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Free 200-550 – 200-550 Practice Test Question

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Showing 7–9 of 15 questions

Question 7

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)

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    $default_opts = array('http'=>array('user_agent'=>"My Cool Browser"));
    $default = stream_context_set_default($default_opts);
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    stream_context_set_option("user_agent", "My Cool Browser");
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    ini_set('user_agent', "My Cool Browser");
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    stream_context_set_option($context, "http", "user_agent", "My Cool Browser");
Question 8

Which of the following PHP functions can be used to set the HTTP response code? (Choose 2)

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    header_add()
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    header()
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    http_set_status()
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    http_response_code()
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    http_header_set()
Question 9

Which of the following functions will allow identifying unique values inside an array?

Select an option, then click Submit answer.

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    array_unique_values
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    array_distinct
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    array_count_values
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    array_intersect
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    array_values