Zend PHP 5 Certification (200-500) Practice Test

Questions # 11:

What piece of code would you use to obtain an array of response headers for a given URL, indexed by their respective names?

Options:

get_headers($url);

get_header($url);

stream_context_get_headers($url);

get_headers($url, 1);

get_headers($url, ASSOC_HEADERS);

Questions # 12:

Some databases support the LIMIT clause. It is a method to ensure that ...

Options:

only certain rows are deleted in DELETE queries.

only a defined subset of rows are read in SELECT queries.

only certain users can access the database.

Questions # 13:

How can you determine if magic_quotes_gpc is enabled? (Choose 2)

Options:

Use the get_magic_quotes() function.

Using the get_magic_quotes_runtime() function.

Use the get_magic_quotes_gpc() function.

Using ini_get('magic_quotes_gpc').

Using ini_get('magic_quotes').

Questions # 14:

Which of the following is NOT a valid function declaration?

Options:

function x ($x1 = array())

function x (A $x1)

function x (A $x1 = null)

function x ($x1 = $x2)

Questions # 15:

Which of the following commands will append data to an existing file?

Options:

file_put_contents("file", "data", "a");

file_put_contents("file", "a", "data");

file_put_contents("file", "data", FILE_APPEND);

file_put_contents("file", "a", NULL, FILE_APPEND);

Questions # 16:

In a shared hosting environment, session data can be read by PHP scripts written by any user. How can you prevent this?

Options:

Store session data in a different location with session.save_path

Store session data in a database.

Enable safe_mode.

Set session.name to something unique.

Questions # 17:

What does the __FILE__ constant contain?

Options:

The filename of the current script.

The full path to the current script.

The URL of the request made.

The path to the main script.

Questions # 18:

Webservices are primarily meant to support

Options:

business-to-business communication

machine-to-machine interaction

improved accessibility for websites

Questions # 19:

Given the following code, what is correct?

function f(stdClass &$x = NULL) { $x = 42;

}

$z = new stdClass;

f($z);

var_dump($z);

Options:

Error: Typehints cannot be NULL

Error: Typehints cannot be references

Result is NULL

Result is object of type stdClass

Result is 42

Questions # 20:

You are creating an application that generates invoices in a variety of formats, including PDF, ODS and HTML. Each of these formats is represented as a PHP class in your application. While some of the operations can be performed on all of the different formats (such as saving and loading), other operations may be specific to one or two of the formats (such as setting as read only). Which design pattern should you use for this application?

Options:

Adapter

Factory

MVC

Singleton

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