What is the default time(in seconds) for which session data is considered valid?

Question

What is the default time(in seconds) for which session data is considered valid?

A. 1800

B. 3600

C. 1440

D. 1540

Correct Answer :

C. 1440

The

session.gc_maxlifetime

directive determines this duration. It can be set to any required value.

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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)

Discuss this answer

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;
?>

C. ERROR

Discuss this answer

What will be the output of the following PHP code ?

 <?php  $i = 0;
while(++$i || --$i){       print $i;
} ?>

C. 1

D. 0

Discuss this answer

What will be the output of the following PHP code ?

 <?php  define(__LINE__, PHP is a scripting language);
echo __LINE__;
?>

C. 2

D. ERROR

Discuss this answer

Which one of the following is the very first task executed by a session enabled page?

Discuss this answer

What will be the output of the following PHP code ?

 <?php  $i = 2;
while (++$i){       while ($i --> 0)        print $i;
} ?>

A. 210

B. 10

Discuss this answer

PHP files have a default file extension of..

A.

.html

B.

.xml

C.

.php

D.

.ph

E.

.asp

F.

.jsp

Discuss this answer

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

D. ERROR

Discuss this answer

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));
?>

Discuss this answer

Which function displays the web pages most recent modification date?

A.

lastmod()

B.

getlastmod()

C.

last_mod()

D.

get_last_mod()

Discuss this answer

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

Discuss this answer

What will be the output of the following PHP code ?

 <?php  $i = 5;
while (--$i > 0 && ++$i){       print $i;
} ?>

A. 5

C. 54321

D. error

Discuss this answer

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 )

Discuss this answer

What will be the output of the following PHP code? If say date is 22/06/2013.

     <?php      printf( date(t) )     ?>

A. 30

B. 22

C. JUNE

D. 2013

Discuss this answer

What will be the output of the following PHP code ?

 <?php  define(GREETING, PHP is a scripting language, true);
echo GREETING;
echo 
echo GREETING;
?>

Discuss this answer

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));
?>

Discuss this answer

Say you want to calculate the date 45 days from the present date which one of the following statement will you use?

A.

totime(+45)

B.

totime(+45 days)

C.

strtotime(+45 days)

D.

strtotime(-45 days)

Discuss this answer

What will be the output of the following PHP code ?

 <?php  define('GOOD_OCTAL', 0700);
define('BAD_OCTAL', 0600);
print GOOD_OCTAL;
print '
';
print BAD_OCTAL;
?>

C. ERROR

Discuss this answer

What will be the output of the following PHP code ?

 <?php  $i = 5;
while (--$i > 0 || ++$i){       print $i;
} ?>

C. 54321

D. 5

Discuss this answer

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

B. Cookie

Discuss this answer

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)

Discuss this answer

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 )

Discuss this answer

What will be the output of the following PHP code ?

 <?php  $i = 2;
while (++$i){       while (--$i > 0)        print $i;
} ?>

A. 210

B. 10

Discuss this answer

What will be the output of the following PHP code ?

 <?php  $color1 = red;
$color2 = red;
echo $color1 + $color2;
?>

C. 0

D. 1

Discuss this answer

What is the default time(in seconds) for which session data is considered valid?

A. 1800

B. 3600

C. 1440

D. 1540

Discuss this answer

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

Discuss this answer

Answer 1

B. testtest

Answer 2

C. testvalue

Answer 3

D. error, constant value cannot be changed

Answer 4

B. infinite loop

Answer 5

C. hihello

Answer 6

D. Invalid

Answer 7

A. 00000000000000000000….infinitely

Answer 8

B. -1-1-1-1-1-1-1-1-1-1…infinitely

Answer 9

C. no output

Answer 10

A. I have a value

Answer 11

B. I have a valueI have a value

Answer 12

D. I have a valueNEW_GOO_NAME_CONSTANTS

Answer 13

A. 1234567891011121314….infinitely

Answer 14

B. 01234567891011121314…infinitely

Answer 15

A. PHP is a scripting language

Answer 16

B. __LINE__

Answer 17

A. Delete the previous session

Answer 18

B. Start a new session

Answer 19

C. Check whether a valid session exists

Answer 20

D. Handle the session

Answer 21

C. no output

Answer 22

D. infinite loop

Answer 23

C. No output

Answer 24

A.

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

Answer 25

B.

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

Answer 26

C.

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

Answer 27

D.

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

Answer 28

A. 3600 sec

Answer 29

B. 3600 min

Answer 30

C. 3600 hrs

Answer 31

D. the browser is restarted

Answer 32

B. 555555555…infinitely

Answer 33

A. PHP is a scripting language

Answer 34

B. GREETING
GREEtING

Answer 35

C. GREETING

Answer 36

D. PHP is a scripting language
PHP is a scripting language

Answer 37

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

Answer 38

B. GREETING_TESt

Answer 39

C. PHP is a scripting language

Answer 40

D. PHP is a scripting language
GREETING_TEST

Answer 41

A. 448
384

Answer 42

B. 0700
0800

Answer 43

D. No output

Answer 44

A. 54321111111….infinitely

Answer 45

B. 555555555…infinitely

Answer 46

A. Session

Answer 47

C. URL rewriting

Answer 48

D. Nothing happens

Answer 49

C. no output

Answer 50

D. infinite loop

Answer 51

A. redgreen

Answer 52

B. red green

What is the default time(in seconds) for which session data is considered valid?

Correct Answer :

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