Upwork PHP Test Answers - 2015

oDesk PHP Test Answers  2015

Ques: The setrawcookie() method of setting cookies is different from PHP standard method of cookie setting as:

    It does not allow expiry time to be set
    It can be used only once
    It does not URL-ENCODE the value on its own
    It does not allow domain setting

Ques: You need to keep an eye on the existing number of objects of a given class without introducing a non-class varibale. which of the following makes this happen?

    Add a member varibale that gets incremented in the default constructer and decremented the destructer.
    Add a local variable that gets incremented in each constructer and decremented in the desructer
    Add a static member variable that gets incremented in each constructer and decreented in the destructor
    This cannot be accomplished since the creation of objects is being done dynamically via “new”



Ques: which of the following variable declaration within a class is invalid in PHP5?

    private $type = “moderate”;
    var $term = 3;
    public $amn = “500″;
    protected $name = ‘Quantes Private Limited’;

Ans: d

Ques: which of the following is not valid PHP parser tag?

    script
    ?p
    %
    ?php;

Ans: c

Ques: How can you hide the fact that web pages are written in PHP?

    By using AddType application/X-httpd-php asp
    Specify all file names without any dot and extension
    By using .htaccess diretive in Apeche
    All of the above

Ans: C

Ques: What is the output of the following code?

$a = 3;

$b = 2;

echo (int)$a/(int)$b

?>

    1
    1.5
    2
    3
    Eroor

Ans: b

Ques: Which one is correct?

    $s = fwrite (“a string here”);
    $s = fwrite ($fp,”a string here”);
    $s = fwrite (“a string here”,$fp);
    non of the above

Ans: b

Ques: Which of the following set of operations is not valid in PHP 5?

    >, >=
    =,==
    !==,!==
    +=, *=

Ans: C

Ques: Late PHP version support remote file accessing for the functions:

    include()
    include_once()
    require_once()
    All of the above

Ans: D
Ques: What will be the output of the following script?

$count=50;

function Argument()

{

$count++;

echo $count;

}

Argument()

?>

    It will print 50
    It will print 51
    It will print 52
    It will print 1

Ans: D

Ques: which of the following are used for code reuse?

    Loops
    functions
    Database
    include files

Ans: B,D

Ques: which of the following is the corect way of specifying default value?

    Function GetDiscount($Type = “Special”) {………}
    Function GetDiscount(Type := “Special”) {………}
    Function GetDiscount($Type: = “Special”) {………}
    Function GetDiscount($Type : “Special”) {………}

Ans: b

Ques: Which of the following are “magic constant”?

    __LINE__
    __FILE__

c __PRETTY_FUNCTION__

d __CLASS__

    __METHOD__

Ans: c

Ques: you have defined three variables $to, $subject, and $body to send an email. Which of the following methods would you use for sending an email?

    mail($to, $subject,$body)
    sendmail($to, $subject,$body)
    mail(to, subject,body)
    sendmail(to, subject,body)

Ans: a

Ques: Which one of the following is turnary operator?

    &
    =
    ?:
    +=
    &&

Ans: D

Ques: What is the result of the following Exprssion?

5+2*4+6

    70
    19
    34
    21

Ans: B

Ques: The default value of register global in PHP is:

    Off
    On

Ans: A

Ques: What would b the outpur of the following code?

$string = ‘good day’;

$string = ucword($string);

echo $string;

?>

    good day
    GOOD DAY
    Good Day
    non of the above

Ans: C

Ques: If you want to pass a value to a function by reference, the correct way is:

    function ModifyReport(&$Rptfile){}
    function ModifyReport($Rptfile){}
    function ModifyReport(ByRef $Rptfile){}
    function ModifyReport(&Rptfile){}

Ans: D