200-550 Reviews Questions

Zend Certified PHP Engineer Questions and Answers

Question 29

What is cached by an opcode cache?

Compiled PHP code

Native PHP extensions

Data sent to the client

Data received from the database

Question 30

Consider the following code. What can be said about the call to file_get_contents?

$getdata = "foo=bar";

$opts = array('http' =>

array(

'method' => 'POST',

'header' => 'Content-type: application/x-www-form-urlencoded',

'content' => $getdata

)

);

$context = stream_context_create($opts);

$result = false, $context);

A GET request will be performed on http://example.com/submit.php

A POST request will be performed on http://example.com/submit.php

An error will be displayed

Question 31

When a class is defined as final it:

Can no longer be extended by other classes.

Means methods in the class are not over-loadable.

Cannot be defined as such, final is only applicable to object methods.

Cannot be instantiated.

Question 32

Which value will be assigned to the key 0 in this example?

$foo = array(true, '0' => false, false => true);