oDesk PHP 5 test answers 2013

oDesk PHP 5 test answers 2013 for Web designer and Developers to get more job on oDesk.They will be helpful with getting this. They can take a exam on oDesk PHP 5 test answers successfully with help of this post.

oDesk PHP 5 test answers 2013

Ques:     Which composite data types are supported by php?
Ans:     Array
Ques:     The default value of register_globals in PHP is:
Ans:     Off
Ques:     Which of the following is not a valid PHP connection status?
Ans:     open
Ques:     Choose the correct statement:
Ans:      include() includes and evaluates a specific file
require_once() includes and evaluates a specific file only if it has not been included before
Ques:     If the session_cache_expire() is not set, then by default the session cache will expire after:
Ans:     3 hrs
Ques:     What will be the output of the following script?
$count=50;
function Argument()
{
$count++;
echo $count;
}
Argument();
?>
Ans:     It will print 1
Ques:     What is true regarding this code?
Ans:     setcookie will return true
Ques:     Which of the following is not a correct way of printing text in php5?
Ans:     echo "Plain text";
Ques:     Which of the following is not the correct way of starting a session?
Ans:     session_initiate()
                                                                                                                      
Ques:     Which of the following functions do you need to implement HTTP Basic Authentication?
Ans:     None of the above
Ques:     Which of the following Command Line Interface constant is not defined in the CLI SAPI?
Ans:     STDPRT
Ques:     Which of the following statements is correct with regard to final and abstract?
Ans:     a. An abstract class cannot have final methods
Ques:     State whether True or False

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

Ques:     Which of the following statements is true with regard to comparisons in PHP5?
Ans:     With (===) operator, object variables are identical if and only if they refer to the same instance of the same class.

Ques:     Which of the following built-in function assist in checking if actually the function exists or not?
Ans:     function_exists
Ques:     What will be the output of the following code?
$a = 0.0;
for ($i = 0; $i < a ="="">
Ans:     1
Ques:     What will be the output of the following code?
$i=4;
$j=30;
$k=0;
$k=$j++/$i++;
echo $i . " " . $j . " " . $k . " ";
Ans:     5 31 7.5
Ques:     Which of the following is a not a correct way of commenting in php?
Ans:     /#PHP Comment
Ques:     Following is a php code block:
$m=9;
$n=99;
$z=8;
$z=$n++/$m++ + --$z;
echo $z;
what will be the output?
Ans:     18
Ques:     Which of the following is the correct way of specifying default value?
Ans:     function GetDiscount($Type = "Special") { . . . }
Ques:     With reference to the following php script:
print 'Text Line1'
print 'Text Line2'
?>
What will be the output on running the script?
Ans:     Error message will be printed
Ques:     What will be the ouput of the following code?
for ($i = 0; $i < i ="="">
0134
Ques:     Late PHP versions support remote file accessing for the functions:
Ans:     include_once()
          require_once()
both of them
Ques:     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;
Ans:      Both of them
Ques:     Which of the following does not represent logical AND operator in PHP?
Ans:     &amp
Ques:     Which of the following is not true for a persistent connection?
Ans:     These can't be converted to non-persistent connections
Ques:     Which of the following are invalid data types in PHP?
Ans:     char
Ques:     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?
Ans:     $ofc->getManager()->printName();
Ques:     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?
Ans:     public function getName(){}
Ques:     Which of the following variable declarations within a class is invalid in PHP5?
Ans:     var $term =3;
Ques:     What will be the output of following code?
$arr = "a";
$arr[0]="b";
echo $arr;
echo $arr[0];
Ans:     bb
Ques:     For the following code:
the output will be:
Ans:     171
Ques:     What is the result of the following expression?
Ans:     5+2 * 4+6
Ques:     What will be the output of following code?
$var = 1 + "-1.3e3";
echo $var;
Ans:     -1299
Ques:     What will be the output of following code?
$var1="a";
$$var1="b";
echo "$var1 $a";
Ans:     a b
Ques:    What is the output of the following code?
$a = 500;
$b = 200;
echo $a % 2
* $b;
?>
Ans:     0
Ques:     What will be the ouput of the following code?
if (-1)
print "true";
else
print "false";
?>
Ans:     true
Ques:     What will be the output of the following code?
echo 126;
Ans:     126
Ques:     Consider the following sample code:
$x = 0xFFFE;
$y = 2;
$z = $x && $y;
What will be the value of $z?
Ans:     1 

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