Saturday, November 28, 2015

PHP MCQ



01.
Which parameter of php.ini file will need to be configured to allocate the memory for php script?
A. post_max_size                 B. upload_max_filesize
C. memory_limit                  D. None of the above 
16.
$val1 = “Good”;  $val2 = & $val1; $val2 = “Bad”;
What is the value of $val1?
A. Good      B. Bad    C. GoodBad   D. None of the above     
02.
Write the output:
echo (is_string(“123”));
A. 0        B. 1           C. -1            D. NULL
17.
Write the output:
$x = 2; $y = $x++;  $y = $y + 2; echo $y;
A. 2         B. 3       C. 4     D. 5
03.
How many ways you can declare php tag?
A. 2      B. 3     C. 4      D. 5
18.
Which of the following function has no return value?
A. print      B. printf     C. sprintf      D. echo
04.
Write the output of the following code?
$p = 40;
function add(){
         $p++;
}echo $p;
A. 40         B. 41        C. 42        D. -40
19.
Write the output of the following code?
function add(){
         STATIC $n=5;  $n = $n + 5; 
}
add(); add(); echo $n;
A. 5         B. 10        C. 15        D. 20
05.
Which type specifier is used to print fractional number?
A. %b      B. %d        C. %f       D. %o
20.
How many scalar data types have in PHP?
A. 4        B. 6        C. 7        D. 8 
06.
Write the output:
$str = “Good”; $$str = “Bye”; print ${$str};
A. Good    B. Bye      C. Good Bye    D. GoodBye   
21.
In which loop statement will be always executed al least once?
A. for      B. while       C. do…while        D. foreach
07.
Which of the following is/are the example(s) of compound data types?
A. $a=4.786                  B. $a[0] = 4.765
C. $a->add(5,4)             D. $a = NULL
22.
In which loop total number of iteration is unknown before execution?
A. while     B. do…while        C. for         D. foreach
08.
$n = “php”;    $m = (int)$n
What is the output of $m?
A. 0                               B. 123
C. 121                           D. -1
23.
break statement is used to-
A. end loop execution   B. start loop execution at beginning
C. exit from switch block   D. All of the above      
09.
Write the output of echo (“35 hello 55”+65); statement?
A. 35                             B. 55
C. 100                           D. 120
24.
Which file inclusion function stop the execution pf php script?
A. include()                         B. include_once()
C. require()                          D. require_once()
10.
Which reporting level is used to generate compile time fatal error?
A. E_ERROR                      B.  E_CORE_ERROR
C. E_COMPILE_ERROR   D. E_USER_ERROR
25.
Write the output:
$q = 5;
if ($q <10) echo  $q++;
else   echo $q--;
A. 4        B. 5        C. 6        D. 7   
11.
Which type of function is called by itself?
A. Nesting Function              B. Recursive Function
C. Variable Function             C. All
26.
Which type of sort take function name as a parameter?
A. asort()                          B. ksort()
C.array_multisort()           D. None            
12.
Which type of variable holds the value after the exit function block?
A. Local                                B. Global
C. Static                                C. None
27.
Which are the fundamental concept of Object Oriented Programming?
A. Inheritance                 B. Polymorphism
C. Interface                     D. Encapsulation
13.
instanceof  keyword verifies –
A. Object’s class                   B. Object’s field
C. Object’s method               C. All
28.
A class can implement other –
A. class                                B. interface
C. method                            D. subclass 
14.
Which option(s) is/are true for object oriented programming?
A. Code reusability                     B. Data hiding.
C. Support multiple inheritance. D. All
29.
Which issues are concerned in creating variables?
A. Data  type           B. Scope
C. Naming               D. All
15.
How can you access a field of a class?
A. $this.field-name   B.  $this.$field-name
C. $this->field-name D. $this->$field-name
30.
Which type of scope is only accessible by subclass?
A. private                     B. public
C. protected                  D. final
31.
Which of the following array function randomly reorder the array elements?
A. array_rand()                B. shuffle()
C. array_chunk()              D. array_splice() 
45.
When all classes share a common behavior which is better to use?
A. interface                   B. abstract class
C. concrete class           D. None
32.
Which option is false for constructor?
A. can accept parameter          B. can call other method
C. can call other  constructor   D. none
46.
Any particular member in an array is called –
A. key                  B. element
C. property           D. attribute
33.
What is the default scope of any variable and function?
A. public                       B. private
C. protected                  D. none
47.
Common elements of multiple arrays are retrieved by which array function?
A. array_slice()          B. array_splice()
C. array_diff()            D. array_intersect()
34.
Which class is used to inspect an object?
A. Abstract                        B. final
C. Reflection                     D. subclass
48.
How many methods can be used by Default constructor of Exception class?
A. 2                           B. 4
C. 6                            D. 8
35.
log_errors is related to which type of directive?
A. display_errors              B. display_startup_errors
C. error_log                      D. track_errors
49.
getTrace() method of Exception class return –
A. String                   B. Boolean
C. array                     D. int
36.
To match only numerical character and contain at least two characters which regular expression is/are correct?
A. ([0-9]{2,10})                      B. ([:alnum:]{2,})
C. ([0-9][a-zA-Z]{2,})            D. ([0-9][^a-zA-Z]{2,})
50.
Installed package information can be shown by which command?
A. pear –V                          B. pear info
C. pear list                           D. none      
37.
Which of the following will return true for the regular expression “(^.{5}$)”
A. 55555                                 B. d22323
C. 232y3y                               D. 45gth
51.
What is the output of substr(“Bangladesh”,3,-3)?
A. glad                                  B. desh
C. bang                                 D. gla
38.
$arr = split(“[\n\t]”,“\tGood\n\tbetter\n\tbest”);
print $arr[5];
What is the output?
A. Good                                 B. better
C. best                                    D. all
52.
Which of the following will return true for the regular expression “/^\D+/”?
A. 123dhk                         B. 123456
C. abcd                              D. ert222
39.
$text = “php is popular.”;
$arr1 = array(“/php/”,”/popular/”,”/programming/”);
$arr2 = array(“asp”,”favorite”,”coding”);
echo preg_replace($arr1,$arr2,$text);
What is the output?
A. php is popular                  B. asp is popular
C. php is favorite                  D. asp is favorite
53.
Which of the following function is used to read file by a specified size?

A. fscanf()                        B. readfile()
C. fread()                          D. file()  
40.
What is the output of strcasecmp(“hello”,”hellO”)?
A. 0                                       B. 1
C. -1                                      D. Null
54.
What is the output of strpos(“I like programming”,”like”)?
A. 0                                       B. 1
C. 2                                       D. 3
41.
What is the output of echo strip_tags("<b>php code</b>","<a>")?
A. php code                           B.  php code
C.  php code                          D.  php code
55.
What is the output of echo strspn("1239ab","1123a459")?
A. 4                                     B. 5
C. 6                                      D.7
42.
Which of the following function return array?
A. basename()                      B. dirname()
C. pathinfo()                         D. realpath()
56.
Which function is used to calculate a disk used space?
A. disk_free_space()              B. disk_total_space()
C. disk_used_space()             D. none
43.
filemtime() function returns –
A. access time                       B. change time
C. modification time             D. current time
57.
Which of the following functions are used to write in a file?
A. fseek()                                B. fscanf()
C. fwrite()                                D. fputs()
44.
To read and write file which file mode is/are used?
A. r                                         B. r+
B. w                                        D. w+
58.
To read a single character of a file which function is used?
A. fgets()                                   B. fgetss()
C. fgetc ()                                   D. fgetcsv()
59.
Which packages are required to run pear properly
A. Console_Getopt               B. pear
C. XML_Parser                     D. all
65.
-o option is used to installed package with –
A optional dependencies            B. required dependencies
C. optional and required dependencies  D. none   
60.
Which function returns the type of variable?

(a)   gettype()  (b)   settype()
(c)    ini_set()  (d)    none of the above
66.
<?php
$x=array(1,3,2,3,7,8,9,7,3);
$y=array_count_values($x);
echo $y[8];
?>
a) 43
b) 1
c) 8
d) 6
61.
. If a boolean variable $ alive= 5;
a.      $ alive is false
b.      $ alive is true
c.       $ alive is overflow
d.      the statement is snot valid
67.
.      To produce the output6 I love the summer time, Which of the ofllowing statement should be used?
a.      <? Php print ("<P> I love the summer time</p>"Wink;?>
b.      <? Php $ season="summer time"; print"<p> I love the $ season</p>"; ?>
c.       <?Php $ message="<p> I love the summer time </p>; ecdho $ message; ?>
d.      All of above
62.
Which of the following data type is compound datatype supported by PHP
a.      Array
b.      String
c.       Float
d.      Boolean
68.
)<?php
$x=array("aaa","ttt","www","ttt","yyy","tttt");
$y=array_count_values($x);
echo $y[ttt];
?>
a)2
b)3
c)1
d)4
63.
<?php
$color=array("red","yellow","white");
$x=in_array("black",$color);
if($x==0)
echo "good bye";
if($x==1) echo "Hello";
?>
a)Hello
b) Error
c) good bye
d) None of the above
69.
$father="mother";
$mother="son";
echo $$father;
?>
a) son
b) mother
c) motherson
d) error
64.
PHP is a _____ . It means you do not have to tell PHP which data type the variable is.PHP automatically converts the variable to the correct data type, depending on its value.
a) client side language
b) local language
c) global language
d) loosely typed language
70.
<?php
$x="101.5degrees";
(double)$x;
(int)$x;
echo (string)$x;
?>
a) 101.5
b) degrees
c) 101
d) 101.5degrees
71.
what is the return value of this substr function?
<?php
$rest = substr("abcdef", -1);
$rest = substr("abcdef", 0, -1);
?>
a) f,abcde
b) a,fedcb
c) b,abcdef
d) a,abcde
74.
) $str="3dollars";
$a=20;
$a+=$str;
print($a);
?>
Output ?
a) 23dollars
b) 203dollars
c) 320dollars
d) 23
72.
<?php
define("x","5");
$x=x+10;
echo x;
?>
a) Error
b) 15
c) 10
d) 5
75.
In PHP, which of the following function is used to insert content of one php file into another php file before server executes it
a) include[]
b) #include()
c) include()
d) #include{}
73.
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
c) Null
d) x=42
76.
) In PHP, during error handling include() generates......................
a) a fatal error, and the script will stop
b) a warning, but the script will continue execution
c) None of the above
77.
<?php
$test="3.5seconds";
settype($test,"double");
settype($test,"integer");
settype($test,"string");
print($test);
?>

What is the following output?
a) 3.5
b) 3.5seconds
c) 3
d) 3seconds
82..
<?php
$x=array(2=>"mouse",7=>"keyboard");
$y=array_keys($x);
echo $y[1];
?>
a) keyboard
b) mouse
c) 7
d) 2
78.
$data="98.8degrees";
(double)$data;
(int)$data;
(string)$string;
echo $data;
?>
a) 98
b) 98.8
c) 98.8degrees
d) degrees
83.
) <?php
echo $_SERVER['REMOTE_ADDR'];
?>
a) shows the IP address of the local system
b) shows the IP address of the visitor
c) shows the IP address of the webserver
d) None of the above
79.
Which of the following is not true?
a.       PHP can be used to develop web applications.
b.      PHP makes a website dynamic.
c.       PHP applications can not be compiled.
d.      PHP can not be embedded into html.
84.
fopen($file_doc,”r+”) opens a file for
a.       reading
b.      writing
c.       none of above
d.      both of above
80.
The difference between include() and require()
a.       are different how they handle failure
b.      both are same in every aspects
c.       is include() produced a Fatal Error while require results in a Warning
d.      none of above
85.
The following piece of script will output:
<?
$email=’ admin@example.com This e-mail address is being protected from spambots. You need JavaScript enabled to view it ’;
$new=strstr($email, ‘@’);
print $new;
?>
a.       admin
b.      admin@example
c.       @ example.com
d.      example.com
81.
A variable $word is set to “HELLO WORLD”, which of the following script returns in title case?
a.       echo ucwords($word)
b.      echo ucwords(strtolower($word)
c.       echo ucfirst($word)
d.      echo ucfirst(strtolower($word)
86.
 . On failure of which statement the script execution stops displaying error/warning message?
a.  rinclude ()
b.  require ()
c.  both of above
d.  None of above
87.
You can define a constant by using the define() function. Once a constant is defined
a.       It can never be changed or undefined
b.      It can never be changed but can be undefined
c.       It can be changed but can not be undefined
d.      It can be changed and can be undefined
91.
 In php string data are
a.  delimited by single quote
b.  delimited by double quote
c.  delimited by <<< identifier
d.  All of above
88.
 Which of folowiing variable assignment is 'by value' assignment in PHP
a.  $value1= $value?
b.  $value1= & $value?
c.  $value1= & $value?
d.  None
92.
 The left associative dot operator (.) is used in PHP for
a.  multiplication
b.  concatenation
c.  separate object and its member
d.  delimeter
89.
Which scope is present in method not in field?

(a)   public
(b)   private
(c)    abstract
(d)    protected
93.
Where type hinting works in?

(a)   class
(b)   object
(c)    method
(d)    function
90.
Which option is preferred to immediately open the connection to the syslog?

(a)   LOG_ODELAY
(b)   LOG_NDELAY
(c)    LOG_PID
(d)    None of the above
What is the web server of PHP?

(a)   IIS (Internet information service)
(b)   Apache
(c)    PHPLIB
(d)    PCRE

94.
.<?php
$a=5
$b=5.0
if($a= = =0)
{
Print "sonna";
}
else
{
Print "sania";
}
?>
What will be the out put?

(a)   sonna
(b)   sania
(c)    5 sonna
(d)    5.0 sania

95.
What type file php.ini is?

(a)   Compound text file
(b)   Symbol text file
(c)    Both Compound and simple text file
(d)    None of the above
98.
Which type of function is called by it self?

(a)   Nesting Function
(b)   Recursive Function
(c)    Variable Function
(d)    None of the above

96.
what is output?
<?php
Function a($a="",$b)
{
$d=$a + $b;
Print $d;
}
a(30,40);
?>

(a)   30
(b)   40
(c)    ""40
(d)    70

99.
Which file contains the configuration of apache?

(a)   httpd.conf
(b)   httpd.value
(c)    httpd.flag
(d)    httpd.ini

97.
Which is the maximum number according to natsort of the following..
10, 5,7,20, 3

(a)   20
(b)   10
(c)    5
(d)    7

100.
What is the output?
<?php
$array = array(10,20, 30, 40);
print_r(array_pad($array,-8,0));
?>

(a)   [0]=> 0, [1]=> 0, [2]=> 0, [3]=> 0, [4]=> 10, [5]=> 20, [6]=> 30, [7]=> 40
(b)   [0]=> 10, [1]=> 20, [2]=> 30, [3]=> 40, [4]=> 0, [5]=> 0, [6]=> 0, [7]=> 0
(c)    [0]=> 10, [1]=> 20, [2]=> 0, [3]=> 0, [4]=> 0, [5]=> 0, [6]=> 30, [7]=> 40
(d)    none of the above










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