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What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  class Constants{    define('MIN_VALUE', '0.0');
define('MAX_VALUE', '1.0');
public static function getMinValue() { return self::MIN_VALUE;
} public static function getMaxValue() { return self::MAX_VALUE;
}}echo Constants::getMinValue();
echo Constants::getMaxValue();
?>

A. 0.01.0

B. 01

C. No output

D. ERROR

Correct Answer :

D. ERROR


In a class constants should be defined const MIN_VALUE = 0.0;
const MAX_VALUE = 1.0;
instead.

Related Questions

What is the correct answer?

4

What will be the output of the following PHP code?
 <?php  $cars = array(Volvo, BMW, Toyota, Honda, Mercedes, Opel);
print_r(array_chunk($cars, 2));
?>

A.

Array ( [0] => Array ( [1] => Volvo [2] => BMW ) [1] => Array ( [1] => Toyota [2] => Honda ) [2] => Array ( [1] => Mercedes [2] => Opel ) )

B.

Array ( [1] => Array ( [1] => Volvo [2] => BMW ) [2] => Array ( [1] => Toyota [2] => Honda ) [3] => Array ( [1] => Mercedes [2] => Opel ) )

C.

Array ( [0] => Array ( [0] => Volvo [1] => Volvo ) [1] => Array ( [0] => BMW [1] => BMW ) [2] => Array ( [0] => Toyota [1] => Toyota ) )

D.

Array ( [0] => Array ( [0] => Volvo [1] => BMW ) [1] => Array ( [0] => Toyota [1] => Honda ) [2] => Array ( [0] => Mercedes [1] => Opel ) )

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 0;
while ((--$i > ++$i) - 1){ print $i;
} ?>

A. 00000000000000000000….infinitely

B. -1-1-1-1-1-1-1-1-1-1…infinitely

C. no output

D. error

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 5;
while (--$i > 0){ $i++;
print $i;
print hello;
} ?>

A. 4hello4hello4hello4hello4hello…..infinite

B. 5hello5hello5hello5hello5hello…..infinite

C. no output

D. error

What is the correct answer?

4

What will be the output of the following PHP code?
 <?php  $a1 = array_fill(3, 4, blue);
$b1 = array_fill(0, 1, red);
print_r($a1);
echo
;
print_r($b1);
?>

A.

Array ( [3] => blue [4] => blue) 
Array ( [0] => red )

B.

Array ( [4] => blue [5] => blue [6] => blue) 
Array ( [0] => red )

C.

Array ( [3] => blue [4] => blue [5] => blue [6] => blue ) 
Array ()

D.

Array ( [3] => blue [4] => blue [5] => blue [6] => blue ) 
Array ( [0] => red )

What is the correct answer?

4

Which one of the following function is useful for producing a timestamp based on a given date and time.

A.

time()

B.

mktime()

C.

mrtime()

D.

mtime()

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  define(__LINE__, PHP is a scripting language);
echo __LINE__;
?>

A. PHP is a scripting language

B. __LINE__

C. 2

D. ERROR

What is the correct answer?

4

What does PHP stand for?


i) Personal Home Page
ii) Hypertext Preprocessor
iii) Pretext Hypertext Processor
iv) Preprocessor Home Page


A.

Both i) and iii)


B.

Both ii) and iv)


C.

Only ii)


D.

Both i) and ii)


What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $color1 = red;
$color2 = green;
echo $color1 . $color2;
?>

A. red

B. green

C. red green

D. redgreen

What is the correct answer?

4

Which of following variables can be assigned a value to it?
i) $3hello
ii) $_hello
iii) $this
iv) $This


A.

All of the mentioned


B.

Only ii)


C.

ii), iii) and iv)


D.

ii) and iv)


What is the correct answer?

4

PHP files have a default file extension of..


A.

.html


B.

.xml


C.

.php


D.

.ph


E.

.asp


F.

.jsp


What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  define('IF', 42);
echo IF: , IF;
?>

A. IF:42

B. No output

C. IF:

D. ERROR

What is the correct answer?

4

Neglecting to set which of the following cookie will result in the cookies domain being set to the host name of the server which generated it.

A.

session.domain

B.

session.path

C.

session.cookie_path

D.

session.cookie_domain

What is the correct answer?

4

Which directive determines how the session information will be stored?

A.

save_data

B.

session.save

C.

session.save_data

D.

session.save_handler

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $color = red;
echo $color . red ;
?>

A. red red

B. red

C. error

D. nothing

What is the correct answer?

4

Which one of the following function is used to start a session?

A.

start_session()

B.

session_start()

C.

session_begin()

D.

begin_session()

What is the correct answer?

4

A PHP script should start with ___ and end with ___:


A.

< php >


B.

< ? php ?>


C.

<?php ?>


D.

<% %>


What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 5;
while (--$i > 0 || ++$i){ print $i;
} ?>

A. 54321111111….infinitely

B. 555555555…infinitely

C. 54321

D. 5

What is the correct answer?

4

If session.use_cookie is set to 0, this results in use of..

A. Session

B. Cookie

C. URL rewriting

D. Nothing happens

What is the correct answer?

4

If the directive session.cookie_lifetime is set to 3600, the cookie will live until..

A. 3600 sec

B. 3600 min

C. 3600 hrs

D. the browser is restarted

What is the correct answer?

4

To create an object and set the date to JUNE 22, 2013, which one of the following statement should be executed?

A.

$date = Date(22 JUNE 2013)

B.

$date = new Date(JUNE 22 2013)

C.

$date = DateTime(22 JUNE 2013)

D.

$date = new DateTime(22 JUNE 2013)

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4

What will be the output of the following PHP code ?
 <?php  define(NEW_GOOD_NAME_CONSTANT, I have a value);
define(OLD_BAD_NAME_CONSTANT, NEW_GOOD_NAME_CONSTANT);
�echo NEW_GOOD_NAME_CONSTANT;
echo OLD_BAD_NAME_CONSTANT;
?>

A. I have a value

B. I have a valueI have a value

C. ERROR

D. I have a valueNEW_GOO_NAME_CONSTANTS

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  define('GREETING_TEST', 'PHP is a scripting language', true);
echo GREETING_TESt;
$changing_variable = 'test';
echo constant('GREETING_' . strtoupper($changing_variable));
?>

A. PHP is a scripting language
PHP is a scripting language

B. GREETING_TESt

C. PHP is a scripting language

D. PHP is a scripting language
GREETING_TEST

What is the correct answer?

4

What will be the output of the following PHP code?
 <?php  $a1 = array(a=>red, b=>green, c=>blue, d=>yellow);
$a2 = array(e=>red, f=>green, g=>blue);
$result = array_diff($a1, $a2);
print_r($result);
?>

A.

Array ( [d] => yellow )

B.

Array ( [c] => blue )

C.

Array ( [a] => red )

D.

Array ( [e] => yellow )

What is the correct answer?

4

How many ways can a session data be stored?

A. 3

B. 4

C. 5

D. 6

What is the correct answer?

4

What will be the output of the following PHP code?
 <?php  $age = array(Peter=>35, Ben=>37, Joe=>43);
print_r(array_change_key_case($age, CASE_UPPER));
?>

A.

Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )

B.

Array ( [peter] => 35 [ben] => 37 [joe] => 43 )

C.

Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )

D.

Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  /*echo Hello world;
*/ ?>

A. Hello world

B. Nothing

C. Error

D.

/* Hello world */

What is the correct answer?

4

What is the default number of seconds that cached session pages are made available before the new pages are created?

A. 360

B. 180

C. 3600

D. 1800

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 2;
while (++$i){ while ($i --> 0) print $i;
} ?>

A. 210

B. 10

C. no output

D. infinite loop

What is the correct answer?

4

Which of the following PHP statements will output Hello World on the screen?
i) echo (“Hello World”);
ii) print (“Hello World”);
iii) printf (“Hello World”);
iv) sprintf (“Hello World”);


A.

i) and ii)


B.

i), ii) and iii)


C.

All of the mentioned


D.

i), ii) and iv)


What is the correct answer?

4

Which function displays the web pages most recent modification date?

A.

lastmod()

B.

getlastmod()

C.

last_mod()

D.

get_last_mod()