What is the result of the following bitwise operation in PHP?

1 ^ 2

When retrieving data from URLs, what are valid ways to make sure all file_get_contents calls send a certain user agent string? (Choose 2)

After performing the following operations:

$a = array( ' a ' , ' b ' , ' c ' );

$a = array_keys(array_flip($a));

What will be the value of $a?

Which of the following is NOT possible using reflection?

What is the purpose of the open_basedir directive?

You are creating an application that repeatedly connects to a database to retrieve order data for invoices. All data comes from the same database. In order to preserve resources, you have to ensure that only one database connection should be used at any time. The code also has to open as few new database connections as possible. Which design pattern should you use for this scenario?

You want to extract the pieces of a date string, which looks like this:

" 2005-11-02 " . Which of the following pieces of code will properly assign $year,

$month and $day with their respective values?

An object can be counted with count() and sizeof() if it…..

What is the output of the following script?

1 < ?php

2 class a

3 {

4 public $val = 10;

5 }

6

7 function renderVal (a $a)

8 {

9 return $a- > $val;

10 }

11

12 renderVal (new a);

13 ? >

Your application needs to handle file uploads performed with HTTP PUT. How can you retrieve this data?