Odesk PHP 5 test answers

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oDesk PHP 5 test answers

What is true regarding this code?

setcookie will return true

Question:
Which of the following is not a correct way of printing text in php5?

echo "Plain text";

Question:
Which of the following is not the correct way of starting a session?

session_initiate()

                                                                                                                      

Question:
Which of the following functions do you need to implement HTTP Basic Authentication?

None of the above

Question:
Which of the following Command Line Interface constant is not defined in the CLI SAPI?

STDPRT

Question:
Which of the following statements is correct with regard to final and abstract?

a. An abstract class cannot have final methods

Question:
Which composite data types are supported by php?

Array

Question:
The default value of register_globals in PHP is:

Off

Question:
Which of the following is not a valid PHP connection status?

 open

Question:
Choose the correct statement:

include() includes and evaluates a specific file

require_once() includes and evaluates a specific file only if it has not been included before

Question:
If the session_cache_expire() is not set, then by default the session cache will expire after:

3 hrs

Question:
What will be the output of the following script?
$count=50;

function Argument()

{

$count++;

echo $count;

}

Argument();

?>

 It will print 1

Question:
State whether True or False

Paamayim Nekudotayim operator allows access only to the static members of a class?

True

Question:
Which of the following statements is true with regard to comparisons in PHP5?

With (===) operator, object variables are identical if and only if they refer to the same instance of the same class.

Question:
Which of the following built-in function assist in checking if actually the function exists or not?

function_exists

 Question:
What will be the output of the following code?

$a = 0.0;

for ($i = 0; $i < a ="="">

1

Question:
What will be the output of the following code?
$i=4;

$j=30;

$k=0;

$k=$j++/$i++;

echo $i . " " . $j . " " . $k . " ";

5 31 7.5

Question:
Which of the following is a not a correct way of commenting in php?

/#PHP Comment

Question:
Following is a php code block:

$m=9;

$n=99;

$z=8;

$z=$n++/$m++ + --$z;

echo $z;

what will be the output?

18

Question:
Which of the following is the correct way of specifying default value?

function GetDiscount($Type = "Special") { . . . }

Question:
With reference to the following php script:

print 'Text Line1'

print 'Text Line2'

?>

What will be the output on running the script?

Error message will be printed

Question:

What will be the ouput of the following code?

for ($i = 0; $i < i ="="">

0134

Question:
Late PHP versions support remote file accessing for the functions:

include_once()

require_once()

both of them

Question:
You have designed a user login form as follows:

User Name: 

Password: 

How can you access the username entered by the user in the 'Validate.php' webpage?

a. $var= $_POST['username'];

b. $var= $_REQUEST['username'];

c. import_request_variables('p', 'p_');

$var= $p_username;

Both of them

Question:
Which of the following does not represent logical AND operator in PHP?

&amp

Question:
Which of the following is not true for a persistent connection?

These can't be converted to non-persistent connections

Question:

Which of the following are invalid data types in PHP?

char

Question:
The Manager and Office classes are as follows:
class Manager{

function printName() {

echo "Manager";

}

}

class Office{

function getManager() {

return new Manager();

}

}

$ofc = new Office();

???

?>

Which of the following should replace '???' to obtain the value of printName() function?

$ofc->getManager()->printName();

Question:                                                              
The classes are defined as follows:abstract class BaseCls{

protected abstract function getName();

}

class ChildCls extends BaseCls{

}

Which of the following implementations of getName() is invalid in ChildCls?

 public function getName(){}

Question:
Which of the following variable declarations within a class is invalid in PHP5?

var $term =3;

Question:
What will be the output of following code?

$arr = "a";

$arr[0]="b";

echo $arr;

echo $arr[0];

bb

Question:
For the following code:

the output will be:

171

Question:
What is the result of the following expression?
5+2 * 4+6

Question:
What will be the output of following code?
$var = 1 + "-1.3e3";

echo $var;

-1299

Question:
What will be the output of following code?

$var1="a";

$$var1="b";

echo "$var1 $a";

a b

Question:What is the output of the following code?

$a = 500;

$b = 200;

echo $a % 2

* $b;

?>

0

Question:
What will be the ouput of the following code?

if (-1)

print "true";

else

print "false";

?>

true

Question:
What will be the output of the following code?

echo 12 . 6;

126

Question:
Consider the following sample code:

$x = 0xFFFE;

$y = 2;

$z = $x && $y;

What will be the value of $z?

1 

ORANGE IS THE ANSWERS