Online Random Test

Ques 1 : Which of the following function is used to pick one or more random values from PHP Array?

(A) array_random()

(B) Rand_array()

(D) Random_array()

Ques 2 : What's the best way to copy a file from within a piece of PHP?

(A) Print out a message asking your user to "telnet" in to the server and copy the file for you

(B) Open the input and output files, and use read() and write() to copy the data block by block until read() returns a zero

(D) Use "exec" to run an operating system command such as cp (Unix, Linux) or copy (Windows)

Ques 3 :
<? php
$x="display";
${$x.'_result'} ();
?>
Above program will call the function display_result()

(A) False

(B) True

(D) None of the above

Ques 4 : What is the out put ?
<?php $x=array("aaa","ttt","www","ttt","yyy","tttt"); $y=array_count_values($x); echo $y[ttt]; ?>

(A) 2

(B) 3

(D) 4

Ques 5 :
The output of ofllowing script would be

$somerar=15;

function ad it () {

GLOBAL $somevar;

$somerar++ ;

echo "somerar is $somerar";

}
addit ();

(A) somerar is 15

(B) somerar is 16

(D) somerar is $ somerar

Ques 6 :
what will be the output of below code ?
<?php
$arr = array(5 => 1, 12 => 2);
$arr[] = 56;
$arr["x"] = 42;
unset($arr);
echo var_dump($arr);
?>

(A) 42

(B) 56

(D) x=42

Ques 7 : Variable scope on which a variable does not loose its value when the function exists and use that value if the function is called again is: ?

(A) Local

(B) function parameter

(D) None of above

Ques 8 :
what will be the output of below code ?
$arr = array(5 => 1, 12 => 2);
$arr[] = 56;
$arr["x"] = 42;
echo var_dump($arr);
?>

a. array(4) { [5]=>int(1) [12]=> int(2) [13]=> int(56) ["x"]=> int(42) }
b. array(3) { [12]=> int(2) [13]=> int(56) ["x"]=> int(42) }
c. 1,2,56,42
d. 42

(A) a

(B) b

(D) d

Ques 9 :
PHP code is embedded directly into XHTML document?

(A) False

(B) True

Ques 10 : In php string data are ?

(A) delimited by single quote

(B) delimited by double quote

(D) All of above

Ques 11 :
what will be the output of below code ?
<? php
$data="98.8degrees";
(double)$data;
(int)$data;
(string)$string;
echo $data;
?>

(A) 98

(B) 98.8

(D) degrees

Ques 12 : Which of the following is used to check if a function has already been defined?

(A) bool function_exists(functionname)

(B) bool func_exist(functioname)

Ques 13 :
PHP variables are

(A) Single type variable

(B) Multitype variables

(D) Trible type variables

Ques 14 : All variables in PHP start with which symbol?

(A) !

(B) $

(D) %

Ques 15 :
Are there regular expressions in PHP?

(A) Yes - regular expressions use Perl-like conventions

(B) Yes - PHP supports two different types of regular expressions: POSIX-extended and Perl-Compatible Regular Expressions (PCRE).

(D) No - PHP uses "glob" style matching only

Ques 16 : Father of PHP?

(A) Larry Wall

(B) Rasmus Lerdorf

(D) Guido Van Rossum

Ques 17 : Is it possible to submit a form with out a submit button?

(A) Yes

(B) No

Ques 18 : To produce the output I love the summer time, Which of the following statement should be used?
a. <?php print("<P>I love the summer time</p>");?>

b. <?php $season = "summer time"; print("<P>I love the $season</p>"); ?>

c. <?php $message = "I love the $season"; echo $message; ?>

(A) a

(B) a and c

(D) All of the above

Ques 19 : In PHP the error control operator is _______ ?

(A) .

(B) *

(D) &

Ques 20 : Casting operator introduced in PHP 6 is ?

(A) (array)

(B) (int64)

(D) (object)