200-710 exam

Which of the following functions will allow identifying unique values inside an array?A . array_unique_valuesB . array_distinctC . array_count_valuesD . array_intersectE . array_valuesView AnswerAnswer: C

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="l">One</baz> <baz id="2">Two</baz> </bar> </foo>A . $xml->getElementByld('2');B . $xml->foo->bar->baz[2]['id']C . $xml->foo->baz[2] ['id']D . $xml->foo->bar->baz[l]['id']E . $xml->bar->baz[l]['id']View AnswerAnswer: E

What is the output of the following code? try { } class MyException extends Exception {}; try { throw new MyException; } catch (Exception $e) { echo "1:"; throw $e; } catch (MyException $e) { echo "2:"; throw $e; } catch (Exception $e) { echo get_class($e); }A . A parser...

Consider the following table data and PHP code. What is the outcome? Table data (table name "users" with primary key "id"): PHP code (assume the PDO connection is correctly established): $dsn = 'mysql:host=localhost;dbname=exam'; $user= 'username'; $pass='********'; $pdo = new PDO{$dsn, $user, $pass); $cmd ="SELECT* FROM users WHERE id= :id"; $stmt...

Which of the following PHP values may NOT be encoded to a JavaScript literal using PHP's ext/json capabilities?A . 'Hello, world!'B . function(){ alert("Hello, world!");}C . array{'Hello, world!')D . array('message' => 'Hello, world!')View AnswerAnswer: B

Your public web application needs to provide access to binary files for registered users only. How would you achieve this?A . Host the files on a public external file sharing service.B . Redirect to the file which resides in the server's document rootC . Use PHP to send the file...