$4cso1-PhpQuiz

What is the correct way to declare a variable in PHP?

• int $varName

• $varName

• declare $varName

• var $varName

What will be the output of the following PHP code?
<?php

$x = "Hello";
$y = 'World';
echo $x . " " . $y;
?>

• HelloWorld

• Hello World

• Error

• Hello+World

Consider the PHP array:
$arr = array(1, 2, 3, 4);
What is the correct way to access the third element?

• $arr[2]

• $arr[3]

• $arr(3)

• $array[2]

Whats the output of the below code?

<?php for ($i = 0; $i <= 10; $i++) {

echo $i; } echo $i;

?>

• 0,1,2,3,4,5,6,7,8,9,10,11

• No Error

• Syntax error in loop

• Undefined variable outside loop

What method should be used to send sensitive data in a form?

• GET

• POST

• PUT

• DELETE

Which function is used to erase all session variables stored in the current session?

• session_destroy()

• session_change()

• session_remove()

• session_unset()

Which one of the following statements should you use to set the session username to "SAM"

• $SESSION[‘username’] = “SAM”;

• $_SESSION[‘username’] = “SAM”;
  

• session_start(“SAM”);
  

• $SESSION_START[“username”] = “SAM”;

What will be the output of the following PHP code?

unset($_SESSION['username']);

printf("Username now set to: %s", $_SESSION['username']);

• Username now set to: SAM

• Username now set to: System

• Username now set to:

• Error

What is the default value of enctye attribute?

• application/x-www-form-urlencoded

• multipart/form-data

• text/plain

• what is enctype?

In PHP how to handle the incoming file from client browser, if the form contains input tag as below

<input type="file" name="fileUpload" >

• $_FILES["fileUpload"]

• $_FILES["file"]

• $FILE[fileUpload]

• None