Question 1

$t = 100;
function one(){
            echo "1000";
}
one();
what is the value of the $t after execute the code?

Accepted Answer

100

Question 2

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

Accepted Answer

Local variables

Question 3

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

Accepted Answer

5

Question 4

$t = 100;
function one(){
                echo “value”;
}
one();
what is the function name inside of the code?

Accepted Answer

one

Question 5

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

”;
var_dump ($mo);
echo “

”; Check the code if valid or invalid?

Accepted Answer

Valid

Question 6

Functions are limited to 1 per code only 
True or False

Accepted Answer

False

Question 7

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

Accepted Answer

orange

Question 8

$a[]=”mango”;
$a[]=”apple”;
$a[]=”banana”;
Check the code if valid or invalid?

Accepted Answer

Valid

Question 9

What do you call a function inside of a function
Group of answer choices

Loop function
Function fun
Double function
Nested function

Accepted Answer

Nested function

Question 10

rsort(), arsort(), and krsort() functions are used to sort elements in the array in descending order.
True or False

Accepted Answer

True

Question 11

specify an array expression within a set of parenthesis following the foreach keyword.
True or False

Accepted Answer

False

Question 12

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_c() and var_info()
print_p() and var_add()
print_r() and var_dump()

Accepted Answer

print_r() and var_dump()

Question 13

$fruit = array(“orange”,”apple”,”grape”,”banana”);
What is the value of index 3?

Accepted Answer

banana

Question 14

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 or False

Accepted Answer

True

Question 15

PHP has a built-in function to perform operations
True or False

Accepted Answer

True

Question 16

function keyword is used in PHP to declare a function.
True or False

Accepted Answer

True

Question 17

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

Accepted Answer

True

Question 18

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

Accepted Answer

error

Question 19

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 or False

Accepted Answer

True

Question 20

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

Accepted Answer

200

Question 21

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

Accepted Answer

print_r()

Question 22

Sorts by value; keeps the same key

rsort($array)
sort($array)
arsort($array)
asort($array)

Accepted Answer

asort($array)

Question 23

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

Accepted Answer

105

Question 24

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

Accepted Answer

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

Question 25

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

Accepted Answer

error

Question 26

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

Accepted Answer

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

Question 27

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

Accepted Answer

function called undefined variable: s

Question 28

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 29

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

Accepted Answer

False

Question 30

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

Accepted Answer

True

Question 31

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 32

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

Accepted Answer

False

Question 33

What is the keyword use to gain access a variable that is outside of the function?


Call
Default
Global
Overall

Accepted Answer

Global

Question 34

Sorts by key in reverse order

Accepted Answer

krsort($array)

Question 35

function is used to print the array structure.

Accepted Answer

print_r()

Question 36

Array index in PHP can be also called as array storage

True or False

Accepted Answer

False

Question 37

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

Accepted Answer

Static variables

Question 38

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

Accepted Answer

hello

Question 39

asort(), ksort(), arsort(), and krsort() maintains its reference for each values.

True or False

Accepted Answer

True

Question 40

Function can have a return value

True or False

Accepted Answer

True

Question 41

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

Accepted Answer

Global variables

Question 42

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

Accepted Answer

100

Question 43

foreach($arr as ___ => $value){
//do something
}

$set
$key
$var
$get

Accepted Answer

$key

Question 44

PHP array does not need to declare how many elements that the array variable have.

True or False

Accepted Answer

True

Question 45

PHP array does need to declare how many elements that the array variable have

True or False

Accepted Answer

False

Question 46

is a statement used to iterate or loop through the element in an array.

everyone()
everyeach()
foreach()
seteach()

Accepted Answer

foreach()

Question 47

foreach(____ as $value)

$arr
arr
arr$
array

Accepted Answer

$arr

Question 48

$g = 200;
function a(){echo “5”;}
function b(){echo “4”;}
ab();
what is the output of the code?

54
200
error
45

Accepted Answer

error

Question 49

$num=array(1,2,3,4,5);
foreach($num as $val){
                echo $val;
}
What is the output of the code?

Error
1
12345
5

Accepted Answer

12345

Question 50

asort() and arsort() used to sort elements by keys.

True or False

Accepted Answer

False

Question 51

Sorts by value in reverse order; assign new number as the keys

Accepted Answer

rsort($array)

Question 52

Sorts by a function

Accepted Answer

usort($array)

Question 53

Array index is also known as Array Keys.

True or False

Accepted Answer

True

Question 54

functions that are provided by the user of the program.

Program function
User defined function
User function
Predefined function

Accepted Answer

User defined function

Question 55

function a($a,$b){
return $a+$b;
}
echo a(5,4);
what is the output of the code?

9
5
Error
4

Accepted Answer

9

Question 56

it is required to create a function name for a function

True or False

Accepted Answer

True

Question 57

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

”;
print_r ($mo);
echo “

”; Check the code if valid or invalid?

Accepted Answer

Invalid

Question 58

references a corresponding value.

Array index
Array number
Array setting
Array collection

Accepted Answer

Array index

Question 59

$num=array(1,2,3,4,5);
foreach(num as $val){
                echo $val;
}
Check the code if valid or invalid?

Accepted Answer

Invalid

Question 60

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

Accepted Answer

True

Question 61

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

Accepted Answer

6

Question 62

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

Accepted Answer

True

Question 63

Function can be put anywhere of the code

Accepted Answer

True

Question 64

Functions can only have 1 parameter

Accepted Answer

False

App Dev

SA2

Question	Answer
$t = 100; function one(){ echo "1000"; } one(); what is the value of the $t after execute the code?	100
It is declared inside a function and is only available within the function in which it is declared.	Local variables
$g = 200; function a(){echo “5”;} function b(){echo “4”;} a(); what is the output of the code?	5
$t = 100; function one(){ echo “value”; } one(); what is the function name inside of the code?	one
$mo = array(“jan”,”feb”,”mar”); echo “<pre>”; var_dump ($mo); echo “</pre>”; Check the code if valid or invalid?	Valid
Functions are limited to 1 per code only True or False	False
$fruit = array(“orange”,”apple”,”grape”,”banana”); What is the value of index 0?	orange
$a[]=”mango”; $a[]=”apple”; $a[]=”banana”; Check the code if valid or invalid?	Valid
What do you call a function inside of a function Group of answer choices Loop function Function fun Double function Nested function	Nested function
rsort(), arsort(), and krsort() functions are used to sort elements in the array in descending order. True or False	True
specify an array expression within a set of parenthesis following the foreach keyword. True or False	False
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_c() and var_info() print_p() and var_add() print_r() and var_dump()	print_r() and var_dump()
$fruit = array(“orange”,”apple”,”grape”,”banana”); What is the value of index 3?	banana
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 or False	True
PHP has a built-in function to perform operations True or False	True
function keyword is used in PHP to declare a function. True or False	True
A function that is declared inside a function is said to be hidden. True or False	True
function disp(){ function disp2(){ echo “hello”; } } Disp(); disp2(); error disp blank hello	error
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 or False	True
$g = 200; function a(){echo “5”;} function b(){echo “4”;} a(); what is the value of the $g?	200
This takes an argument of any type and prints it out, which includes printing all its parts recursively.	print_r()
Sorts by value; keeps the same key rsort($array) sort($array) arsort($array) asort($array)	asort($array)
Function count($val){ $c = 0; $c += $val; echo $c; } count(10); count(5); What is the output of the code?	105
$f = array( '102' => "red", '101' => "blue", '100' => "yellow"); krsort($f); print_r($f); What is the output of the code?	Array ( [102] => red [101] => blue [100] => yellow )
function disp(){ function disp2(){ echo “hello”; } } disp2();	error
$f = array( '102' => "red", '101' => "blue", '100' => "yellow"); ksort($f); print_r($f); What is the output of the code?	Array ( [100] => yellow [101] => blue [102] => red )
$s = “variable”; function f(){ echo “function called ”; echo “$s”; } f(); what is the output of the code? function called function called undefined variable: s function called variable function variable	function called undefined variable: s
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
ksort() and krsort() used to sort elements by values. True or False	False
Using foreach statement you can display both the keys and value of each element in the array. True or False	True
Function count($val){ static $c = 0; $c += $val; echo $c; } Count(4); Count(3); What is the output of the code?	error
Global Variables is declared inside a function and is only available within the function in which it is declared. True or False	False
What is the keyword use to gain access a variable that is outside of the function? Call Default Global Overall	Global
Sorts by key in reverse order	krsort($array)
function is used to print the array structure.	print_r()
Array index in PHP can be also called as array storage True or False	False
is used to retain the values calls to the same function.	Static variables
function disp(){ function disp2(){ echo “hello”; } } disp(); disp2();	hello
asort(), ksort(), arsort(), and krsort() maintains its reference for each values. True or False	True
Function can have a return value True or False	True
is one that declared outside a function and is available to all parts of the program.	Global variables
$f = array( '102' => "red", '101' => "blue", '100' => "yellow"); ksort($f); print_r($f); What is the key of the yellow? 100 Error 102 101	100
foreach($arr as ___ => $value){ //do something } $set $key $var $get	$key
PHP array does not need to declare how many elements that the array variable have. True or False	True
PHP array does need to declare how many elements that the array variable have True or False	False
is a statement used to iterate or loop through the element in an array. everyone() everyeach() foreach() seteach()	foreach()
foreach(____ as $value) $arr arr arr$ array	$arr
$g = 200; function a(){echo “5”;} function b(){echo “4”;} ab(); what is the output of the code? 54 200 error 45	error
$num=array(1,2,3,4,5); foreach($num as $val){ echo $val; } What is the output of the code? Error 1 12345 5	12345
asort() and arsort() used to sort elements by keys. True or False	False
Sorts by value in reverse order; assign new number as the keys	rsort($array)
Sorts by a function	usort($array)
Array index is also known as Array Keys. True or False	True
functions that are provided by the user of the program. Program function User defined function User function Predefined function	User defined function
function a($a,$b){ return $a+$b; } echo a(5,4); what is the output of the code? 9 5 Error 4	9
it is required to create a function name for a function True or False	True
$mo = array(“jan”,”feb”,”mar”); echo “<pre>”; print_r ($mo); echo “</pre>”; Check the code if valid or invalid?	Invalid
references a corresponding value. Array index Array number Array setting Array collection	Array index
$num=array(1,2,3,4,5); foreach(num as $val){ echo $val; } Check the code if valid or invalid?	Invalid
You can pass values to a function and you can ask functions to return a value. True or False	True
function a($a,$b){ return $a+$b; } echo a(6,5); what is the value of $a?	6
param – is the formal parameters of the function. Parameter must follow the rule of naming dentifier. True or False	True
Function can be put anywhere of the code	True
Functions can only have 1 parameter	False
Syntax for foreach foreach($arr as $value){} foreach($arr){} foreach{}($arr as $value) foreach($value){}	foreach($arr as $value){}
---- f4 ------	--------------
To gain access to a variable that is outside from the function we use the global keyword. True or False	True
$s = “variable”; function f(){ global $s; echo “function called ”; echo “$s”; } f(); function called function called variable function variable function called undefined variable: s	function called variable
Which of the following is not part of function for array manipulation Unset Destroy Explode Implode	Destroy
reverse a given string stringrev revstr strrev revstring	strrev
Same as include function except it includes the file only once. require_once require include include_once	include_once
Syntax for unset void unset (void $var) void unset ( mixed $var [, mixed $...] ) mixed unset (mixed unset) mixed unset (void $var)	void unset ( mixed $var [, mixed $...] )
Syntax for require once require_once(filename.inc); filename(“require_once”); require_once(filename.php); require_once(“filename.inc”);	require_once(“filename.inc”);
Format character for day of the month without leading zeros m d z j	j
$x = rand(5,10);echo $x; What is the maximum value of the output?	10
Format character for English ordinal suffix for the day of the month, 2 characters C S D E	S
$x = ceil(10.01);echo $x; What is the output?	11
find the position of the first occurrence of a substring in a given string stringpos strpos posstr posstring	strpos
Format character for whether it’s a leap year	L
Same as require function except it includes the file only once.	require_once
Syntax for include include(filename.inc); filename(“include”); include(“filename.inc”); include(filename.php);	include(“filename.inc”);

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