Zend-Technologies 200-710 問題集

質問 1：
What is the difference between the spaceship operator(<=>) and the strcmp() function?
A. The spaceship operator returns -1, 0 or 1; strcmp() may return any integer
B. strcmp() does a case-intensive comparison, the spaceship operator does not
C. There is no difference in functionality
D. strcmp() returns a Boolean value, the spaceship operator a number
正解：A

質問 2：
What can prevent PHP from being able to open a file on the hard drive (Choose 2)?
A. File is outside of open_basedir
B. PHP is running in CGI mode.
C. File is inside the /tmp directory.
D. File system permissions
正解：A,D

質問 3：
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?
$ datel = new DateTime('2014-02-03');
$ date2 = new DateTime('2014-03-02');
A. $date2 < $datel
B. $datel->diff($date2) > 0
C. $date2 > $datel
D. $datel->diff($date2) < 0
正解：C

質問 4：
What is the name of the method that can be used to provide read access to virtual properties in a class?
A. _get()
B. _fetch()
C. _call()
D. _set()
E. _wakeup()
正解：A

質問 5：
Which of the following techniques ensures that a value submitted in a form can only be yes or no?
A. Enable the safe_mode configuration directive.
B. Use a select list that only lets the user choose between yes and no .
C. Use a hidden input field that has a value of yes or no.
D. None of the above.
正解：D

質問 6：
Which PHP function is used to validate whether the contents of $_FILES['name']['tmp_name'] have really
been uploaded via HTIP, and also save the contents into another folder?
正解：
move_uploaded_file(), move_uploaded_file

質問 7：
Your supervisor wants you to disallow PHP scripts to open remote HTTP and FTP resources using PHP's
file functions. Which php.ini setting should you change accordingly?
正解：
allow_url_fopen=off, allow_url_fopen=Off,

質問 8：
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->bar->foo
B. $xml->document->bar->foo
C. $xml['document']['bar']['foo']
D. $xml->bar['foo']
E. $xml->getElementByName('foo');
正解：A