SA2

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Question

Answer

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 False

True

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Global Variables is declared inside a function and is only available within the function in which it is declared. Group of answer choices False True

False, should be local

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

Global

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You can create your own function inside of a php code Group of answer choices False True

True

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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. Group of answer choices False True

True

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

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

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

True

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Array is used to aggregate a series of similar items together. Group of answer choices False True

True

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

orange

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You can create a function inside of a function Group of answer choices True False

True

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

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

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Sorts by key in reverse order Group of answer choices krsort($array) usort($array) ksort($array) kusort($array)

krsort($array)

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Sorts by a function Group of answer choices krsort($array) usort($array) ksort($array) kusort($array)

usort($array)

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function a($a,$b){ return $a+$b; } echo a(6,5); what is the value of $a? 11 6 Error 5

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prints additional information about the size and type of the values it discovers

var_dump()

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foreach($arr as ______) $value val val$ value$

$value

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sort(), asort(), and ksort() functions are used to sort elements in the array in ascending order. Group of answer choices True False

True

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

Global Variables

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

Error, Count() != count()

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is a statement used to iterate or loop through the element in an array.

foreach()

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

rsort($array)

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PHP array does not need to declare how many elements that the array variable have. Group of answer choices False True

True

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

True

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

function called variable

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

100 pa rin duh

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it is required to create a function name for a function Group of answer choices True False

True

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foreach(____ as $value) Group of answer choices arr$ array $arr arr

$arr

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

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The foreach statement is use to iterate through the element in an array. Group of answer choices False True

True

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Sorts by value; keeps the same key

asort($array)

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Syntax of a function Group of answer choices Param (function name){} Param_function Function name {param} Function name(param){}

Function name(param){}

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

predefined functions

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What is the output? function disp(){ function disp2(){ echo “hello”; } } disp(); disp2();

hello

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Sorts by value in reverse order; keeps the same key

arsort($array)

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

Invalid, no $ before num

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You can pass values to a function and you can ask functions to return a value. Group of answer choices True False

True

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Array can be used as ordinary array same as in C and C++ arrays. Group of answer choices False True

True

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

$key

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Syntax for foreach Group of answer choices foreach($arr){} foreach{}($arr as $value) foreach($value){} foreach($arr as $value){}

foreach($arr as $value){}

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You can use only 10 for Array elements Group of answer choices False True

False

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Local Variables is one that declared outside a function and is available to all parts of the program. Group of answer choices True False

False, should be global

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

still 100

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

local variable

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function keyword is used in PHP to declare a function. Group of answer choices False True

True

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You use can functions in different ways. Group of answer choices True False

True

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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. Group of answer choices Arrays Variables Operators Functions

Functions

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functions that are provided by the user of the program.

user DEFINED function

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

apple

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Functions can only have 1 parameter Group of answer choices True False

False

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asort(), ksort(), arsort(), and krsort() maintains its reference for each values. Group of answer choices True False

True

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

a (referring to function name perhaps)

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

True

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

12345

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

error, Disp() is different from disp()

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You can insert CCS code inside of a function Group of answer choices False True

True

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var_dump function is same as print_r function except it adds additional information about the data of each element. Group of answer choices True False

True

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

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

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A function that is declared inside a function is said to be hidden. Group of answer choices True False

True

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

function called variable

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Array can be used as ordinary array same as in Group of answer choices Python C and C++ Java Ruby

C and C++

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

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return the value length of a string Group of answer choices lenstr lengthstring strlen stringlen

strlen

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Syntax to make a string’s first character uppercase Group of answer choices string ucfirst(string $str) string fsupper(string $str) string firstcu(string $str) string upperfs(string $str)

string ucfirst(string $str)

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Most of the developers used include functions for their Group of answer choices Content Titles Body Footer

Footer / Header

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Syntax to strip HTML and PHP tags from a string.

string strip_tags(string $str [, string $allowable_tags ])

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Including files can use to write their database connection and so on. Group of answer choices False True

True

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Number format can include thousand separator Group of answer choices False True

True

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Make a string’s first character uppercase

ucfirst()

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converts string to lowercase Group of answer choices strlow strtolower stringtolow lowerstr

strtolower

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Syntax for maximum value Group of answer choices mixed big(mixed $value) mixed max(mixed $value) mixed top(mixed $value) mixed high(mixed $value)

mixed max(mixed $value)

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Number format can show or hide the decimal places Group of answer choices False True

True

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Syntax to get a part of a given string string strpart ( string $string , int $start [, int $length ] ) string strsub ( string $string , int $start [, int $length ] ) string substr ( string $string , int $start [, int $length ] )

string substr ( string $string , int $start [, int $length ] )

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In some scripts, a file might be included more than once, causing function redefinitions, variable reassignments, and other possible problems. Group of answer choices False True

True

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Syntax for include once Group of answer choices filename(“include_once”); Include_once(“filename.inc”); Include_once(filename.inc); Include_once(filename.php);

Include_once(“filename.inc”);

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

error

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is a statement used to iterate or loop through the element in an array.

foreach()

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sort(), asort(), and ksort() functions are used to sort elements in the array in ascending order. True False

True

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You can create your own function inside of a php code Group of answer choices False True

True

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

error, cannot call nested functions w/o calling parent func first

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Format character for ISO-8601 numeric representation of the day of the week (added in PHP 5.1.0)

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used to format a local time and date

date()

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Format character for numeric representation of the day of the week

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syntax for position of a string?

int strpos ( string $haystack , mixed $needle [, int $offset = 0 ] ) (correct choice shows strops)

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In including files You may write the file with an extension name of ______ rather than .php to serve as a fragment of your program code.

.inc

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returns part of a given string Group of answer choices strsub partstr strpart substr

substr

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Split a string by string Group of answer choices Explode Implode Unset Destroy

explode

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Syntax to stripped white spaces or other characters from the beginning and end of a string.

string trim(string $str [, string $charlist ])

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Syntax for include Group of answer choices include(filename.inc); filename(“include”); include(filename.php); include(“filename.inc”);

include(“filename.inc”);

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find the position of the first occurrence of a substring in a given string Group of answer choices stringpos strpos posstr posstring

strpos

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$x = max(5.3, 5 , 6, 3);echo $x; What is the output?

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Function can only do something without passing values. Group of answer choices True False

False?

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Array index in PHP can be also called as array storage Group of answer choices True False

False, should be keys

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Sorts by value; assign new numbers as the keys

sort($array)

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

function called undefined variable: s

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Syntax for implode? string implode ( string $glue , array $pieces ) string implode ( array $pieces ) string implode ( int $glue , array $pieces ) string implode ( array $pieces )

string implode ( string $glue , array $pieces ) string implode ( array $pieces )

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$x = floor(5.2);echo $x; What is the output?

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Syntax to strip white spaces or other characters form the end of a string.

string rtrim(string $str [, string $charlist ])

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Format character for a two digit representation of a year Choices: y Y C R

y (lower case)

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$x = ceil(5.2);echo $x; What is the output?

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$x = max(10, 5 , 3, 20);echo $x; What is the output?

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converts the first character of each word in a string to uppercase

ucwords()

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used to generate random integers

rand()

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syntax for reverse a string

string strrev (string $string)

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Syntax for random number with minimum and maximum value Group of answer choices int rand(int $min, int $max) int random(int $min, int $max) int ran(int $min, int $max) int rndm(int $min, int $max)

int rand(int $min, int $max)

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A constant’s value cannot be changed. Group of answer choices False True

True

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Format character for a full number representation of a year, 4 digits

Y (upper case)

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29/30

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

105, $c is not declared as static

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

rsort()

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Syntax of a function Group of answer choices Function name {param} Function name(param){} Param_function Param (function name){}

Function name(param){}

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asort(), ksort(), arsort(), and krsort() maintains its reference for each values. Group of answer choices False True

True

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

True

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Functions are designed to allow you to reuse the same code in different locations. Group of answer choices True False

True

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function disp(){ function disp2(){ echo “hello”; } } disp(); disp2(); what is the output?

hello

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

one

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define(‘Max_n’,10); What is the name of the define function? Group of answer choices Define Max_n Max 10

Max_n

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Syntax for a number format Group of answer choices number_format set_digit number_set format_digit

number_format

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Syntax for require once Group of answer choices require_once(filename.inc); require_once(filename.php); require_once(“filename.inc”); filename(“require_once”);

require_once(“filename.inc”);

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Format character for English ordinal suffix for the day of the month, 2 characters Group of answer choices C D E S

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Format character for a textual representation of the day, three letters Group of answer choices d D DAY day

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syntax to transform a string to upper case Group of answer choices string strupper (string $str) string strtoupper (string $str) string upperstr (string $str) string stringtoupper (string $str)

string strtoupper (string $str)

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There will be a warning text if the include file not found Group of answer choices True False

True

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stripped white spaces or other characters from the beginning and end of a string. Group of answer choices trim() set() get() strip()

trim()

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$x = rand(5,10);echo $x; What is the minimum value of the output? Group of answer choices 0 5 10 Error

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Format character for a full textual representation of the month, such as January or March Group of answer choices M T J F

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$val=234123.456; echo number_format($val); what is the output? Group of answer choices 234,123.46 234,123 234,123.4560 234123.46

234,123 when no other arguments, adds commas and rounds decimals

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Format character for lowercase Ante meridiem and Post meridiem Group of answer choices P a p A

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$x = floor(7.2);echo $x+1; What is the output? Group of answer choices Error 8 9 Blank

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returns the next highest integer by rounding the value upwards Group of answer choices up() ceil() top() high()

ceil()

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Syntax of define Group of answer choices define(‘name’); define(‘NAME’,’value’); define(‘value’); define(‘value,’NAME’’);

define(‘NAME’,’value’);

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$x = min(7, 4.7 , 4.25 , 5);echo $x; What is the output? Group of answer choices 4.7 4.25 7 5

4.25

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Format character for whether it’s a leap year Group of answer choices L y Y l

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Format character for numeric representation of a month, with leading zeroes Group of answer choices r m f n

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$val=643322.7834 echo number_format($val,3,’.’,’,’); what is the output? Group of answer choices 643,322.7834 643322.7834 643,322.783 643322.78

643,322.783

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

100

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Functions can be user defined generally defined by the user of the program and predefined that are build in using libraries. Group of answer choices False True

True

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

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

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destroys the specified variable Group of answer choices destroy implode explode unset

unset

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Syntax for ceil Group of answer choices ceil float ($value) $ceil ($float) $value (ceil) float ceil (float $value)

float ceil (float $value)

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string white spaces or other characters from the beginning of a string

ltrim()

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Syntax that used to format a local time and date Group of answer choices string date(string $format [, int $timestamp = time() ]) string time string $format [, int $timestamp = time() ]) ()

string date(string $format [, int $timestamp = time() ])

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You can separate your PHP file and embed it to your html by using PHP include functions. Group of answer choices True False

True

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$val=356342.783 echo number_format($val,2,’.’,’’); what is the output? 356,342.783 356342.783 356,342.78 356342.78

356342.78

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String number_format( float $number, int _____; ) Group of answer choices $thousands_sep $dec_points $decimals $points

$decimals

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

Nested Function

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PHP has a built-in function to perform operations Group of answer choices False True

True

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Format character for a full textual representation of the day of the week Group of answer choices t l d w

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