Zend Certified Engineer v1.0
Question 1
Under what condition may HTTP headers be set from PHP if there is content echoed prior to the header function being used?
- A. headers_sent() returns true
- B. Output buffering is enabled
- C. The client supports local buffering
- D. The webserver uses preemptive mode
Answer : B
Question 2
What is the output of the following code?
- A. 123
- B. 213
- C. 142
- D. 214
- E. Syntax error
Answer : D
Question 3
Which of the following is NOT true about PHP traits? (Choose two.)
- A. Multiple traits can be used by a single class
- B. A trait can implement an interface
- C. A trait can declare a private variable.
- D. Traits are able to be auto-loaded.
- E. Traits automatically resolve conflicts based on definition order.
Answer : BE
Question 4
What Content-Type HTTP header value is required when sending an HTTP POST request using JavaScript to ensure that PHP can access the data?
- A. application/x-www-form-urlencoded
- B. http/post
- C. text/html
- D. object/multipart-formdata
Answer : B
Question 5
Which of the following are NOT acceptable ways to create a secure password hash in PHP? (Choose two.)
- A. md5()
- B. hash_pbkdf2()
- C. password_hash()
- D. crypt()
- E. openssl_digest()
Answer : AE
Question 6
An HTML form has two submit buttons. After submitting the form, how can you determine with PHP which button was clicked?
- A. An HTML form may only have one button.
- B. You cannot determine this with PHP only. You must use JavaScript to add a value to the URL depending on which button has been clicked.
- C. Put two buttons in different forms, but make sure they have the same name.
- D. Assign name and value attributes to each button and use $_GET or $_POST to find out which button has been clicked.
Answer : D
Question 7
An HTML form contains this form element:
When this form is submitted, the following PHP code gets executed:
Which of the following actions must be taken before this code may go into production? (Choose two.)
- A. Check with is_uploaded_file() whether the uploaded file $_FILES["˜myFile"™]["˜tmp_name"™] is valid.
- B. Sanitize the file name in $_FILES["˜myFile"™]["˜name"™] because this value is not consistent among web browsers.
- C. Check the charset encoding of the HTTP request to see whether it matches the encoding of the uploaded file.
- D. Sanitize the file name in $_FILES["˜myFile"™]["˜ name"™] because this value could be forged.
- E. Use $HTTP_POST_FILES instead of $_FILES to maintain upwards compatibility.
Answer : BD
Question 8
Which options do you have in PHP to set the expiry date of a session?
- A. Set the session.duration directive in php.ini
- B. Set session cookie expiry date locally via session_set_cookie_params()
- C. Set session expiry date locally via session_cache_expire()
- D. None of the above
Answer : D
Question 9
What is the output of the following code?
- A. 1
- B. 2
- C. null
Answer : B
Question 10
Assuming UTF-8 encoding, what is the value of $count?
$data == "˜$la2"™;
$count = strlen("˜$data"™);
- A. 4
- B. 5
- C. 7
- D. 0
Answer : B
Question 11
Given a php.ini setting of -
default_charset = utf-8
what will the following code print in the browser?
- A. Three Unicode characters, or unreadable text, depending on the browser
- B. & # 9986 ; & # 10004 ; & # 10013
- C. A blank line due to charset mismatch
Answer : C
Question 12
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):
- A. The INSERT will succeed and the user will see the "Success!" message.
- B. The INSERT will fail because of a primary key violation, and the user will see the "Success!" message.
- C. The INSERT will fail because of a primary key violation, and the user will see a PDO warning message.
- D. The INSERT will fail because of a primary key violation, and the user will see the "Failure!" message.
Answer : B
Question 13
What is the benefit of using persistent database connections in PHP? (Choose two.)
- A. Reduces the connection & authentication overhead of connecting to the database
- B. Ensures that only a single connection is open to the database from PHP
- C. Allows connection settings such as character set encoding to persist
- D. Allows for resumption of transactions across multiple requests.
Answer : CD
Question 14
What is the output of the following code?
- A. MyNamespace\Test
- B. empty string
- C. parse error
- D. Test
Answer : A
Question 15
FILL BLANK -
What is the output of the following code?
Answer : 1