Question 1

______________________________________________________________________

Accepted Answer

(2 wrong)

Question 2

$mo = array(“jan”,”feb”,”mar”); echo “

”;
var_dump ($mo);
echo “

”; Check the code if valid or invalid?

Accepted Answer

Valid

Question 3

Function can have a return value

Accepted Answer

True

Question 4

Using foreach statement you can display both the keys and value of each element in the array.

Accepted Answer

True

Question 5

Global Variables is declared inside a function and is only available within the function in which it is declared.

Accepted Answer

False

Question 6

Syntax of a function

Accepted Answer

Function name(param){}

Question 7

Local Variables is one that declared outside a function and is available to all parts of the program.

Accepted Answer

False

Question 8

function a($a,$b){ return $a+$b; } echo a(5,4); what is the name of the parameter?

Accepted Answer

$a and $b - should be correct but is wrong; try a

Question 9

functions that are built-in into PHP to perform some standard operations

Accepted Answer

Predefined functions

Question 10

You can create a function inside of a function

Accepted Answer

True

Question 11

Sorts by key

Accepted Answer

ksort($array)

Question 12

is a group of PHP statements that performs a specific task. Functions are designed to allow you to reuse the same code in different locations.

Accepted Answer

Functions

Question 13

You can pass values to a function and you can ask functions to return a value.

Accepted Answer

True

Question 14

Sorts by value; keeps the same key

Accepted Answer

asort($array)

Question 15

foreach($arr as ___ => $value){ //do something }

Accepted Answer

$key

Question 16

Sorts by value in reverse order; keeps the same key

Accepted Answer

arsort($array)

Question 17

ksort() and krsort() used to sort elements by values.

Accepted Answer

False(Sorted by keys)

Question 18

function is used to print the array structure.

Accepted Answer

print_r

Question 19

functions are commonly used for debugging. The point of this of these functions is to help you visualize what’s going on with compound data structures like arrays.

Accepted Answer

print_r() and var_dump()

Question 20

We use static keyword to declare a variable inside a function that will act as accumulator variable this will let the program remember the last value of the variable that was used.

Accepted Answer

True

Question 21

foreach($arr as ______)

Accepted Answer

$value

Question 22

_______________________________________________________________________

Accepted Answer

(1 wrong)

Question 23

function a($a,$b){
return $a+$b;
}
echo a(6,5);
what is the value of $a?

Accepted Answer

6

Question 24

Array index in PHP can be also called

Accepted Answer

Array keys

Question 25

Array index in PHP can be also called as array storage

Accepted Answer

False

Question 26

Array can be used as ordinary array same as in C and C++ arrays.

Accepted Answer

True

Question 27

Functions can only have 1 parameter

Accepted Answer

False

Question 28

$fruit = array(“orange”,”apple”,”grape”,”banana”);
What is the value of index 1?

Accepted Answer

apple

Question 29

references a corresponding value.

Accepted Answer

Array index

Question 30

$g = 200;
function a(){echo “5”;}
function b(){echo “4”;}
ab();
what is the output of the code?

Accepted Answer

error

Question 31

Array can be used as ordinary array same as in

Accepted Answer

C and C++

Question 32

What do you call a function inside of a function

Accepted Answer

Nested function

Question 33

$g = 200; function a(){echo “5”;} function b(){echo “4”;} a(); what is the output of the code?

Accepted Answer

5

Question 34

$fruit = array(“orange”,”apple”,”grape”,”banana”);
What is the value of index 0?

Accepted Answer

orange

Question 35

Function count($val){ static $c = 0; $c += $val; echo  $c; } Count(4); Count(3); What is the output of the code?

Accepted Answer

Error

Question 36

$s = “variable”; function f(){ global $s; echo “function called ”; echo “$s”; } f(); what is the output of the code?

Accepted Answer

function called variable

Question 37

The foreach statement is use to iterate through the element in an array.

Accepted Answer

True

Question 38

var_dump function is same as print_r function except it adds additional information about the data of each element.

Accepted Answer

True

Question 39

_______________________________________________________________________

Accepted Answer

(2 wrong)

Question 40

$g = 200;
function a(){echo “5”;}
function b(){echo “4”;}
a();b();
what is the output of the code?

Accepted Answer

54

Question 41

Each member of the array index references a corresponding value and can be a simple numerical reference to the value’s position in the series, or it could have some direct correlation to the value.

Accepted Answer

True

Question 42

A function that is declared inside a function is said to be hidden.

Accepted Answer

False(Nested function)

Question 43

$f = array(
'102' => "red",
'101' => "blue",
'100' => "yellow");
ksort($f);
print_r($f);
What is the key of the yellow?

Accepted Answer

100

Question 44

$f = array( '102' => "red", '101' => "blue", '100' => "yellow"); krsort($f); print_r($f); What is the output of the code?

Accepted Answer

Array ( [102] => red [101] => blue [100] => yellow )

Question 45

Function count($val){ $c = 0; $c += $val; echo  $c; } count(10); count(5); What is the output of the code?

Accepted Answer

Error

Question 46

$fruit = array(“orange”,”apple”,”grape”,”banana”);
What is the value of index 2?

Accepted Answer

grape

Question 47

function keyword is used in PHP to declare a function.

Accepted Answer

True

Question 48

$num=array(1,2,3,4,5);
foreach($num as $val){
                echo $val;
}
What is the output of the code?

Accepted Answer

12345

Question 49

is used to retain the values calls to the same function.

Accepted Answer

Static variables

Question 50

You can create your own function inside of a php code

Accepted Answer

True

Question 51

To gain access to a variable that is outside from the function we use the global keyword.

Accepted Answer

True

Question 52

foreach($arr as ___ => $value){ //do something }

Accepted Answer

$key

Question 53

functions that are provided by the user of the program.

Accepted Answer

User defined function

Question 54

is declared inside a function and is only available within the function in which it is declared.

Accepted Answer

Local variables

Question 55

function disp(){
function disp2(){
        echo “hello”;
}
}
disp();
disp2();

Accepted Answer

hello

Question 56

You use can functions in different ways.

Accepted Answer

True

Question 57

Sorts by a function

Accepted Answer

usort($array)

Question 58

This takes an argument of any type and prints it out, which includes printing all its parts recursively.

Accepted Answer

print_r()

Question 59

function disp(){ function disp2(){ echo “hello”; } } disp(); disp2();

Accepted Answer

hello

Question 60

Array is used to aggregate a series of similar items together.

Accepted Answer

True

Question 61

param – is the formal parameters of the function. Parameter must follow the rule of naming dentifier.

Accepted Answer

True

Question 62

Syntax for foreach

Accepted Answer

foreach($arr as $value){}

Question 63

Id the keyword used to declare a function

Accepted Answer

function

Question 64

$f = array(
'102' => "red",
'101' => "blue",
'100' => "yellow");
krsort($f);
print_r($f);
What is the output of the code?

Accepted Answer

Array ( [102] => red [101] => blue [100] => yellow )

M3 - AppDev

FA3(20/20)APPLICATION DEVELOPMENT AND EMERGING TECHNOLOGIES/CCS0043

Question	Answer
______________________________________________________________________	(2 wrong)
$mo = array(“jan”,”feb”,”mar”); echo “<pre>”; var_dump ($mo); echo “</pre>”; Check the code if valid or invalid?	Valid
Function can have a return value	True
Using foreach statement you can display both the keys and value of each element in the array.	True
Global Variables is declared inside a function and is only available within the function in which it is declared.	False
Syntax of a function	Function name(param){}
Local Variables is one that declared outside a function and is available to all parts of the program.	False
function a($a,$b){ return $a+$b; } echo a(5,4); what is the name of the parameter?	$a and $b - should be correct but is wrong; try a
functions that are built-in into PHP to perform some standard operations	Predefined functions
You can create a function inside of a function	True
Sorts by key	ksort($array)
is a group of PHP statements that performs a specific task. Functions are designed to allow you to reuse the same code in different locations.	Functions
You can pass values to a function and you can ask functions to return a value.	True
Sorts by value; keeps the same key	asort($array)
foreach($arr as ___ => $value){ //do something }	$key
Sorts by value in reverse order; keeps the same key	arsort($array)
ksort() and krsort() used to sort elements by values.	False(Sorted by keys)
function is used to print the array structure.	print_r
functions are commonly used for debugging. The point of this of these functions is to help you visualize what’s going on with compound data structures like arrays.	print_r() and var_dump()
We use static keyword to declare a variable inside a function that will act as accumulator variable this will let the program remember the last value of the variable that was used.	True
foreach($arr as ______)	$value
_______________________________________________________________________	(1 wrong)
function a($a,$b){ return $a+$b; } echo a(6,5); what is the value of $a?	6
Array index in PHP can be also called	Array keys
Array index in PHP can be also called as array storage	False
Array can be used as ordinary array same as in C and C++ arrays.	True
Functions can only have 1 parameter	False
$fruit = array(“orange”,”apple”,”grape”,”banana”); What is the value of index 1?	apple
references a corresponding value.	Array index
$g = 200; function a(){echo “5”;} function b(){echo “4”;} ab(); what is the output of the code?	error
Array can be used as ordinary array same as in	C and C++
What do you call a function inside of a function	Nested function
$g = 200; function a(){echo “5”;} function b(){echo “4”;} a(); what is the output of the code?	5
$fruit = array(“orange”,”apple”,”grape”,”banana”); What is the value of index 0?	orange
Function count($val){ static $c = 0; $c += $val; echo $c; } Count(4); Count(3); What is the output of the code?	Error
$s = “variable”; function f(){ global $s; echo “function called ”; echo “$s”; } f(); what is the output of the code?	function called variable
The foreach statement is use to iterate through the element in an array.	True
var_dump function is same as print_r function except it adds additional information about the data of each element.	True
_______________________________________________________________________	(2 wrong)
$g = 200; function a(){echo “5”;} function b(){echo “4”;} a();b(); what is the output of the code?	54
Each member of the array index references a corresponding value and can be a simple numerical reference to the value’s position in the series, or it could have some direct correlation to the value.	True
A function that is declared inside a function is said to be hidden.	False(Nested function)
$f = array( '102' => "red", '101' => "blue", '100' => "yellow"); ksort($f); print_r($f); What is the key of the yellow?	100
$f = array( '102' => "red", '101' => "blue", '100' => "yellow"); krsort($f); print_r($f); What is the output of the code?	Array ( [102] => red [101] => blue [100] => yellow )
Function count($val){ $c = 0; $c += $val; echo $c; } count(10); count(5); What is the output of the code?	Error
$fruit = array(“orange”,”apple”,”grape”,”banana”); What is the value of index 2?	grape
function keyword is used in PHP to declare a function.	True
$num=array(1,2,3,4,5); foreach($num as $val){ echo $val; } What is the output of the code?	12345
is used to retain the values calls to the same function.	Static variables
You can create your own function inside of a php code	True
To gain access to a variable that is outside from the function we use the global keyword.	True
foreach($arr as ___ => $value){ //do something }	$key
_______________________________________________________________________
functions that are provided by the user of the program.	User defined function
is declared inside a function and is only available within the function in which it is declared.	Local variables
function disp(){ function disp2(){ echo “hello”; } } disp(); disp2();	hello
You use can functions in different ways.	True
Sorts by a function	usort($array)
This takes an argument of any type and prints it out, which includes printing all its parts recursively.	print_r()
function disp(){ function disp2(){ echo “hello”; } } disp(); disp2();	hello
Array is used to aggregate a series of similar items together.	True
param – is the formal parameters of the function. Parameter must follow the rule of naming dentifier.	True
Syntax for foreach	foreach($arr as $value){}
Id the keyword used to declare a function	function
_______________________________________________________________________
$f = array( '102' => "red", '101' => "blue", '100' => "yellow"); krsort($f); print_r($f); What is the output of the code?	Array ( [102] => red [101] => blue [100] => yellow )
$t = 100; function one(){ echo “1000”; } one(); what is the value of the $t after execute the code?	100
Functions can be user defined generally defined by the user of the program and predefined that are build in using libraries.	True
function a($a,$b){ return $a+$b; } echo a(5,4); what is the output of the code?	9
is used to aggregate a series of similar items together, arranging and dereferencing them in some specific way.	Array
$t = 100; function one(){ echo “value”; } one(); what is the function name inside of the code?	one
foreach(____ as $value)	$arr
Sorts by value in reverse order; assign new number as the keys	rsort($array)
$g = 200; function a(){echo “5”;} function b(){echo “4”;} a(); what is the value of the $g?	200
$s = “variable”; function f(){ echo “function called ”; echo “$s”; } f(); what is the output of the code?	function called undefined variable: s
asort() and arsort() used to sort elements by keys.	False(Sorted by values)
_______________________________________________________________________	(1 wrong)
You can use only 10 for Array elements	False
specify an array expression within a set of parenthesis following the foreach keyword.	True
$fruit = array(“orange”,”apple”,”grape”,”banana”); What is the value of index 3?	banana
Sorts by key in reverse order	krsort($array)
is a statement used to iterate or loop through the element in an array.	foreach()
Function can only do something without passing values.	True
$a[]=”mango”; $a[]=”apple”; $a[]=”banana”; Check the code if valid or invalid?	Valid
_______________________________________________________________________	(2 wrong) wtf????
sort() and rsort() does not maintain its index reference for each values.	True
What is the keyword use to gain access a variable that is outside of the function?	Global
function disp(){ function disp2(){ echo “hello”; } } Disp(); disp2();	error
Function can be put anywhere of the code	True
sort(), asort(), and ksort() functions are used to sort elements in the array in ascending order.	True
Functions are limited to 1 per code only	False
_______________________________________________________________________
PHP array does need to declare how many elements that the array variable have.	False
PHP has a built-in function to perform operations	True
$g = 200; function a(){echo “5”;} function b(){echo “4”;} b(); what is the output of the code?	4
$mo = array(“jan”,”feb”,”mar”); echo “<pre>”; print_r ($mo); echo “</pre>”; Check the code if valid or invalid?	Valid
_______________________________________________________________________
Sorts by value; assign new numbers as the keys	sort($array)
Functions is a group of PHP statements that performs a specific task.	True
_______________________________________________________________________
asort(), ksort(), arsort(), and krsort() maintains its reference for each values.	True
function disp(){ function disp2(){ echo “hello”; } } disp2();	error
it is required to create a function name for a function	True
Array index is also known as Array Keys.	True
rsort(), arsort(), and krsort() functions are used to sort elements in the array in descending order.	True

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