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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 */

Correct Answer :

B. Nothing


/* */ is used for commenting multiple lines.

Related Questions

What is the correct answer?

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  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

What is the correct answer?

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

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      echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid');
?>

A. TRUE

B. FALSE

C. Valid

D. Invalid

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

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

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

A. PHP is a scripting language

B. GREETING
GREEtING

C. GREETING

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

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

The date() function returns ___ representation of the current date and/or time.

A. Integer

B. String

C. Boolean

D. Float

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

A. 5

B. 555555555…infinitely

C. 54321

D. error

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

A. red red

B. red

C. error

D. nothing

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

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

A. 1234567891011121314….infinitely

B. 01234567891011121314…infinitely

C. 1

D. 0

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  $a = array(A, Cat, Dog, A, Dog);
print_r(array_count_values($a));
?>

A.

Array ( [A] => 2 [Cat] => 1 [Dog] => 2 )

B.

Array ( [A] => 2 [Cat] => 2 [Dog] => 1 )

C.

Array ( [A] => 1 [Cat] => 1 [Dog] => 2 )

D.

Array ( [A] => 2 [Cat] => 1 [Dog] => 1)

What is the correct answer?

4

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

A. PHPSESSID

B. PHPSESID

C. PHPSESSIONID

D. PHPIDSESS

What is the correct answer?

4

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

A. redgreen

B. red green

C. 0

D. 1

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

What will be the output of the following PHP code ?
 <?php  $i = 0;
while ($i = 10){ print hi;
}print hello;
?>

A. hello

B. infinite loop

C. hihello

D. error

What is the correct answer?

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

What is the correct answer?

4

Which of the following must be installed on your computer so as to run PHP script?
i) Adobe Dreamweaver
ii) PHP
iii) Apache
iv) IIS


A.

All of the mentioned.


B.

Only ii)


C.

ii) and iii)


D.

ii), iii) and iv)


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)

What is the correct answer?

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)

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  $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)

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()

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  class myObject { }define('myObject::CONSTANT', 'test');
echo myObject::CONSTANT;
?>

A. test

B. error

C. myObject::CONSTANT

D. no output