QUESTION: 93

Which of the following is true about stream contexts? (Choose 2)

A context can modify or enhance the behavior of a stream
A context indicates what session the stream is part of
A context is a set of parameters and stream wrapper specific options
Contexts are created with new Stream_Context();

Answer(s): A,C

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 = file_get_contents('http://example.com/submit.php', 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

Answer(s): B

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QUESTION: 95

What function can be used to retrieve an array of current options for a stream context?

stream_context_get_params
stream_context_get_default
stream_context_get_options
The 'options' element of the stream_get_meta_data return value

Answer(s): C

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QUESTION: 96

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)

$default_opts = array('http'=>array('user_agent'=>"My Cool Browser")); $default = stream_context_set_default($default_opts);
stream_context_set_option("user_agent", "My Cool Browser");
ini_set('user_agent', "My Cool Browser");
stream_context_set_option($context, "http", "user_agent", "My Cool Browser");

Answer(s): A,C

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