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Viewing questions 51-60 out of questions
Questions # 51:

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

Options:
A.

only certain rows are deleted in DELETE queries.

B.

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

C.

only certain users can access the database.

Expert Solution
Questions # 52:

Which of the following is used to find all PHP files under a certain directory?

Options:
A.

PHPIterator

B.

RecursiveTreelterator

C.

RecursiveDirectorylterator

D.

SplTempFileObject

Expert Solution
Questions # 53:

Consider the following XML code:

PHP 5 Power Programming

Learning PHP 5

Which of the following SimpleXML calls print the name of the second book?

(Let $xml=simplexml_load_file("books.xml");) (Choose 2)

Options:
A.

echo $xml->books->book[2];

B.

echo $xml->books->book[1];

C.

echo $xml->book[1];

D.

echo $xml->xpath("/books/book[@id=2]");

E.

$c = $xml->children(); echo $c[1];

Expert Solution
Questions # 54:

Which of the following parts must a XML document have in order to be well-formed?

Options:
A.

An XML declaration

B.

A root element

C.

A specified encoding

D.

A reference to either a DTD or an XML schema definition

Expert Solution
Questions # 55:

What is the ideal method of copying data between two opened files?

Options:
A.

copy($source_file, $destination_file);

B.

copy(destination_file, $source_file);

C.

stream_copy_to_stream($source_file, $destination_file);

D.

stream_copy_to_stream($destination_file, $source_file);

E.

stream_bucket_prepend($source_file, $destination_file);

Expert Solution
Questions # 56:

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

Options:
A.

get_headers($url);

B.

get_header($url);

C.

stream_context_get_headers($url);

D.

get_headers($url, 1);

E.

get_headers($url, ASSOC_HEADERS);

Expert Solution
Questions # 57:

Which of the following is correct? (Choose 2)

1) A class can extend more than one class.

2) A class can implement more than one class.

3) A class can extend more than one interface.

4) A class can implement more than one interface.

5) An interface can extend more than one interface.

6) An interface can implement more than one interface.

Options:
A.

1)

B.

2)

C.

3)

D.

4)

E.

5)

F.

6)

Expert Solution
Questions # 58:

When checking whether two English words are pronounced alike, which function should be used for the best possible result?

Options:
A.

levenshtein()

B.

metaphone()

C.

similar_text()

D.

soundex()

Expert Solution
Questions # 59:

Given the default PHP configuration, how can all of the parameters provided via GET be accessed in a form of a string?

Options:
A.

$_GET['ALL']

B.

$_SERVER['QUERY']

C.

$_SERVER['QUERY_STRING']

D.

$_ENV['QUERY']

E.

$QUERY_STRING

Expert Solution
Questions # 60:

Given the following array:

$a = array(28, 15, 77, 43);

Which function will remove the value 28 from $a?

Options:
A.

array_shift()

B.

array_pop()

C.

array_pull()

D.

array_unshift()

Expert Solution
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