1 = "foo";

    $var1("will this work");

    ?>

  14. A.

     error

    B.

     $msg

    C.

     0

    D.

     will this work

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Which one of the following is the right way of defining a function in PHP?

  16. A.

     function { function body }

    B.

     data type functionName(parameters) { function body }

    C.

     functionName(parameters) { function body }

    D.

     function fumctionName(parameters) { function body }

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. Type Hinting was introduced in which version of PHP?

  18. A.

     PHP 4

    B.

     PHP 5

    C.

     PHP 5.3

    D.

     PHP 6

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. What will happen in this function call?

    <?php

    function calc($price, $tax)

    {

    $total = $price + $tax;

    }

    $pricetag = 15;

    $taxtag = 3;

    calc($pricetag, $taxtag);

    ?>

  20. A.

     Call By Value

    B.

     Call By Reference

    C.

     Default Argument Value

    D.

     Type Hinting

    View Answer

    Workspace

    Discuss Discuss in Forum