200-550無料問題集「Zend-Technologies Zend Certified PHP Engineer」

質問 1

What does the __FILE__ constant contain?

（A）The path to the main script.

（B）The URL of the request made.

（C）The filename of the current script.

（D）The full path to the current script.

正解：D 解答を投票する

質問 2

How can the id attribute of the 2nd baz element from the XML string below be retrieved from the SimpleXML object found inside $xml? <?xml version='1.0'?> <foo> <bar> <baz id="1">One</baz> <baz id="2">Two</baz> </bar> </foo>

（A）$xml->foo->bar->baz[1]['id']

（B）$xml->bar->baz[1]['id']

（C）$xml->getElementById('2');

（D）$xml->foo->bar->baz[2]['id']

（E）$xml->foo->baz[2]['id']

正解：B 解答を投票する

質問 3

Which php.ini setting is usually required to use an opcode cache?

（A）extension

（B）optimizer

（C）dl

（D）zend_extension

正解：D 解答を投票する

質問 4

Given the following DateTime objects, what can you use to compare the two dates and indicate that $date2 is the later of the two dates?
$date1 = new DateTime('2014-02-03');
$date2 = new DateTime('2014-03-02');

（A）$date1->diff($date2) > 0

（B）$date1->diff($date2) < 0

（C）$date2 < $date1

（D）$date2 > $date1

正解：D 解答を投票する

質問 5

Which of the following items in the $_SERVER superglobal are important for authenticating the client when using HTTP Basic authentication? (Choose 2)

（A）PHP_AUTH_TYPE

（B）PHP_AUTH_PW

（C）PHP_AUTH_DIGEST

（D）PHP_AUTH_USER

（E）PHP_AUTH_PASSWORD

正解：B、D 解答を投票する

質問 6

From your PHP application, how can you send the same header twice, but with different values?

（A）You may only send a particular type of header once

（B）Use the header_add() function

（C）PHP does that automatically

（D）Set the second argument of the header() function to false

正解：D 解答を投票する

質問 7

You'd like to use the class MyDBConnection that's defined in the MyGreatFramework\MyGreatDatabaseAbstractionLayer namespace, but you want to minimize *as much as possible* the length of the class name you have to type. What would you do?

（A）Alias MyGreatFramework\MyGreatDatabaseAbstractionLayer to a shorter name

（B）Import the MyGreatFramework\MyGreatDatabaseAbstractionLayer namespace

（C）Alias MyGreatFramework\MyGreatDatabaseAbstractionLayer\MyDBConnection to a shorter name

（D）Import the MyGreatFramework namespace

正解：C 解答を投票する

質問 8

What super-global should be used to access information about uploaded files via a POST request?

（A）$_POST

（B）$_GET

（C）$_FILES

（D）$_ENV

（E）$_SERVER

正解：C 解答を投票する

質問 9

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

（A）stream_context_get_options

（B）stream_context_get_params

（C）The 'options' element of the stream_get_meta_data return value

（D）stream_context_get_default

正解：A 解答を投票する

質問 10

Given the following code, what will the output be:
trait MyTrait { private $abc = 1; public function increment() { $this->abc++; } public function getValue() { return $this->abc; }
}
class MyClass { use MyTrait; public function incrementBy2() { $this->increment(); $this->abc++; }
}
$c = new MyClass; $c->incrementBy2(); var_dump($c->getValue());

（A）Notice: Undefined property MyClass::$abc

（B）int(2)

（C）NULL

（D）int(3)

（E）Fatal error: Access to private variable MyTrait::$abc from context MyClass

正解：D 解答を投票する

質問 11

The following form is loaded in a browser and submitted, with the checkbox activated:
<form method="post">
<input type="checkbox" name="accept" />
</form>
In the server-side PHP code to deal with the form data, what is the value of $_POST['accept'] ?

（A）on

（B）true

（C）accept

（D）ok

正解：A 解答を投票する

質問 12

Which PHP function retrieves a list of HTTP headers that have been sent as part of the HTTP response or are ready to be sent?

（A）headers()

（B）getresponseheaders()

（C）headers_sent()

（D）header()

（E）headers_list()

正解：E 解答を投票する

質問 13

You need to escape special characters to use user input inside a regular expression. Which functions would you use? (Choose 2)

（A）regex_quote()

（B）preg_quote()

（C）quote_meta()

（D）addslashes()

（E）htmlentities()

正解：B、C 解答を投票する

質問 14

How should you track errors on your production website?

（A）Having a site-wide exception handler

（B）Enabling log_errors

（C）Setting error_reporting to E_ALL & ~E_NOTICE

（D）Enabling display_errors

正解：B 解答を投票する

質問 15

What function can reverse the order of values in an array so that keys are preserved?

（A）array_flip()

（B）array_reverse()

（C）array_multisort()

（D）rsort()

（E）krsort()

正解：B 解答を投票する

質問 16

What is the output of the following code?
$text = 'This is text';
$text1 = <<<'TEXT'
$text
TEXT;
$text2 = <<<TEXT
$text1
TEXT;
echo "$text2";

（A）$text1

（B）$text

（C）This is text

（D）$text2

正解：B 解答を投票する

200-550 無料問題集「Zend-Technologies Zend Certified PHP Engineer」

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