Which of the following functions will allow identifying unique values inside an array?

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

January 20, 2018 No Comments READ MORE +

<?xml version=1.0'?

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

January 20, 2018 No Comments READ MORE +

What is the output of the following code?

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...

January 19, 2018 No Comments READ MORE +

What is the outcome?

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...

January 18, 2018 No Comments READ MORE +

Which of the following PHP values may NOT be encoded to a JavaScript literal using PHP's ext/json capabilities?

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

January 17, 2018 No Comments READ MORE +

Your public web application needs to provide access to binary files for registered users only. How would you achieve this?

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...

January 11, 2018 No Comments READ MORE +