oDesk PHP 5 test answers 2013
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Ques: Which composite data types are supported by
php?
Ques: Which of the following statements is true with regard to comparisons in PHP5?
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?
oDesk PHP 5 test answers 2013 |
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;
$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?
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
$a = 0.0;
for ($i = 0; $i < a
="="">
Ans: 1
Ques: What
will be the output of the following code?
$i=4;
$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: &
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{
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
Ans: 5+2 * 4+6
Ques: What
will be the output of following code?
$var = 1 + "-1.3e3";
$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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