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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 ) )

Correct Answer :

D.

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


The array_chunk() function splits an array into chunks of new arrays.

Related Questions

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4

Which one of the following is the default PHP session name?

A. PHPSESSID

B. PHPSESID

C. PHPSESSIONID

D. PHPIDSESS

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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 )

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4

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)

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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)


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4

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

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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

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4

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

A. 1800

B. 3600

C. 1440

D. 1540

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4

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

A. red green

B. red

C. green

D. error

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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

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

A. $GREETING

B. no output

C. PHP is a scripting language

D. GREETING

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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

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4

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

A.

Array ( Peter Ben Joe )

B.

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

C.

Array ( 35 37 43 )

D.

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

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

Which function displays the web pages most recent modification date?

A.

lastmod()

B.

getlastmod()

C.

last_mod()

D.

get_last_mod()

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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

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4

What will be the output of the following PHP code?
 <?php  $a = array(a=>red, b=>green, c=>blue);
echo array_shift($a);
print_r ($a);
?>

A.

green

B.

red

C.

redArray( [c] => green [c] => blue )

D.

redArray( [b] => green [c] => blue )

What is the correct answer?

4

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

A. red

B. green

C. red green

D. error

What is the correct answer?

4

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;
?>

A. 448
384

B. 0700
0800

C. ERROR

D. No output

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 )

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4

What will be the output of the following PHP code ?
 <?php  $color1 = red;
$color2 = 1;
$color3 = greyecho $color1 + $color2 . $color3;
?>

A. 1grey

B. grey

C. 0

D. red1grey

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

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)


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4

What will be the output of the following PHP code?
 <?php  $cars = array(Volvo, BMW, Toyota);
echo I like . $cars[0] . , . $cars[1] . and . $cars[2] . .;
?>

A. I like Volvo BMW and Toyota.

B. I like Volvo, BMW and Toyota)

C. I like Volvo, BMW and Toyota.

D. I like. Volvo.,. BMW. and. Toyota)

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4

What will be the output of the following code? If say date is 22/06/2013.
     <?php      echo Today is .date(F d, Y)     ?> 

A. Today is 22 June, 2013

B. Today is 22-06-2013

C. Today is 06-22-2013

D. Today is June 22, 2013

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 */

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4

What will be the output of the following PHP code ?
 <?php  define(VAR_NAME,test);
${VAR_NAME} = value;
echo VAR_NAME;
echo ${VAR_NAME};
?>

A. test

B. testtest

C. testvalue

D. error, constant value cannot be changed

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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  $color1 = red;
$color2 = green;
echo $color1 . $color2;
?>

A. red

B. green

C. red green

D. redgreen

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  $color = red;
echo $color . red ;
?>

A. red red

B. red

C. error

D. nothing