200-550 試験問題を無料オンラインアクセス

SimpleXML provides the ability to iterate over items in an XML document, as well as access items within it as if they were object properties. When creating your own classes to access data, implementing which of the following would NOT achieve this goal?

• A.ArrayAccess
• B.__get/__set
• C.__toString
• D.Iterator

Which constant must be passed as the second argument to htmlentities() to convert single quotes (') to HTML entities?

• A.ENT_NOQUOTES
• B.ENT_COMPAT
• C.TRUE
• D.ENT_QUOTES
• E.FALSE

Assuming UTF-8 encoding, what is the value of $count?
$data = '$1A2'; $count = strlen($data);

• A.7
• B.4
• C.0
• D.5

What is the output of the following code? var_dump(boolval(-1));

• A.bool(false)
• B.bool(true)

Which of these statements about PDO is NOT true?

• A.PDO has built-in support for Large Objects (LOBs).
• B.PDO does not emulate missing database features.
• C.Placeholders within PDO prepared statements need to be named.
• D.When something goes wrong, PDO can throw an instance of its own exception class.