Zend-Technologies Zend PHP 5.3 Certification 認定 200-530 試験問題:

1. Which of the following describes a PHP extension?

A) A collection of PHP files that expose a unified API
B) A collection of functions and classes that allow PHP to interact with external data sources, protocols or APIs
C) A plugin that changes the way PHP behaves
D) A multitude of classes that extend from a single parent class

2. An HTML form contains this form element
<input type="file" name="myFile" />
When this form is submitted, the following PHP code gets executed:
move_uploaded_file(
$_FILES['myFile']['tmp_name'],
'uploads/' . $_FILES['myFile']['name']);
Which of the following actions must be taken before this code may go into production?
(Choose 2)

A) Sanitize the file name in $_FILES['myFile']['name'] because this value could be forged
B) Use $HTTP_POST_FILES instead of $_FILES to maintain upwards compatibility
C) Check the charset encoding of the HTTP request to see whether it matches the encoding of the uploaded file
D) Check with is_uploaded_file() whether the uploaded file $_FILES['myFile']['tmp_name'] is valid
E) Sanitize the file name in $_FILES['myFile']['name'] because this value is not consistent among web browsers

3. The XML document below has been parsed into $xml via SimpleXML. How can the value of <foo> tag
accessed?
<?xml version='1.0'?>
<document>
<bar> <foo>Value</foo>
</bar>
</document>

A) $xml->document->bar->foo
B) $xml->getElementByName('foo');
C) $xml->bar['foo']
D) $xml['document']['bar']['foo']
E) $xml->bar->foo

4. What is the length of a string returned by: md5(rand(), TRUE);

A) 32
B) 64
C) 16
D) Depends on the value returned by rand() function
E) 24

5. What is the output of the following code?
printf('%4$d %2$s sit on 2 trees and eat %3$3.2f %1$s', "bananas", "monkeys", 9, 99);

A) 9 monkeys sit on 2 trees and eat 99 bananas
B) 99 monkeys sit on 2 trees and eat 9.00 bananas
C) Monkeys Bananas sit on 2 trees and eat 9 99
D) %4$d %2$s sit on 2 trees and eat %3$3.2f %1$s

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