PHP

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PHP

Test su PHP valido per il CLIL

On screen is printed "Ave Cesare, morituri te salutant". Which is the best script to do this?

$nome = "Cesare"; echo "Ave".$nome.", morituri te salutant";

$nome = "Cesare"; print "Ave $nome, morituri te salutant";

$nome = "Cesare"; echo "Ave '$nome', morituri te salutant";

$nome = "Cesare"; echo ("Ave $nome, morituri te salutant");

$nome = "Cesare"; echo "Ave $nome, morituri te salutant";

PHP scripts are surrounded by delimiters, which?

<?php ... /?php>

<?php ... ?>

<&> ... </&>

<?php> ... </?>

Clear selection

The die() and exit() functions ...

kill apache service

interrupt the coding parsing of script

close database connection

close client browser

Clear selection

How do you get information from a form that is submitted using the "get" method?

$_SESSION

$_COOKIE

$_POST

$_GET

$_REQUEST

Which is not a valid super-global variable?

$_COOKIE

$_INFO

$_POST

$_SESSION

$_FILE

mysqli_real_escape_string is used for:

Manage db query errors

Declare a table filed type as real

Quit connectio from db

Create a view on db

Prevent sql injection

Clear selection

How do you write "Hello World" in PHP?

<p>Hello World</p>

Console.WriteLine("Hello World!");

echo "Hello World";

System.out.println("Hello, World!");

cout << "Hello World";

Clear selection

JSON is usefull to:

Perform fast query

Expose db data in universal and simple way

Print data in simple way to read by human

Give XML format to db data

Clear selection

What is correct syntax of connecting to a MySql database

mysqli_connect("localhost",$username,$password)

connect_mysqli($username,$password)

mysqli_query($connection, $query)

mysqli_connect($username,$password)

mysqli_connect($db,$username,$password)

Clear selection

What is the correct way to create a function called "Main" in PHP?

function Main()

int Main()

function Main

int function Main

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AJAX is usable

Only by PHP

Only by JQuery

Only by JS

Only by HTML

None of these

Clear selection

Which of the following is true about _$_GET & $_POST methods

POST variables can not be accessed by $_REQUEST[] Server side array

Are methods to access object in OOP program

Using POST, you can hide form data from being viewed on address bar or browse

GET will not show variables in URL of address bar of browser

Methods to send and receice mail

Clear selection

$var = 'false'; if ($var) {echo 'true';} else {echo 'false';}

False

True

Other:

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What is a correct way to add a comment in PHP?

<?-- ... -->

''' ... '''

// .....

*/ ... /*

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When using the POST method, variables are displayed in the URL

true

false

none of these

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AJAX is

A performant way to to query

A football team

a way to load HTML interface code

a way to get page or result page without load/reload another script

Clear selection

Cognome, nome, classe *

Function isset() is usefull

to include a script

to check POST or GET variable

to check if a script is included/required

to check if function is already declared

to check if variable has a suitable value

Clear selection

What is the correct way to include the file "config.php" ?

<?php #include(config.php); ?>

<?php include(config.php); ?>

<?php include("config.php"); ?>

<?php include:config.php; ?>

<?php Include_once("config.php"); ?>

How do you create a cookie in PHP?

$_COOKIE['pippo']= true;

makecookie(...)

isset($_COOKIE[])

setcookie(...)

createcookie(...)

Clear selection

$a = array( 'a'=>2, 'pippo' => 'b', 'two' => 'c', 'd'=>23);

is an invalid array declaration

is associative vector

none of these

is numeric indexed vector

is a valid array declaration

All variables in PHP start with which symbol?

Clear selection

The PHP syntax is most similar to:

JavaScript

Python

C/C++

HTML

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What is the correct way to end a PHP line?

;

</php>

</?>

<br>

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Sessions are usefull to:

Storage variable when browser is closed and reopened later

Storage files to upload

none of these

Storage variable across script/page

Storage cookies

Clear selection

Consider this code: <?php <html><body><h1>Hello World</h1></body></html> ?>. What is result?

Print Hello World on the browser

Print Hello World in the tab of the browser

Print Hello World in the tab and the page

Cast an error

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